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    Состав, структура и реакционная способность при восстановлении водородом композиционных материалов системы α-Fe2O3–CaFe2O4 / В. В. Юмашев [и др.] // Журнал СФУ. Химия. - 2019. - Т. 12, Вып. 1. - С. 54-72 ; J. Sib. Fed. Univ. Chem., DOI 10.17516/1998-2836-0108. - Библиогр.: 37 . - ISSN 1998-2836. - ISSN 2313-6049
   Перевод заглавия: Composition, Structure and Reduction Reactivity of Composite Materials of the α-Fe2O3-CaFe2O4 System by Hydrogen

РУБ Chemistry, Multidisciplinary
Рубрики:
CHEMICAL LOOPING GASIFICATION
OXYGEN CARRIER
PARTIAL OXIDATION
Кл.слова (ненормированные):
твердофазный синтез -- феррит кальция -- РФА -- СЭМ-ЭДС -- термопрограммируемое восстановление водородом -- solid-phase synthesis -- calcium ferrite -- XRD -- SEM-EDS -- temperature-programmed reduction by hydrogen
Аннотация: В работе изучены композиционные материалы системы α-Fe2O3-CaFe2O4, полученные методом высокотемпературного твердофазного синтеза из оксидов Са и Fe(III) с вариацией мольного отношения СаО/Fe2O3 от 0.15 до 1.00. Материалы охарактеризованы методами рентгеновской дифракции (РФА), сканирующей электронной микроскопии с системой энергодисперсионного микроанализа (СЭМ-ЭДС) и синхронного термического анализа (СТА) в режиме термопрограммируемого восстановления водородом (H2-ТПВ). СЭМ-ЭДС - исследование образцов выявило формирование сложной микроструктуры материала по типу «ядро-оболочка» с фазой гематита в качестве «ядра». H2-ТПВ образцов позволило установить, что с увеличением содержания фазы CaFe2O4 (от 33.4 до 97.5 мас. %) наблюдается снижение вклада низкотемпературных форм решеточного кислорода в областях 350-510 °С (до 2.6 раза) и 510-650 °С (до 1.7 раза) и рост вклада высокотемпературной формы кислорода в интервале 650-900 °С (до 2 раз). На основе оценки подвижности решеточного кислорода высказано предположение о перспективности использования полученных композиционных материалов с содержанием фазы CaFe2O4 более 55.2 мас. % в качестве носителей кислорода в химических циклических процессах получения синтез-газа.
In this paper, α-Fe2O3–CaFe2O4 composite materials obtained by high-temperature solid-phase synthesis from Ca and Fe (III) oxides with varying molar ratio CaO/Fe2O3 in the range 0.15-1.00 were investigated. The materials are characterized by Х-ray diffraction (XRD), scanning electron microscopy with energy-dispersive X-ray microanalysis (SEM-EDS) and simultaneous thermal analysis (STA) in the hydrogen temperature-programmed reduction mode (H2-TPR). SEM-EDS studies of the specimens were revealed a formation of the “core-shell” type complex microstructure of material with the hematite phase as the “core”. H2-TPR of the specimens allowed to establish a decrease of the contribution of low-temperature forms of lattice oxygen in areas of 350-510 °С (up to 2.6 times) and 510-650 °С (up to 1.7 times), and the growth of the contribution of the high-temperature oxygen form in the range of 650-900 °С (up to 2 times) with an increase in the content of the phase CaFe2O4 from 33.4 to 97.5 wt. %. Relying on the assessment of lattice oxygen mobility, it was suggested, that the samples with content of CaFe2O4 phase more than 55.4 wt. % are promising for use as oxygen carriers in chemical looping processes of syngas production.

