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1.
Heterostructures based on
Pd–Au nanoparticles and cobalt phthalocyanine for hydrogen chemiresistive sensors / N. S. Nikolaeva, D. D. Klyamer, S. M. Zharkov [et al.]> // Int. J. Hydrogen Energy. - 2021. -
Vol. 46
. Is. 37. - P. 19682-19692,
DOI
10.1016/j.ijhydene.2021.03.082. - Cited References: 74. - The work on the synthesis of Au MOCVD precursor and deposition of gold nanoparticles on various surfaces were funded by Russian Science Foundation (RSF) (research project № 20-15-00222 ). The TEM and electron diffraction investigations were conducted in the SFU Joint Scientific Center supported by the State assignment ( #FSRZ-2020-0011 ) of the Ministry of Science and Higher Education of the Russian Federation . - ISSN 0360-3199
Перевод заглавия:
Гетероструктуры, основанные на наночастицах Pd-Au и фтолоцианине кобальта, для хемирезисторных сенсоров водорода
Кл.слова (ненормированные):
Palladium
nanoparticles
--
Gold nanoparticles
--
Bimetallic nanoparticles
--
Metal phthalocyanine
--
Chemiresistive sensors
--
Hydrogen
Аннотация:
In this work, the effect of Pd, Au and PdAu nanoparticles on sensor response of cobalt phthalocyanine films to hydrogen was studied. For this purpose, novel heterostructures based on cobalt phthalocyanine and PdAu nanoalloys were obtained by a combination of vacuum thermal evaporation and pulsed metalorganic chemical vapor deposition (MOCVD) and investigated as active layers for hydrogen detection. The structural features and phase composition of the prepared heterostructures were studied by the techniques of X-ray diffraction, transmission electron microscopy and electron diffraction. The concentration of metal nanoparticles in the samples was determined by inductively coupled plasma atomic emission spectroscopy (ICP-AES). The chemiresistive sensor response of CoPc/M (M = Pd, Au, Pd0.2Au0.8 and Pd0.8Au0.2) to hydrogen (100–400 ppm, room temperature) was compared with that of bare CoPc films. It was shown that the sensor response of the investigated heterostructures to hydrogen (300 ppm) increased in the order CoPc (0.2%) < CoPc/Pd0.2Au0.8 (1.9%) ~ CoPc/Au (2.2%) < CoPc/Pd (2.7%) < CoPc/Pd0.8Au0.2 (5.6%).
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Держатели документа:
Nikolaev Institutes of Inorganic Chemistry SB RAS, Lavrentiev Pr. 3, Novosibirsk, 630090, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Nikolaeva, N. S.; Klyamer, D. D.; Zharkov, S. M.; Жарков, Сергей Михайлович; Tsygankova, A. R.; Sukhikh, A. S.; Morozova, N. B.; Basova, T. V.
}
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2.
Magnetic and magneto-optical
properties of Co-P films prepared by chemical deposition / A. V. Chzhan [et al.]> // J. Magn. Magn. Mater. - 2011. -
Vol. 323
,
Is. 20
. - P. 2493-2496,
DOI
10.1016/j.jmmm.2011.05.024. - Cited Reference Count: 22. - Гранты: This study was supported by the Russian Foundation for Basic Research, Project no. 08-02-00397a and the departmental target program Development of Scientific Potential of Higher Education, 2009-2010, Project no. 2.1.1./4399. - Финансирующая организация: Russian Foundation for Basic Research [08-02-00397a]; departmental target program Development of Scientific Potential of Higher Education [2.1.1./4399] . - OCT. - ISSN 0304-8853
Рубрики:
SPECTROSCOPY
THICKNESS
COBALT
Кл.слова (ненормированные):
co-p films
--
chemically deposition
--
the polar kerr and faraday effects
--
hysteresis loops
--
chemically deposition
--
cop films
--
hysteresis loops
--
the polar kerr and faraday effects
--
chemical deposition
--
chemically deposition
--
co films
--
cop films
--
film magnetization
--
film surface morphology
--
incident light
--
magnetic and magneto-optical properties
--
magnetic layers
--
polar kerr effect
--
polar-kerr
--
polycrystalline
--
underlayers
--
chemical analysis
--
faraday effect
--
hysteresis loops
--
kerr magnetooptical effect
--
light reflection
--
magnetic materials
--
optical kerr effect
--
palladium
--
cobalt
Аннотация:
Features in the formation of chemically deposited polycrystalline Co-P films with thicknesses of a few nanometers are established by analyzing film surface morphology and variation in the film magnetization. It is shown that in the thickness range below 30 nm the polar Kerr effect value OK changes nonmonotonically and depends on a wavelength of the incident light. For the films thicker than 30 nm, this value depends weakly on both the thickness and the wavelength. These features in the OK behavior are attributed to the Faraday effect, which is revealed at small thicknesses upon light reflection from the lower surface of a magnetic layer. It is found that the Faraday effect in the Co-P films exceeds that in the Co films by a factor of more than two. This effect is assumed to be caused by the presence of a Pd underlayer in the samples under study. (C) 2011 Elsevier BY. All rights reserved.
