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    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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    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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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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Публикация на русском языке 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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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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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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Публикация на русском языке 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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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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Публикация на русском языке 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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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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    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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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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10.

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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