An Efficient Route to Prepare Metal Organosols by Phase Transfer Procedure

Silver and gold organosols are easily prepared by transferring nanoparticles from aqueous phase into isooctane with high efficiency (＞90%). Concentrations of sodium oleate and magnesium chloride have crucial effects on the transfer efficiency. Based on the UV-visible absorption spectra, TEM micrographs of nanoparticles, as well as molecular modeling calculation about the adsorption conformation of sodium oleate molecules, a possible phase transfer mechanism is proposed.

作 者： Ji Kuan ZHAO Xiao chen Chun Jie YANG Zhen Ming SUI Yong Cun CHAI Guo Dong ZHANG Jie LIU   作者單位： Key Laboratory of Colloid and Interface Chemistry Shandong University, Ministry of Education, Jinan 250100  刊 名： 中國化學快報（英文版）  ISTIC SCI 英文刊名： CHINESE CHEMICAL LETTERS  年，卷(期)： 2005 16(4)  分類號：   關鍵詞： Nanoparticles   organosol   phase transfer   sodium oleate  

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