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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Доп.точки доступа:
Chzhan, A. V.; Patrin, G. S.; Kiparisov, S. Y.; Seredkin, V. A.; Середкин, Виталий Александрович; Burkova, L. V.; Буркова, Людмила Викторовна; Velikanov, D. A.; Великанов, Дмитрий Анатольевич
}
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3.
Decoration of carbon
nanomaterial powders with dispersed platinum metal particles / V. G. Isakova [et al.]> // Russ. J. Appl. Chem. - 2018. -
Vol. 91
,
Is. 7
. - P. 1209-1216,
DOI
10.1134/S1070427218070212. - Cited References: 22. - The study was performed with the support and equipment of the Center for Shared Use of the Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences. . - ISSN 1070-4272. - ISSN 1608-3296
РУБ
Chemistry, Applied
Рубрики:
NANOPARTICLES
PALLADIUM
FULLERENE
ELECTRODE
NANOTUBES
OXIDATION
Кл.слова (ненормированные):
carbon nanomaterials
--
platinum metal nanoparticles
--
in situ one-step method
Аннотация:
Carbon nanomaterials (fullerite, detonation nanodiamonds, Taunit, fullerenol, fullerene-containing black) were decorated with platinum group metal nanoparticles in situ in one step by low-temperature combustion (~250–270°С) of a powdered mixture of platinum metal acetylacetonate [Pt-M(асас)n, Pt-М = Pt(II), Pd(II), Rh(III), Ir(III), acac = CH3COCHCOCH3, n is the oxidation state of Pt-М] with carbon nanomaterials in air. As shown by thermal analysis, the process is based on thermal oxidative degradation of the organometallic complex, catalyzed by carbon nanomaterials, with oxidation (combustion) of the organic moiety and release of the metal into the condensed phase. The thermal process in an open system occurs in the glowing mode (210–250°С); the size of the nanoparticles formed is 7–30 nm. Under the conditions restricting the air access to the reaction mixture and free outflow of gaseous products formed by oxidation of acac ligands, the nanoparticle size decreases to 3–10 nm. The particle size depends on the metal amount in the initial powder mixture and on the support morphology.
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Декорирование порошков углеродных наноматериалов дисперсными частицами платиновых металлов [Текст] : статья / В. Г. Исакова [и др.] // Журн. прикл. химии. - 2018. - Т. 91 № 7. - С. 1040-1048
Держатели документа:
Russian Acad Sci, Kirenksy Inst Phys, Separate Dept, Fed Res Ctr,Krasnoyarsk Sci Ctr,Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Fed Res Ctr, Krasnoyarsk Sci Ctr, Siberian Branch, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Isakova, V. G.; Исакова, Виктория Гавриловна; Osipova, I. V.; Осипова, Ирина Владимировна; Dudnik, A. I.; Дудник, Александр Иванович; Cherepakhin, A. V.; Черепахин, Александр Владимирович; Zharikova, N. V.; Nemtsev, I. V.; Volochaev, M. N.; Center for Shared Use of the Krasnoyarsk Scientific Center, Siberian Branch, Russian Academy of Sciences
}
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4.
Ion exchange recovery
of platinum(IV) from hydrochloric acid solutions in the presence of silver(I) / O. N. Kononova, E. V. Duba, A. S. Efimova [et al.]> // Russ. J. Phys. Chem. A. - 2020. -
Vol. 94
,
Is. 4
. - P. 828-834,
DOI
10.1134/S003602442004007X. - Cited References: 35 . - ISSN 0036-0244. - ISSN 1531-863X
РУБ
Chemistry, Physical
Рубрики:
GROUP METALS
SORPTION
PALLADIUM
RESINS
Кл.слова (ненормированные):
platinum
--
silver
--
hydrochloric solutions
--
anion exchangers
--
sorption
Аннотация:
The ion exchange sorption of the platinum(IV) chloride complexes in the presence of silver(I) chloro complexes from 2 and 4 M aqueous solutions of hydrochloric acid is studied on Purolite anion exchangers with different functional groups. The high selectivity of the investigated sorbents with respect to platinum during its recovery from individual hydrochloric acid solutions and in the presence of silver chloride complexes is determined. Since the latter are in this case virtually not sorbed in the presence of platinum(IV), they can be separated at the stage of sorption. The excellent kinetic properties of the investigated anion exchangers are revealed, allowing platinum to be eluted after its separation from silver chloro complexes in a dynamic mode.
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Ионообменное извлечение платины(IV) в присутствии серебра(I) из солянокислых растворов [Текст] / О. Н. Кононова, Е. В. Дуба, А. С. Ефимова [и др.] // Журн. физ. химии. - 2020. - Т. 94 № 4. - С. 602-609
Держатели документа:
Siberian Fed Univ, Inst Nonferrous Met & Mat Sci, Krasnoyarsk 660041, Russia.
Russian Acad Sci, Kirensky Inst Phys, Krasnoyarsk Sci Ctr, Siberian Branch, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Kononova, O. N.; Duba, E. V.; Efimova, A. S.; Ivanov, A. I.; Krylov, A. S.; Крылов, Александр Сергеевич
}
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5.
