L. O. Kozlova, I. L. Voroshilov, Yu. V. Ioni, A. G. Son, A. S. Popova, I. V. Kozerozhets
{"title":"Low-Temperature Synthesis of Highly Dispersed Calcium Aluminate","authors":"L. O. Kozlova, I. L. Voroshilov, Yu. V. Ioni, A. G. Son, A. S. Popova, I. V. Kozerozhets","doi":"10.1134/s0036023624601077","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>A new approach to prepare highly dispersed calcium aluminate at temperatures from 900°C with desired properties (bulk density starting from 0.015 g/cm<sup>3</sup>, particle size falling in the range of 7–42 nm) is described, which consists of step-by-step heat treatment of a concentrated aqueous solution of Al(NO<sub>3</sub>)<sub>3</sub>, Ca(NO<sub>3</sub>)<sub>2</sub>, and C<sub>6</sub>H<sub>8</sub>O<sub>7</sub> in the molar ratio CaO : Al<sub>2</sub>O<sub>3</sub> = 1 : 2. The main stages of the synthesis are studied by X-ray powder diffraction, IR spectroscopy, as well as scanning and transmission electron microscopies. The highly dispersed calcium aluminate obtained using the developed approach has pronounced luminescent properties.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"6 1","pages":""},"PeriodicalIF":1.8000,"publicationDate":"2024-08-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Russian Journal of Inorganic Chemistry","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1134/s0036023624601077","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}
引用次数: 0
Abstract
A new approach to prepare highly dispersed calcium aluminate at temperatures from 900°C with desired properties (bulk density starting from 0.015 g/cm3, particle size falling in the range of 7–42 nm) is described, which consists of step-by-step heat treatment of a concentrated aqueous solution of Al(NO3)3, Ca(NO3)2, and C6H8O7 in the molar ratio CaO : Al2O3 = 1 : 2. The main stages of the synthesis are studied by X-ray powder diffraction, IR spectroscopy, as well as scanning and transmission electron microscopies. The highly dispersed calcium aluminate obtained using the developed approach has pronounced luminescent properties.
期刊介绍：
Russian Journal of Inorganic Chemistry is a monthly periodical that covers the following topics of research: the synthesis and properties of inorganic compounds, coordination compounds, physicochemical analysis of inorganic systems, theoretical inorganic chemistry, physical methods of investigation, chemistry of solutions, inorganic materials, and nanomaterials.
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