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Держатели документа:
FRC Krasnoyarsk Sci Ctr SB RAS, Inst Chem & Chem Technol SB RAS, 50-24 Akademgorodok, Krasnoyarsk 660036, Russia.
FRC Krasnoyarsk Sci Ctr SB RAS, Kirensky Inst Phys SB RAS, 50-38 Akademgorodok, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Юмашев, Владимир Витальевич; Yumashev, Vladimir V.; Кирик, Надежда Павловна; Kirik N. P.; Шишкина, Нина Николаевна; Shishkina, Nina N.; Князев, Юрий Владимирович; Knyazev, Yu. V.; Жижаев, Анатолий Михайлович; Zhyzhaev, A. M.; Соловьев, Леонид Александрович; Solov'ev, L. A.

}
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    Giant hydrogen effect on the structure and physical properties of ZnO and Co-doped ZnO films fabricated by the RF magnetron sputtering in Ar + H2 atmosphere / I. S. Edelman [et al.] // J. Magn. Magn. Mater. - 2019. - Vol. 489. - Ст. 165461, DOI 10.1016/j.jmmm.2019.165461. - Cited References: 39. - The work is supported by the Russian Academy of Sciences in the frames of Project No 0356-2017-0030 and by the Ministry of Science and Technology of Taiwan MOST 106-2112-M-110-001. . - ISSN 0304-8853. - ISSN 1873-4766
   Перевод заглавия: Колоссальное влияние водорода на структуру и физические свойства пленок ZnO и ZnO допированных кобальтом, полученных методом высокочастотного магнетронного распыления в атмосфере аргона и водорода

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
MAGNETOOPTICAL PROPERTIES
OPTICAL-PROPERTIES
FERROMAGNETISM
Кл.слова (ненормированные):
ZnO films -- Co-doped ZnO films -- Films hydrogenation -- Magnetic circular -- dichroism -- Room temperature ferromagnetism
Аннотация: ZnO and Co-doped ZnO films were synthesized by the radio frequency magnetron sputtering in mixed atmosphere of Ar + 20% O2 and Ar + 20–50% H2. The morphology, chemical composition, crystal structure, optical transmission, electrical resistance, and magnetic circular dichroism of the films were investigated. It was established that the films thickness decreased several times when Ar was partly replaced by hydrogen in the sputtering chamber. At the same time, for the Co-doped ZnO films, the increase in the relative Co content with the increasing hydrogen concentration was observed. These phenomena are explained by the formation of gaseous ZnH2 because of the hydrogen reaction with the growing films under the conditions of the high substrate temperature (450 °C) and, respectively, the decrease in the Zn component in the films. The hydrogenated Co-doped ZnO films exhibit an increase in electric conductivity and ferromagnetic behavior at room temperature. The magnetic nature of the films is explained by a combination of the intrinsic ferromagnetism (due to the formation of the Co-H-Co complex) with the inclusion of metallic Co clusters.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Natl Sun Yat Sen Univ, Dept Phys, Kaohsiung 80424, Taiwan.
Natl Univ Kaohsiung, Dept Appl Phys, Kaohsiung 81148, Taiwan.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
ESRF, CS 40220, F-38043 Grenoble, France.

Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Chou, Hsiung; Samoshkina, Yu. E.; Самошкина, Юлия Эрнестовна; Petrov, D. A.; Петров, Дмитрий Анатольевич; Lin, Hsien C.; Chan, Wen L.; Sun, Shih-Jye; Zharkov, S. M.; Жарков, Сергей Михайлович; Bondarenko, G. V.; Бондаренко, Геннадий Васильевич; Platunov, M. S.; Платунов, Михаил Сергеевич; Rogalev, A.; Russian Academy of Sciences [0356-2017-0030]; Ministry of Science and Technology of Taiwan [MOST 106-2112-M-110-001]
}
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    Golovnev, N. N.
    Three isomers in a (hydrogen L-Cysteinato)-thallium(I): Crystal structure, spectroscopic and thermal properties / N. N. Golovnev, M. S. Molokeev, M. K. Lesnikov // Polyhedron. - 2019. - Vol. 173. - Ст. 114141, DOI 10.1016/j.poly.2019.114141. - Cited References: 37. - The study was carried out within the public task of the Ministry of Education and Science of the Russian Federation to the Siberian Federal University (4.7666.2017/BP) in 2017–2019. X-ray data from single crystals and powder pattern were obtained with use the analytical equipment of Krasnoyarsk Center of collective use of SB RAS. . - ISSN 0277-5387
   Перевод заглавия: Три изомера в (H L-цистеин)-таллии(I): кристаллическая структура, спектроскопические и термические свойства
Кл.слова (ненормированные):
Cysteine -- Thallium -- Complex -- Isomers -- Structre
Аннотация: The isolation of thallium(I) complexes [Tl2(HCys)2]n (1) and [Tl4(HCys)4]n (2) {H2Cys = l-Cysteine} from aqueous solution by means of crystallization is reported herein. Polar crystals of 1 and 2 were crystallized in P21 and P212121 space groups respectively. Elemental analysis, XRD, IR, UV–Vis, TG-DSC and a single crystal X-ray diffraction were applied for characterizing the compounds. Linkage isomers 1 and 2 have 1D and 2D coordination polymeric structures respectively. The lone pair electrons of thallium(I) in 1–2 are stereo-chemically active. In 1, each of two independent Tl+ ions is coordinated by three HCys− ions forming TlS3O irregular polyhedron that is linked to each other by vertexes in an infinite chain. In 2, four independent Tl+ ions are coordinated by HCys− ions through S and O atoms, forming Tl1S3O2, Tl2S4, Tl3S3, Tl4S3 irregular polyhedrons. The crystallographic independent HCys− ions are linked to the metal ion differently, two are μ3-S,S,S-, one is μ4-O,S,S,S-, and one is μ4-O,O',S,S,S-coordinated ligands. The amine group of compounds 1 and 2 is in the form of an ammonium ion (–NH3+). The structures of 1–2 are stabilized by NH⋯O hydrogen bonds, thallophilic Tl⋯Tl and anagostic Tl⋯HC interactions. The spectroscopic and thermal properties of compounds were analyzed.

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Держатели документа:
Department of Chemistry, Siberian Federal University, 79 Svobodny Ave., Krasnoyarsk, 660041, Russian Federation
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Bld. 38 Akademgorodok 50, Krasnoyarsk, 660036, Russian Federation
Department of Engineering Physics and Radioelectronic, Siberian Federal University, 79 Svobodny Ave., Krasnoyarsk, 660041, Russian Federation
Department of Physics, Far Eastern State Transport University, 47 Seryshev Str., Khabarovsk, 680021, Russian Federation

Доп.точки доступа:
Molokeev, M. S.; Молокеев, Максим Сергеевич; Lesnikov, M. K.
}
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    Effect of restricted geometry and external pressure on the phase transitions in ammonium hydrogen sulfate confined in a nanoporous glass matrix / E. A. Mikhaleva [et al.] // J. Mater. Sci. - 2018. - Vol. 53, Is. 15. - P. 12132–12144, DOI 10.1007/s10853-018-2467-1. - Cited References: 44. - The reported study was funded by Russian Foundation for Basic Research (RFBR) according to the Research Project No. 16-32-00092 mol_a. . - ISSN 0022-2461
   Перевод заглавия: Влияние ограниченной геометрии и внешнего давления на фазовые переходы в кислом сульфате аммония заключенном в нанопористую стеклянную матрицу
Кл.слова (ненормированные):
Hydraulics -- Hydrostatic pressure -- Permittivity -- Pore size -- Specific heat -- Sulfur compounds -- Thermal expansion
Аннотация: A study of heat capacity, thermal dilatation, susceptibility to hydrostatic pressure, permittivity and polarization loops was carried out on NH4HSO4–porous glass nanocomposites (AHS + PG) as well as empty glass matrices. The formation of dendrite clusters of AHS with a size, dcryst, exceeding the pore size was found. An insignificant anisotropy of thermal expansion of AHS + PG showing statistically uniform distribution of AHS with random orientations of nanocrystallites over the matrix was observed. The effect of internal and external pressures on thermal properties and permittivity was studied. At the phase transition P-1 ↔ Pc, a strongly nonlinear decrease in the entropy ΔS2 and volume strain (ΔV/V)T2 was observed with decreasing dcryst. The linear change in temperatures of both phase transitions P-1 ↔ Pc ↔ P21/c under hydrostatic pressure is accompanied by the expansion of the temperature range of existence of the ferroelectric phase Pc, while this interval narrows as dcryst decreases.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok, 50, Bld. 38, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
Astafijev Krasnoyarsk State Pedagogical University, Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, Russian Federation
Krasnoyarsk State Agrarian University, Krasnoyarsk, Russian Federation
Voronezh State Technical University, Voronezh, Russian Federation
Division of Experimental Physics, Faculty of Fundamental Problems of Technology, Wroclaw University of Science and Technology, Wroclaw, Poland

Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Flerov, I. N.; Флёров, Игорь Николаевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Gorev, M. V.; Горев, Михаил Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Bogdanov, E. V.; Богданов, Евгений Витальевич; Bondarev, V. S.; Бондарев, Виталий Сергеевич; Korotkov, L. N.; Rysiakiewicz-Pasek, E.
}
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    Colloidal and deposited products of the interaction of tetrachloroauric acid with hydrogen selenide and hydrogen sulfide in aqueous solutions / S. Vorobyev [et al.] // Minerals. - 2018. - Vol. 8, Is. 11. - Ст. 492, DOI 10.3390/min8110492. - Cited References: 63. - This research was funded by the Siberian Branch of the Russian Academy of sciences, Program of Interdisciplinary Studies, grant number 64 (project 303). . - ISSN 2075-163X
   Перевод заглавия: Коллоидные и осажденные продукты взаимодействия золотохлористоводородной кислоты с селеноводородом и сероводородом в водных растворах
Кл.слова (ненормированные):
Gold selenide -- Gold sulfoselenide -- Colloids -- Nanoparticles -- Nucleation -- Liquid intermediates -- Deposition
Аннотация: The reactions of aqueous gold complexes with H2Se and H2S are important for transportation and deposition of gold in nature and for synthesis of AuSe-based nanomaterials but are scantily understood. Here, we explored species formed at different proportions of HAuCl4, H2Se and H2S at room temperature using in situ UV-vis spectroscopy, dynamic light scattering (DLS), zeta-potential measurement and ex situ Transmission electron microscopy (TEM), electron diffraction, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. Metal gold colloids arose at the molar ratios H2Se(H2S)/HAuCl4 less than 2. At higher ratios, pre-nucleation “dense liquid” species having the hydrodynamic diameter of 20–40 nm, zeta potential −40 mV to −50 mV, and the indirect band gap less than 1 eV derived from the UV-vis spectra grow into submicrometer droplets over several hours, followed by fractional nucleation in the interior and coagulation of disordered gold chalcogenide. XPS found only one Au+ site (Au 4f7/2 at 85.4 eV) in deposited AuSe, surface layers of which partially decomposed yielding Au0 nanoparticles capped with elemental selenium. The liquid species became less dense, the gap approached 2 eV, and gold chalcogenide destabilized towards the decomposition with increasing H2S content. Therefore, the reactions proceed via the non-classical mechanism involving “dense droplets” of supersaturated solution and produce AuSe1−xSx/Au nanocomposites.

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Держатели документа:
Institute of Chemistry and Chemical Technology of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Kirensky Institute of Physics of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Electron Microscopy Laboratory, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Vorobyev, S.; Likhatski, M.; Romanchenko, A.; Maksimov, N.; Zharkov, S. M.; Жарков, Сергей Михайлович; Krylov, A. S.; Крылов, Александр Сергеевич; Mikhlin, Y.
}
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In Situ FMR Study of the Selective H2S-Oxidation Stability of ε-Fe2O3/SiO2 Catalysts / S. S. Yakushkin [et al.] // Appl. Magn. Reson. - 2019. - Vol. 50, Is. 5. - P. 725-733, DOI 10.1007/s00723-019-1109-3. - Cited References:32. - This work was supported by the Russian Science Foundation, project no. 17-12-01111. . - ISSN 0937-9347. - ISSN 1613-7507