Unexpected giant negative
area compressibility in
palladium
diselenide / X. Jiang, S. Zhang, D. Jiang [et al.]> // Natl. Sci. Rev. - 2023. -
Vol. 10
,
Is. 9
. - Ст. nwad016,
DOI
10.1093/nsr/nwad016. - Cited References: 49. - This work was supported by the National Scientific Foundations of China (Grants 22133004, 11974360, T2222017 and 51890864), and the CAS Project for Young Scientists in Basic Research (YSBR-024) . - ISSN 2095-5138. - ISSN 2053-714X
Перевод заглавия:
Неожиданная гигантская отрицательная сжимаемость диселенида палладия
Кл.слова (ненормированные):
Negative area compressibility
--
Lifshitz mechanism
--
Charge transfer
Аннотация:
Negative area compressibility (NAC) is a counterintutive “squeeze-expand” behavior in solids that is very rare but attractive due to possible pressure-response applications and coupling with rich physicochemical properties. Herein, NAC behavior is reported in
palladium
diselenide with a large magnitude and wide pressure range. We discover that, apart from the rigid flattening of layers that has been generally recognized, the unexpected giant NAC effect in PdSe2 largely comes from anomalous elongation of intralayer chemical bonds. Both structural variations are driven by intralayer-to-interlayer charge transfer with enhanced interlayer interactions under pressure. Our work updates the mechanical understanding of this anomaly and establishes a new guideline to explore novel compression-induced properties.
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Держатели документа:
New Functional Crystals Group, Key Laboratory of Functional Crystals and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing100049, P.R. China.
Center for High Pressure Science & Technology Advanced Research, Beijing 100094, China.
School of Materials Science and Engineering, Peking University, Beijing 100871, China.
Laboratory of Crystal Physics, Kirensky Institute of Physics, SB RAS, Krasnoyarsk 660036, Russia.
University of Chinese Academy of Sciences, Beijing 100049, China.
Department of Physics, Far Eastern State Transport University, Khabarovsk 680021, Russia.
Siberian Federal University, Krasnoyarsk 660041, Russia.
Доп.точки доступа:
Jiang, Xingxing; Zhang, Shengzi; Jiang, Dequan; Wang, Yonggang; Molokeev, M. S.; Молокеев, Максим Сергеевич; Wang, Naizheng; Liu, Youquan; Zhang, Xingyu; Lin, Zheshuai
}
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6.
Change in the
Particle SIZE of highly dispersed
Palladium
black in Hydrochloric Acid Solutions at elevated Temperatures [Text] / O. V. Belousov, L. I. Dorokhova, L. A. Solov'ev, S. M. Zharkov> // Russian Journal of Physical Chemistry A. - 2007. -
Vol. 81
,
№ 8
. - P1303-1306
DOI
10.1134/S0036024407080237
РИНЦ
,
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Изменение размеров частиц высокодисперсной палладиевой черни в солянокислых растворах при повышенных температурах [Текст] / О. В. Белоусов, Л. И. Дорохова, Л. А. Соловьев, С. М. Жарков // Журнал физической химии. - 2007. - Т. 81 № 8. - С. 1479–1482
Держатели документа:
Институт физики им. Л.В. Киренского СО РАН, Красноярск.
Институт химии и химической технологии, Красноярск
Доп.точки доступа:
Belousov, O. V.; Dorokhova, L. I.; Solov'ev, L. A.; Zharkov, S. M.; Жарков, Сергей Михайлович
}
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7.
The induced anisotropy
and its influence on absorption of the NMR and domain structure of Co-P amorphous films / A. V. Chzhan [et al.]> //
Solid State Phenomena. - 2011. -
Vol. 168-169
. - P. 145-148,
DOI
10.4028/www.scientific.net/SSP.168-169.145 . - ISSN 1012-0394
Кл.слова (ненормированные):
amorphous magnetic films
--
coercive force
--
domain structure
--
induced anisotropy
--
nuclear magnetic resonance
--
amorphous films
--
cobalt
--
coercive force
--
crystals
--
magnetic anisotropy
--
magnetic devices
--
magnetic domains
--
magnetic films
--
metallic films
--
palladium
--
resonance
--
amorphous films
--
anisotropy
--
cobalt
--
coercive force
--
magnetic anisotropy
--
magnetism
--
palladium
--
amorphous magnetic films
--
domain structure
--
experimental research
--
induced anisotropy
--
intermediate layers
--
magnetization process
--
co-p films
--
nuclear magnetic resonance(nmr)
--
nuclear magnetic resonance
--
nuclear magnetic resonance
Аннотация:
The results of experimental research into magnetic properties of amorphous Co-P films obtained by chemical sedimentation on various intermediate layers have been represented. The nuclear magnetic resonance (NMR) spectra of films sedimentated on intermediate layers of Pd crystal and amorphous NiP compound have been measured .The features of formation of domain structures and magnetization processes in the presence and absence of the induced anisotropy have been described.
