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Preparation of ITO nano-powders by hydrothermal-calcining process

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【Author】 GU Ying-ying~1, QIN Li-ping~1, LIU Xue-ying~ 1,2 (1. School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China;2. Guangxi University of Technology, Liuzhou 545006, China)

【机构】 School of Chemistry and Chemical Engineering Central South University； School of Chemistry and Chemical Engineering； Central South University； Changsha 410083； China； China； Guangxi University of Technology； Liuzhou 545006；

【Abstract】 Sn-doped In₂O₃（ITO） nano-powders were prepared by hydrothermal-calcining process. Using SnCl₄·5H₂O and In as starting materials, the crystallites were characterized by XRD, TEM and BET. The effects of the conditions on the product were investigated. The results show that the phase of hydrothermal precursor obtained by hydrothermal process is related to the temperature of hydrothermal reaction, i.e., the phases are amorphous In（OH）₃ in 160-180℃; In（OH）₃ crystal in 200℃ and （In1-x Sn_x）OOH crystal in 200-300℃. ITO nano-powders with hexagonal structure and average size of 65 nm are obtained by calcining the precursor derived from the hydrothermal process at 350-650℃. The BET of ITO crystal can reach 84.0234m²·g-1 .更多还原

【关键词】 ITO； hydrothermal-calcining process； hexagonal structure；
【Key words】 ITO； hydrothermal-calcining process； hexagonal structure；

【基金】 Project(2001BA901A09) supported by the National Western Development and Technique Foundation during the 10thFive-Year Plain Period

【文献出处】 Journal of Central South University of Technology(English Edition) ,中南工业大学学报(英文版) , 编辑部邮箱 ,2006年04期

【分类号】O471
【被引频次】2
【下载频次】41

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