РУБ Physics, Atomic, Molecular & Chemical + Spectroscopy
Рубрики:
HYDROGEN-SULFIDE
   CALCINATION TEMPERATURE
   OXIDATION
   PHASE
   BED
Аннотация: The stability of a catalyst for partial H2S oxidation has been studied by the ferromagnetic resonance (FMR) technique combined with transmission electron microscopy, X-ray diffraction, Mössbauer spectroscopy, and magnetostatic investigations. The ε-Fe2O3 iron oxide nanoparticles supported on silica have been examined for their stability under the selective H2S oxidation conditions. The combination of the physicochemical methods has been used to study the state of reacted catalysts. The ε-Fe2O3 phase has been found to remain stable under the selective H2S oxidation conditions at temperatures up to 300 °C. The active phase state during the catalytic reaction has been explored using in situ FMR experiments. It has been established that the ε-Fe2O3 nanoparticles retain their structure and magnetic properties in the presence of H2S at high temperatures. During the in situ FMR experiments, the ε-Fe2O3 sulfidation process has been studied.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Lavrentieva 5, Novosibirsk 630090, Russia.
RAS, Fed Res Ctr KSC SB, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.

Доп.точки доступа:
Yakushkin, S. S.; Bukhtiyarova, G. A.; Dubrovskiy, A. A.; Дубровский, Андрей Александрович; Knyazev, Yu. V.; Князев, Юрий Владимирович; Balaev, D. A.; Балаев, Дмитрий Александрович; Martyanov, O. N.; Russian Science Foundation [17-12-01111]
}
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    Role of metal-chloride anions in photoluminescence regulations for hybrid metal halides / B. Su, G. Song, M. S. Molokeev [et al.] // J. Phys. Chem. Lett. - 2021. - Vol. 12, Is. 7. - P. 1918-1925, DOI 10.1021/acs.jpclett.1c00182. - Cited References: 40. - This work is supported by the National Natural Science Foundation of China (51961145101 and 51972118), the Fundamental Research Funds for the Central Universities (D2190980), the Guangzhou Science & Technology Project (202007020005), and the Local Innovative and Research Teams Project of Guangdong Pearl River Talents Program (2017BT01X137). This work is also funded by RFBR according to the research project No. 19-52-80003 . - ISSN 1948-7185
   Перевод заглавия: Роль металл-хлорид-анионов в регуляции фотолюминесценции гибридных галогенидов металлов
Кл.слова (ненормированные):
Intra-molecular hydrogen bonds -- Intramolecular interactions -- Luminescence mechanisms -- Organic-inorganic hybrid -- Photoluminescence properties -- Photoluminescence quantum yields -- Photophysical properties -- Structural diversity -- Metal halides
Аннотация: Organic–inorganic hybrid metal halides with emissive organic cations are of great interest due to their structural diversity and interesting photophysical properties. Here, we assemble emissive organic cations (EnrofloH22+) with different metal–chloride anions (Pb2Cl62– to Bi2Cl104– to SnCl62–) to form the new single crystal phases, and thus the photoluminescence properties of the metal halides, including Stokes shift, full width at half-maximum (FWHM), and photoluminescence quantum yield (PLQY) have been studied accordingly. (EnrofloH2)SnCl6·H2O, as an example, possesses narrow FWHM and high PLQY, which are caused by the strong π–π stacking and inter- and intramolecular hydrogen bonds interactions. Compared with EnrofloH22+ cation in solution, the interactions generate a restraining effect and increase the rigid degree of EnrofloH22+ cation in the bulk single crystals. Our work clarifies the photophysical properties of the EnrofloH22+ organic cations by constructing the inter- and intramolecular interactions and boosts the further study of organic–inorganic hybrid metal halides materials with different luminescence mechanisms.