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Держатели документа:
Kirenskii Institute of Physics, Siberian Branch of RAS, 660036, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Chzhan, A.V.; Patrin, G. S.; Патрин, Геннадий Семёнович; Kiparisov, S. Ya.; Кипарисов, Семен Яковлевич; Seredkin, V. A.; Середкин, Виталий Александрович; Maltsev, V. K.; Мальцев, Вадим Константинович; Krayukhin, I. N.; Краюхин, Иван Николаевич; Euro-Asian Symposium "Trends in MAGnetism"(4 ; 2010 ; Jun.-Jul. ; Ekaterinburg); "Trends in MAGnetism", Euro-Asian Symposium(4 ; 2010 ; Jun.-Jul. ; Ekaterinburg)
}
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8.
Chemistry of vinylidene
complexes [Text] / A. B. Antonova [et al.]> // Russ. Chem. Bull. - 2009. -
Vol. 58
,
Is. 5
. - P955-963,
DOI
10.1007/s11172-009-0122-3. - Cited Reference Count: 35. - Гранты: This work was financially supported by the Krasnoyarsk Regional Science Foundation (Grants Nos. 10TS145 and 17G002), the Council on Grants at the President of the Russian Federation (Program for State Support of Leading Scientific Schools, Grant NSh-4137.2006.2), and the Presidium of the Russian Academy of Sciences (Program for Basic Research, Project No. 18.18). - Финансирующая организация: Krasnoyarsk Regional Science Foundation [10TS145, 17G002]; Council on Grants at the President of the Russian Federation [NSh-4137.2006.2]; Presidium of the Russian Academy of Sciences [18.18] . - MAY. - ISSN 1066-5285
Рубрики:
RAY CRYSTAL-STRUCTURE
MOLECULAR-STRUCTURE
PHENYLVINYLIDENE LIGANDS
BRIDGED COMPLEXES
TRANSITION-METALS
CARBONYL LIGAND
BINUCLEAR
DERIVATIVES
DINUCLEAR
RHENIUM
Кл.слова (ненормированные):
vinylidene complexes
--
heterometallic complexes
--
manganese
--
rhenium
--
palladium
--
platinum
--
IR and NMR spectroscopy
--
X-ray diffraction study
--
Heterometallic complexes
--
IR and NMR spectroscopy
--
Manganese
--
Palladium
--
Platinum
--
Rhenium
--
Vinylidene complexes
--
X-ray diffraction study
Аннотация:
The reactions of Cp(CO)(2)Re=C=CHPh (2) with M(PPh(3))(4) (M = Pd, Pt) gave the mu-vinylidene complexes Cp(CO)(2)RePd(mu-C=CHPh)(PPh(3))(2) (3) and Cp(CO)(2)RePt(mu-C=CHPh)(PPh(3))(2) (1), respectively. The substitution of Ph(2)PCH(2)PPh(2) (dppm) for the PPh(3) ligands in 1 resulted in the formation of Cp(CO)RePt(mu-C(1)=C(2)HPh)(mu-CO)(dppm) (4). The structure of complex 4 has been determined by single-crystal X-ray diffraction analysis. The structural and spectroscopic characteristics of complexes 1, 3, and 4 were compared with the corresponding parameters of the manganese-containing analogs Cp(CO)(2)MnPd(mu-C=CHPh)(PPh(3))(2) (5), Cp(CO)(2)MnPt(mu-C=CHPh)(PPh(3))(2) (6) and Cp(CO)(2)MnPt(mu-C=CHPh)(dppm) (7).
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Держатели документа:
Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk 660049, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Russian Acad Sci, AN Nesmeyanov Organoelement Cpds Inst, Moscow 119991, Russia
Доп.точки доступа:
Antonova, A.B.; Chudin, O.S.; Pavlenko, N.I.; Sokolenko, W.A.; Rubaylo, A.I.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Verpekin, V.V.; Semeikin, O.V.
}
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9.
Ion-exchange sorption of
palladium
(II) from hydrochloric acid solutions in the presence of silver(I) / O. N. Kononova [et al.]> // Russ. J. Phys. Chem. A. - 2018. -
Vol. 92
,
Is. 10
. - P. 2053-2059,
DOI
10.1134/S0036024418100138. - Cited References: 36 . - ISSN 0036-0244. - ISSN 1531-863X
РУБ
Chemistry, Physical
Рубрики:
PLATINUM-GROUP METALS
RECOVERY
COMPLEXES
CHLORIDE
PD(II)
Кл.слова (ненормированные):
palladium
--
silver
--
hydrochloric acid solutions
--
sorption
--
sorptive extraction
Аннотация:
The sorptive extraction of
palladium
(II) chloride complexes in the presence of silver(I) chloride complexes from 2 and 4 M aqueous solutions of HCl with a series of Purolite anionites with different functional groups is studied. An anion exchange mechanism of sorption is identified from Raman spectroscopy data. Kinetic properties that are inherent to the investigated ionites and allow the elution of
palladium
(II) and silver(I) after their extraction in a dynamic mode are revealed.
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Ионообменная сорбция палладия (II) в присутствии серебра (I) из солянокислых растворов [Текст] / О. Н. Кононова [и др.] // Журн. физ. химии. - 2018. - Т. 92 № 10. - С. 1641-1647
Держатели документа:
Siberian Fed Univ, Inst Nonferrous Met & Mat Sci, Krasnoyarsk 660025, Russia.
