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	Solvothermal synthesis of grain size controlled nanocrystalline SnO2
	Xu Gang ; Xu Sheng-ming ; Chen Song-zhe ; Wu Fang ; Li Lin-yan
	2010-05-10 ; 2010-05-10
会议名称	TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA ; 5th International Forum on Advanced Material Science and Technology ; Zhangxiajie, PEOPLES R CHINA ; Web of Science
关键词	SnO2 solvothermal synthesis nanocrystalline particle TIN OXIDE OXIDATION FILMS Metallurgy & Metallurgical Engineering
中文摘要	Uniform nanocrystalline SnO2 with different particle sizes was prepared by a solvothermal method using SnCl4 center dot 5H(2)O as the starting material and ethanol as the solvent in the presence of different concentrations of HCl or KOH. The as-prepared powders were characterized by X-ray diffraction(XRD), transmission electron microscopy(TEM), thermo-gravimetry and differential thermal analysis(TG-DTA), and nitrogen BET measurements. With increasing alkalinity of the precursor solution, the crystallite size of the as-prepared SnO2 nanocrystals decreases from 7.1 nm to 3.2 nm, while the specific surface area of the as-prepared powders increases from 101 m(2)/g to 195 m2/g. When calcined at 500 degrees C for 2 h in air, the crystallite size of the as-calcined powders increases slightly (12-5.9 nm) and the specific surface area of the as-calcined powders is 42-63 m(2)/g.
会议录出版者	ALLERTON PRESS INC ; NEW YORK ; 18 WEST 27TH ST, NEW YORK, NY 10001 USA
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/18833]
专题	清华大学
推荐引用方式 GB/T 7714	Xu Gang,Xu Sheng-ming,Chen Song-zhe,et al. Solvothermal synthesis of grain size controlled nanocrystalline SnO2[C]. 见:TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA, 5th International Forum on Advanced Material Science and Technology, Zhangxiajie, PEOPLES R CHINA, Web of Science.

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