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Держатели документа:
The State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, School of Materials Science and Technology, South China University of Technology, Guangzhou, 510640, China
Technical Institute of Physics and Chemistry, University of Chinese Academy of Sciences, Beijing, 100190, China
Center of Materials Science and Optoelectronics Engineering, University of the Chinese Academy of Sciences, Beijing, 100049, China
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Research and Development Department, Kemerovo State University, Kemerovo, 650000, Russian Federation

Доп.точки доступа:
Su, B.; Song, G.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Golovnev, N. N.; Lesnikov, M. K.; Lin, Z.; Xia, Z.
}
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    Obtaining particles with the structure Mg@C and (Mg@C)@Pd, their properties and stability in the hydrogenation/dehydrogenation processes / G. N. Churilov, N. S. Nikolaev, V. I. Elesina [et al.] // Int. J. Hydrogen Energy. - 2022. - Vol. 47. Is. 11. - P. 7299-7309, DOI 10.1016/j.ijhydene.2021.03.042. - Cited References: 46 . - ISSN 0360-3199
   Перевод заглавия: Получение частиц со структурой Mg@C и (Mg@C)@Pd, их свойства и стабильность в процессах гидрирования /дегидрирования
Кл.слова (ненормированные):
Core-shell particles -- Mg, С, Рd nanoparticles -- Sorption capacity of hydrogen -- Hydrogen-storage materials -- Magnesium hydride
Аннотация: In this work, we studied the change in the properties of powders with a core (magnesium) – shell structure (carbon and carbon/palladium) in the process of hydrogenation/dehydrogenation with hydrogen (99.995 wt%). Magnesium powders were obtained by plasma chemical synthesis in an atmosphere of argon containing a small amount of hydrogen (2–3 at.%) and nitrogen (8–9 at.%), when performing a low-frequency arc discharge between a tungsten electrode and a magnesium melt. The shell (carbon and carbon/palladium) was deposited in a plasma generator with vortex and magnetic stabilization. For all samples, a decrease in the sorption capacity of hydrogen was observed as a result of successive cycles of sorption and desorption reactions. It was found that the reason for this fall is associated with the formation of the MgO and Mg(OH)2 phase, which prevents the diffusion of hydrogen. The carbon shell provides a more complete hydrogenation of the magnesium particles, and an additional palladium shell increases the resistance to cyclic hydrogenation/dehydrogenation and reduces the temperature of these processes. According to the data obtained, powders with particles (Mg@C)@Pd can absorb the largest amount of hydrogen (6.9 wt%) for the duration of 5 cycles, after which the protective shell of the particles begins to collapse and a loss of sorption capacity is observed.

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Держатели документа:
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Svobodny, 79, Krasnoyarsk, 660041, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, Krasnoyarsk, 660036, Russian Federation
Institute of Chemistry and Chemical Technology, Federal Research Center KSC SB RAS, Akademgorodok 50/24, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Churilov, G. N.; Чурилов, Григорий Николаевич; Nikolaev, N. S.; Николаев, Никита Сергеевич; Elesina, V. I.; Елесина, Виктория Игоревна; Glushenko, G. A.; Глущенко, Гарий Анатольевич; Isakova, V. G.; Исакова, Виктория Гавриловна; Tomashevich, Y. V.
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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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10.

Anisotropy of piezocaloric effect at ferroelectric phase transitions in ammonium hydrogen sulphate / E. V. Bogdanov, I. N. Flerov // E-MRS fall meeting : conference programme. - 2019. - Ст. E.P.4. - This work was supported by the Russian Science Foundation (RSF) grant (No. 19-72-00023)

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, 660036 Krasnoyarsk, Russia
Siberian Federal University, 660074 Krasnoyarsk, Russia
Far Eastern State Transport University, Khabarovsk, Russia 680021
Astafijev Krasnoyarsk State Pedagogical University, 660049 Krasnoyarsk, Russia

Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Gorev, M. V.; Горев, Михаил Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Flerov, I. N.; Флёров, Игорь Николаевич; Fall Meeting, European Materials Research Society(2019 ; Sept. ; 16-19 ; Warsaw, Poland); European Materials Research Society; Warsaw University of Technology
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