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia.
Доп.точки доступа:
Kononova, O. N.; Duba, E. V.; Medovikov, D. V.; Krylov, A. S.; Крылов, Александр Сергеевич
}
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10.
Chemistry of vinylidene
complexes. XXIII. Binuclear rhenium-
palladium
vinylidene bridged complexes, their reactions with diiron nonacarbonyl / V. V. Verpekin [et al.]> // J. Organomet. Chem. - 2014. -
Vol. 770
. - P. 42-50,
DOI
10.1016/j.jorganchem.2014.07.024. - Cited References: 56. - This article is dedicated to the memory of Alla B. Antonova. . - ISSN 0022-328X. - ISSN 1872-8561
РУБ
Chemistry, Inorganic & Nuclear + Chemistry, Organic
Рубрики:
TRANSITION-METAL-COMPLEXES
CATIONIC CARBYNE COMPLEXES
RAY CRYSTAL-STRUCTURE
MOLECULAR-STRUCTURE
HETEROBIMETALLIC COMPLEXES
LIGANDS
MANGANESE
CLUSTERS
DINUCLEAR
PD2CL2(MU-PH2PCH2PPH2)2
Кл.слова (ненормированные):
Rhenium
--
Palladium
--
Iron
--
Vinylidene complexes
--
Heterometallic complexes
Аннотация:
The reaction of [Cp(CO)2ReCCHPh] (1) with [Pd(PPh3)4] followed by the treatment of resulting [Cp(CO)2RePd(μ-CCHPh)(PPh3)2] (2) with diphosphines (dppe, dppp) gave new complexes [Cp(CO)2RePd(μ-CCHPh)(dppe)] (3) and [Cp(CO)2RePd(μ-CCHPh)(dppp)] (4). Treatment of the synthesized complexes with [Fe2(CO)9] led to mixtures of [Cp(CO)2ReFe(μ-CCHPh)(CO)4] (5), [(dppe)PdFe2(CO)8] (6), [CpReFe2(μ3-CCHPh)(CO)8] (7), [CpReFePd(μ3-CCHPh)(CO)5(dppe)] (8) and of 5, [(dppp)PdFe2(CO)8] (9), [CpReFePd(μ3-CCHPh)(CO)5(dppp)] (10), respectively. The main products of both reactions were trinuclear μ3-vinylidene clusters 8 and 10. Reactions of the trinuclear μ3-vinylidene ReFePd clusters 8 and 10 with Fe2(CO)9 were also studied. New complexes were characterized by IR, 1H, 13C, 31P NMR spectroscopy and cyclic voltammetry. The structure of [CpReFe2(μ3-CCHPh)(CO)8] was determined by single-crystal X-ray diffraction.
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Держатели документа:
Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk 660036, Russia
Russian Acad Sci, Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
RAS, Siberian Branch, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Доп.точки доступа:
Verpekin, V. V.; Верпекин В. В.; Kondrasenko, A. A.; Кондрасенко, Александр Александрович; Chudin, O. S.; Чудин О. С.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Burmakina, G. V.; Бурмакина Г. В.; Pavlenko, N. I.; Павленко, Нина Ивановна; Rubaylo, A. I.; Рубайло, Анатолий Иосифович
}
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11.
Molecular structure of
a new tetranuclear μ2:μ3-bis-vinylidene cluster, Cp2(CO)4RePd(μ-CCHPh)RePd(μ3-CCHPh)(η2-dppe) / V. V. Verpekin [et al.]> // Polyhedron. - 2015. -
Vol. 90
. - P. 104-107,
DOI
10.1016/j.poly.2015.01.028. - Cited References:33. - This work was financially supported by the Presidium of the Russian Academy of Sciences (Program for Basic Research, Project No. 8.15). Authors are grateful to Prof. N.A. Ustynyuk for useful discussions. . - ISSN 0277-5387
Перевод заглавия:
Молекулярная структура нового тетраядерного m2: m3-bis-винилиденового кластера, Cp2(CO)4RePd(m-C=CHPh) RePd(m3-C=CHPh)(h2-dppe)
РУБ
Chemistry, Inorganic & Nuclear + Crystallography
Рубрики:
VINYLIDENE-BRIDGED COMPLEXES
TRANSITION-METAL-COMPLEXES
Кл.слова (ненормированные):
Rhenium
--
Palladium
--
Vinylidene complexes
--
Heterometallic complexes
--
X-ray diffraction
Аннотация:
The novel tetranuclear di-vinylidene complex Cp2(CO)4RePd(μ2-CCHPh)RePd(μ3-CCHPh)(dppe) was isolated and characterized by X-ray diffraction. This cluster consists of two RePd fragments linked to each other through the bonding of the
palladium
atom in the [Cp(CO)2RePd(μ-CCHPh)] fragment to the carbonyl and vinylidene ligands in the Cp(CO)2RePd(μ-CCHPh)(dppe) fragment.
