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《Journal of Synthetic Crystals》 2009-05
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Study on Size Modulation Effects of Ethanol/Water System and Molten Salts Media in Preparing ZnO Nanoparticles

FENG Xin1,SHI Li-yi1,2,SHI Wen1,ZHANG Jian-ping2,FANG Jian-hui2,MA Shu-rui2 (1.Nano-Science and Technology Research Center,Shanghai University,Shanghai 200444,China;2.Department of Chemistry,College of Science,Shanghai University,Shanghai 200444,China)  
ZnO nanoparticles were synthesized by liquid phase method. The size control effects of Ethanol/Water solvents used in precipitation and the molten alkali salts in calcination were investigated. The products were charaterized by XRD,TEM,BET and PL. The results indicated that particle size decreased in the assisted calcination with NaNO3 and LiNO3 salts. With the same addition amount,the particle size obtained with LiNO3 was smaller than the former. And the size decreased obviously when the ratio of ethanol to water changed from 1∶1 to 3∶1. Finally,the mechanisms of ethanol/water mixed system and molten salts media were also disscussed.
【Fund】: 国家高技术研究发展计划(863)项目(No.2007AA03Z335);; 上海市科委学科带头人计划(No.07XD14014);; 上海高校选拔培养优秀青年教师科研专项基金(No.SHU-07051);; 教育部科学技术研究重点项目(No.208182)
【CateGory Index】: TB383.1
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