A. Valeeva, A. Rempel, S. Rempel, S. Sadovnikov, A. Gusev
{"title":"Nonstoichiometry, structure and properties of nanocrystalline oxides, carbides and sulfides","authors":"A. Valeeva, A. Rempel, S. Rempel, S. Sadovnikov, A. Gusev","doi":"10.1070/RCR4967","DOIUrl":null,"url":null,"abstract":"The results of recent experimental studies of the influence of the size of oxide, carbide and sulfide nanoparticles on changes in their nonstoichiometry are analyzed and generalized. In relation to intrinsically nonstoichiometric titanium oxides and niobium and vanadium carbides, on the one hand, and stoichiometric silver sulfides, on the other hand, it is shown that a decrease in the particle size to the nano scale has a strong impact on the chemical composition of nanocrystalline compounds, viz., it leads to the occurrence of or increase in nonstoichiometry. A conclusion is drawn that interplay between the particle size and nonstoichiometry is common to all solid nanocrystalline substances and should be taken into account in studies on the synthesis, structure and properties of these systems. The bibliography includes 260 references.","PeriodicalId":21523,"journal":{"name":"Russian Chemical Reviews","volume":"90 1","pages":"601 - 626"},"PeriodicalIF":7.0000,"publicationDate":"2021-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Russian Chemical Reviews","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1070/RCR4967","RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 4
Abstract
The results of recent experimental studies of the influence of the size of oxide, carbide and sulfide nanoparticles on changes in their nonstoichiometry are analyzed and generalized. In relation to intrinsically nonstoichiometric titanium oxides and niobium and vanadium carbides, on the one hand, and stoichiometric silver sulfides, on the other hand, it is shown that a decrease in the particle size to the nano scale has a strong impact on the chemical composition of nanocrystalline compounds, viz., it leads to the occurrence of or increase in nonstoichiometry. A conclusion is drawn that interplay between the particle size and nonstoichiometry is common to all solid nanocrystalline substances and should be taken into account in studies on the synthesis, structure and properties of these systems. The bibliography includes 260 references.
期刊介绍：
Russian Chemical Reviews serves as a complete translation of the esteemed monthly review journal Uspekhi Khimii, which has been a prominent figure in Russian scientific journals since its establishment in 1932. It offers comprehensive access to the advancements made by chemists from Russia and other former Soviet Union countries.
Established in 1932, Russian Chemical Reviews is committed to publishing timely and significant review articles encompassing various facets of modern chemistry, including chemical physics, physical chemistry, computational and theoretical chemistry, catalysis, coordination chemistry, analytical chemistry, organic, organometallic, and organoelement chemistry, chemistry of macromolecules, applied chemistry, biochemistry, bio-organic chemistry, biomolecular chemistry, medicinal chemistry, materials chemistry, nanochemistry, nanostructures, and environmental chemistry.
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