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Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Chem & Chem Technol, Krasnoyarsk 660036, Russia
Russian Acad Sci, Siberian Branch, Inst Phys, Krasnoyarsk 660036, Russia
RAS, Siberian Branch, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Russian Acad Sci, AN Nesmeyanov Inst Organoelement Cpds, Moscow 119991, Russia
Доп.точки доступа:
Verpekin, V. V.; Chudin, O. S.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Kondrasenko, A. A.; Pavlenko, N. I.; Rubaylo, A. I.; Kreindlin, A. Z.; Presidium of the Russian Academy of Sciences [8.15]
}
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12.
Redox potentials of
gold-
palladium
powders in aqueous solutions of H2PdCl4 / O. V. Belousov [et al.]> // Russ. J. Phys. Chem. A. - 2012. -
Vol. 86
,
Is. 3
. - P. 484-488,
DOI
10.1134/S0036024412020070. - Cited References: 26 . - ISSN 0036-0244
РУБ
Chemistry, Physical + Powders
Рубрики:
BIMETALLIC NANOPARTICLES
METALLIC
PALLADIUM
COPPER
ELECTRODE
BLACK
Bimetallic particles
Bimetallic powders
Gold-
palladium
Hydrochloric acid solution
Nernst equation
Redox potentials
Gold
Hydrochloric acid
Redox reactions
Secondary batteries
Transmission electron microscopy
X ray diffraction analysis
Кл.слова (ненормированные):
bimetallic powders
--
gold-
palladium
--
redox potential
Аннотация:
The redox potential of fine-dispersed and compact bimetallic powders of the
palladium
-gold system in hydrochloric acid solutions of H2PdCl4 at a temperature of 60A degrees C was studied. It was found that the redox potential increases with gold enrichment of the solid solution in accordance with the Nernst equation. The effect of gold-
palladium
particle size on this redox potential is shown. The morphology, sizes, and composition of bimetallic particles are determined via transmission electron microscopy and X-ray diffraction analysis.
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Публикация на русском языке
Окислительно-востановительные потенциалы золото-палладиевых порошков в водных растворах H2PdCl4 [Текст] / О. В. Белоусов [и др.] // Журн. физ. химии : Наука, 2012. - Т. 86 № 3. - С. 557-562
Держатели документа:
[Belousov, O. V.
Borisov, R. V.
Parfenov, V. A.
Dorokhova, L. I.] Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk 660041, Russia
[Zharkov, S. M.] Russian Acad Sci, Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
[Zharkov, S. M.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
Доп.точки доступа:
Belousov, O. V.; Borisov, R. V.; Zharkov, S. M.; Жарков, Сергей Михайлович; Parfenov, V. A.; Dorokhova, L. I.
}
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13.
Formation of bimetallic
Au-Pd and Au-Pt nanoparticles under hydrothermal conditions and microwave irradiation / O. V. Belousov [et al.]> // Langmuir. - 2011. -
Vol. 27
,
Is. 18
. - P. 11697-11703,
DOI
10.1021/la202686x. - Cited References: 28 . - ISSN 0743-7463
РУБ
Chemistry, Multidisciplinary + Chemistry, Physical + Materials Science, Multidisciplinary
Рубрики:
PROFILE REFINEMENT
PALLADIUM
BLACK
SIZE
CATALYSIS
METAL
Аннотация:
The reduction of chlorocomplexes of gold(III) from muriatic solutions by nanocrystal powders of
palladium
and platinum at 110 and 130 degrees C under hydrothermal conditions and the action of microwave irradiation has been investigated. The structure and composition of the solid phase have been characterized by transmission electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and chemical methods. Bimetallic particles with a core-shell structure have been revealed. The obtained particles are established to have a core of the metal reductant covered with a substitutional solid (Au, Pd) solution in case of
palladium
, and isolated by a gold layer in the case of platinum. The main reason for such a difference is the ratio between the rates of aggregation and reduction. It has been shown by the example of the Au-Pd system that the use of microwave irradiation allows us not only to accelerate the synthesis of particles but also to obtain more homogeneous materials in comparison with conventional heating.
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Доп.точки доступа:
Belousov, O. V.; Belousova, N. V.; Sirotina, A. V.; Solovyov, L. A.; Соловьев, Леонид Александрович; Zhyzhaev, A. M.; Жижаев, Анатолий Михайлович; Zharkov, S. M.; Жарков, Сергей Михайлович; Mikhlin, Y. L.
}
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14.
