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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Russian Journal of Inorganic Chemistry</journal-id><journal-title-group><journal-title xml:lang="en">Russian Journal of Inorganic Chemistry</journal-title><trans-title-group xml:lang="ru"><trans-title>Журнал неорганической химии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0044-457X</issn><issn publication-format="electronic">3034-560X</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">665295</article-id><article-id pub-id-type="doi">10.31857/S0044457X22601559</article-id><article-id pub-id-type="edn">JDGAXE</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>НЕОРГАНИЧЕСКИЕ МАТЕРИАЛЫ И НАНОМАТЕРИАЛЫ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Unknown</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Stability of Colloidal Silver Sulfide Solutions</article-title><trans-title-group xml:lang="ru"><trans-title>Стабильность коллоидных растворов сульфида серебра</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sadovnikov</surname><given-names>S. I.</given-names></name><name xml:lang="ru"><surname>Садовников</surname><given-names>С. И.</given-names></name></name-alternatives><email>sadovnikov@ihim.uran.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Solid-State Chemistry, Ural Branch, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт химии твердого тела УрО РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-03-01" publication-format="electronic"><day>01</day><month>03</month><year>2023</year></pub-date><volume>68</volume><issue>3</issue><fpage>411</fpage><lpage>418</lpage><history><date date-type="received" iso-8601-date="2025-02-26"><day>26</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2023, С.И. Садовников</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, С.И. Садовников</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">С.И. Садовников</copyright-holder><copyright-holder xml:lang="ru">С.И. Садовников</copyright-holder></permissions><self-uri xlink:href="https://transsyst.ru/0044-457X/article/view/665295">https://transsyst.ru/0044-457X/article/view/665295</self-uri><abstract xml:lang="en"><p>Stable colloidal solutions of silver sulfide Ag2S quantum dots of various sizes were prepared by hydrochemical bath deposition from low-concentration aqueous solutions of silver nitrate, sodium sulfide, and sodium citrate. The Ag2S quantum dot sizes determined by dynamic light scattering (DLS) were 2–3 to 28–30 nm. The great negative values of the measured ζ-potentials of the colloidal solutions and the small changes in ζ-potential and quantum dot sizes upon the long-term storage of the solutions indicate their stability across time.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45181324437776">Гидрохимическим методом в низкоконцентрированных водных растворах нитрата серебра, сульфида натрия и цитрата натрия синтезированы стабильные коллоидные растворы квантовых точек сульфида серебра Ag<sub>2</sub>S разного размера. Размер квантовых точек Ag<sub>2</sub>S, определенный методом динамического рассеяния света, составляет от 2–3 до 28–30 нм. Большая отрицательная величина измеренного ζ-потенциала коллоидных растворов и малое изменение ζ-потенциала и размера квантовых точек при длительном хранении растворов свидетельствуют об их временнóй стабильности.</p></trans-abstract><kwd-group xml:lang="en"><kwd>silver sulfide</kwd><kwd>quantum dot</kwd><kwd>colloidal solution</kwd><kwd>stability across time</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>сульфид серебра</kwd><kwd>квантовая точка</kwd><kwd>коллоидный раствор</kwd><kwd>стабильность во времени</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Автор благодарит Е.Ю. Герасимова и Ю.В. Кузнецову за помощь в ПЭМ- и ДРС-исследованиях.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Садовников С.И., Ремпель А.А., Гусев А.И. // Успехи химии. 2018. Т. 87. № 4. 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