2015
DOI: 10.1039/c5cp00650c
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Nonstoichiometry of nanocrystalline monoclinic silver sulfide

Abstract: Powders of silver sulfide have been synthesized by chemical bath deposition from aqueous solutions of silver nitrate and sodium sulfide in the presence of sodium citrate or EDTA-H2Na2. Colloid solutions have been prepared by a chemical condensation method from the same aqueous solutions. Synthesized silver sulfide nanopowders have a monoclinic (space group P21/c) acanthite-type structure but the occupancy of the metal sublattice sites by Ag atoms is smaller than 1. Unlike coarse-crystalline silver sulfide Ag2S… Show more

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Cited by 93 publications
(66 citation statements)
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References 22 publications
(27 reference statements)
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“…At the same time, the occupancy of the Ag1 and Ag2 silver atoms on the crystallographic position 4e in the nanopowders is somewhat lower than unity. A quantitative analysis of X-ray diffraction data and comparison with previous results [19] indicate that the observed set of diffraction peaks corresponds to nanocrystalline nonstoichiometric monoclinic (sp. gr.…”
Section: + ⎯⎯⎯⎯⎯→ → ↓+mentioning
confidence: 89%
“…At the same time, the occupancy of the Ag1 and Ag2 silver atoms on the crystallographic position 4e in the nanopowders is somewhat lower than unity. A quantitative analysis of X-ray diffraction data and comparison with previous results [19] indicate that the observed set of diffraction peaks corresponds to nanocrystalline nonstoichiometric monoclinic (sp. gr.…”
Section: + ⎯⎯⎯⎯⎯→ → ↓+mentioning
confidence: 89%
“…Размер частиц регулировался путем изменения концентраций реагентов и продолжительностью нахождения осадков в реакционных смесях. Методика синтеза описана ра-нее [9,10,21,22]. Заметим, что химическое осаждение сульфидов из водных растворов является частным слу-чаем one-pot синтеза [23], который позволяет синтези-ровать неорганические наночастицы непосредственно в водной среде.…”
Section: экспериментunclassified
“…1. Количественное уточнение рентгенограмм и сравнение с данными [9,10] показали, что все по-рошки являются однофазными и содержат набор ди-фракционных отражений моноклинного (пр. гр.…”
Section: влияние температуры на тепловое расширение сульфида серебраunclassified
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