Cluster embedding in
an elastic polarizable environment: Density functional study of Pd atoms adsorbed at oxygen vacancies of MgO(001) / V. A. Nasluzov [et al.]> // J. Chem. Phys. - 2001. -
Vol. 115
,
Is. 17
. - P. 8157-8171,
DOI
10.1063/1.1407001. - Cited References: 88 . - ISSN 0021-9606
РУБ
Physics, Atomic, Molecular & Chemical
Рубрики:
TRANSITION-METAL ATOMS
AB-INITIO
OXIDE SURFACES
ELECTRONIC-PROPERTIES
ENERGY CALCULATIONS
MOLECULAR-DYNAMICS
MOTT-LITTLETON
MADELUNG FIELD
IONIC-CRYSTAL
MGO
Кл.слова (ненормированные):
Atoms
--
Binding energy
--
Computer simulation
--
Electron energy levels
--
Electronic structure
--
Magnesia
--
Oxygen
--
Palladium
--
Polarization
--
Probability density function
--
Quantum theory
--
Relaxation processes
--
Charged defects
--
Cluster embedding
--
Elastic polarizable environment
--
Electron affinity
--
Oxygen vacancies
--
Adsorption
Аннотация:
Adsorption complexes of
palladium
atoms on F-s, F-s(+), F-s(2+), and O2- centers of MgO(001) surface have been investigated with a gradient-corrected (Becke-Perdew) density functional method applied to embedded cluster models. This study presents the first application of a self-consistent hybrid quantum mechanical/molecular mechanical embedding approach where the defect-induced distortions are treated variationally and the environment is allowed to react on perturbations of a reference configuration describing the regular surface. The cluster models are embedded in an elastic polarizable environment which is described at the atomistic level using a shell model treatment of ionic polarizabilities. The frontier region that separates the quantum mechanical cluster and the classical environment is represented by pseudopotential centers without basis functions. Accounting in this way for the relaxation of the electronic structure of the adsorption complex results in energy corrections of 1.9 and 5.3 eV for electron affinities of the charged defects F-s(+) and F-s(2+), respectively, as compared to models with a bulk-terminated geometry. The relaxation increases the stability of the adsorption complex Pd/F-s by 0.4 eV and decreases the stability of the complex Pd/F-s(2+) by 1.0 eV, but it only weakly affects the binding energy of Pd/F-s(+). The calculations provide no indication that the metal species is oxidized, not even for the most electron deficient complex Pd/F-s(2+). The binding energy of the complex Pd/O2- is calculated at -1.4 eV, that of the complex Pd/F-s(2+) at -1.3 eV. The complexes Pd/F-s and Pd/F-s(+) exhibit notably higher binding energies, -2.5 and -4.0 eV, respectively; in these complexes, a covalent polar adsorption bond is formed, accompanied by donation of electronic density to the Pd 5s orbital. (C) 2001 American Institute of Physics.
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Держатели документа:
Russian Acad Sci, Inst Chem & Chem Technol, Krasnoyarsk 660049, Russia
Tech Univ Munich, Inst Phys & Theoret Chem, D-85747 Garching, Germany
Kemerovo State Univ, Dept Phys, Kemerovo 650043, Russia
ИХХТ СО РАН
Institute of Chemistry and Chemical Technology, Russian Academy of Sciences, 660049 Krasnoyarsk, Russian Federation
Institut fur Physikalische und Theoretische Chemie, Technische Universitat Munchen, 85747 Garching, Germany
Доп.точки доступа:
Nasluzov, V. A.; Rivanenkov, V. V.; Gordienko, A. B.; Neyman, K. M.; Birkenheuer, U.; Rosch, N.
}
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15.
Synthesis and catalytic
hydrogenation activity of Pd and bimetallic Au–Pd nanoparticles supported on high-porosity carbon materials / O. V. Belousov [et al.]> // React. Kinet. Mech. Catal. - 2019. -
Vol. 127
,
Is. 1
. - P. 25–39,
DOI
10.1007/s11144-018-1430-0. - Cited References: 57 . - ISSN 1878-5190
Кл.слова (ненормированные):
MOCVD
--
Hydrothermal synthesis
--
Palladium
nanoparticles
--
Mesostructured carbon
--
Bimetallic Pd–Au catalyst
--
Furfural diethyl acetal
--
Hydrogenation
Аннотация:
The processes of
palladium
deposition on various high-porosity carbon matrices (Sibunit, CMK-3) have been studied. Mesostructured carbon material CMK-3 was synthesized using a silicate template of SBA-15 type. Pd nanoparticles were loaded onto carbon matrices by metalorganic chemical vapour deposition (MOCVD) method using
palladium
(II) acetylacetonate precursor. Bimetal Au–Pd systems were synthesized by autoclave reduction of gold(III) chloride complexes on Pd-containing carbon matrices. Structure of the obtained composite particles was studied by electron microscopy and X-ray diffraction. The average diameter of Pd particles on Sibunit is about 10, and 5–6 nm on CMK-3. The catalytic activity of the synthesized materials was studied in the reaction of furfural diethyl acetal (FDEA) hydrogenation, using gas–liquid chromatographic analysis. There is significant difference in catalytic activity of MOCVD-Pd/C compared to conventional impregnated Pd/C systems: the hydrogenation rate is 3–6 times higher with MOCVD-derived catalysts. Introducing Au into a MOCVD-Pd/C catalyst increases the hydrogenation rate threefold. Considerable difference in the composition of hydrogenation products was observed between these differently prepared catalysts.
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Держатели документа:
Institute of Chemistry and Chemical Technology of the Siberian Branch of the Russian Academy of Sciences - A Separate Division of FSC KSC SB RAS, 50/24, Akademgorodok, Krasnoyarsk, Russian Federation
Boreskov Institute of Catalysis, 5, Lavrentieva, Novosibirsk, Russian Federation
Kirensky Institute of Physics of the Siberian Branch of the Russian Academy of Sciences - A Separate Division of FSC KSC SB RAS, 50/38, Akademgorodok, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Belousov, O. V.; Tarabanko, V. E.; Borisov, R. V.; Simakova, I. L.; Zhyzhaev, A. M.; Tarabanko, N.; Isakova, V. G.; Исакова, Виктория Гавриловна; Parfenov, V. V.; Ponomarenko, I. V.
}
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16.
Surface modification of
detonation nanodiamonds with platinum and
palladium
nanoparticles / V. G. Isakova [et al.]> // Int. J. Chem. - 2015. -
Vol. 7
,
No. 1
. - P. 1-9,
DOI
10.5539/ijc.v7n1p1. - Cited References: 38 . - ISSN 1916-9698
Кл.слова (ненормированные):
detonation-synthesized nanodiamond supports
--
platinum and
palladium
nanoparticles
--
combustion
--
chemical modific
--
DND additional purification
Аннотация:
Acetylacetonates of platinum group metals (M(acac)n, acac= CH3COCHCOCH3,n - oxidation state of metal) are the most suitable precursors for use in highly effective MOCVD (metal-organic chemical vapor deposition) processes because of their thermal properties, low price of initial ligand and accessible synthesis methods. In this study we have developed a simple, scalable inexpensive, MOCVD-like approach to the deposition of Pt and Pd nanoparticle dispersions on powder detonation nanodiamonds (DND) using combustion in air of powder mixtures of DND with Pt and Pd acetylacetonates. This one-step process requires no specialized apparatus, and is conducted at mild temperatures (180°C – 250°C). The substrate surface of DND initiates chemical thermal destruction of precursor and deposition of nanoparticle networks composed of constituent particles. DND-supported Pd and Pt nanoparticles with their loading being from 10 and 5wt. % were obtained the average of particle size 20-25 nm and 7-10nm decreases with decreasing the metal loading. For additional purification and disaggregation of the commercial detonation-synthesized nanodiamond (DNDcomm) the method of annealing of the powder mixtures DNDcomm with Na(acac) have been used. The purified diamond nanoparticulates (DND), as well as DNDcomm, Pt/DND and Pd/DND, were subjected to physicochemical characterizations, such as X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive X-ray (EDX) analysis.
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Доп.точки доступа:
Isakova, V. G.; Исакова, Виктория Гавриловна; Isakov, V. P.; Lyamkin, A. I.; Zharikova, N. V.; Yunoshev, A. S.; Nemtsev, I. V.; Немцев, Иван Васильевич
}
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17.
Electromagnetic density of
states and absorption of radiation by aggregates of nanospheres with multipole interactions / V. A. Markel [et al.]> // Phys. Rev. B. - 2004. -
Vol. 70
,
Is. 5
. - Ст. 54202,
DOI
10.1103/PhysRevB.70.054202. - Cited References: 81 . - ISSN 1098-0121
РУБ
Physics, Condensed Matter
Рубрики:
DISCRETE-DIPOLE APPROXIMATION
ENHANCED RAMAN-SCATTERING
METAL FRACTAL CLUSTERS
OPTICAL-PROPERTIES
SELECTIVE PHOTOMODIFICATION
DISORDERED CLUSTERS
NUMERICAL-SIMULATION
SPECTRAL DEPENDENCE
PARTICULATE MATTER
LIGHT-SCATTERING
Кл.слова (ненормированные):
carbon
--
iron
--
palladium
--
silver
--
article
--
dipole
--
electromagnetic field
--
geometry
--
mathematical analysis
--
molecular interaction
--
nanoparticle
--
radiation absorption
Аннотация:
We calculate the quasistatic electromagnetic density of states for aggregates of touching spheres, in particular, linear chains and computer-generated random fractal aggregates. Multipole moments with orders of up to L=64 are taken into account for random aggregates with the number of particles of up to N=100 and up to L=8000 for linear chains. Extensive comparisons with the dipole approximation and geometrical cluster renormalization method are performed. Extinction spectra are calculated for several metals and black carbon. Long wavelength electromagnetic properties of fractal aggregates are considered in details.
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Держатели документа:
Univ Penn, Dept Radiol, Philadelphia, PA 19104 USA
Jackson State Univ, Dept Phys, Jackson, MS 39217 USA
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Russia
Krasnoyarsk State Tech Univ, Dept Phys & Engn, Krasnoyarsk 660028, Russia
Natl Acad Sci Ukraine, Inst Surface Chem, UA-03164 Kiev, Ukraine
ИФ СО РАН
Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, United States
Department of Physics, Jackson State University, Jackson, MS 39217, United States
L. V. Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, Krasnoyarsk 660036, Russian Federation
Moscow Inst. of Phys. and Technology, Dolgoprudny, Moscow Region 141700, Russian Federation
Dept. of Physics, and Engineering, Krasnoyarsk State Tech. University, Krasnoyarsk 660028, Russian Federation
Institute of Surface Chemistry, Natl. Academy of Sciences of Ukraine, 17 General Naumov St., 03164 Kiev, Ukraine
Доп.точки доступа:
Markel, V. A.; Pustovit, V. N.; Karpov, S. V.; Карпов, Сергей Васильевич; Obuschenko, A. V.; Gerasimov, V. S.; Герасимов, Валерий Сергеевич; Isaev, I. L.; Исаев, Иван Леонидович
}
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