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学科主题: 物理化学
题名: Shape-Controlled Copper Selenide Nanocubes Synthesized by an Electrochemical Crystallization Method
作者: Yu R(于睿) ;  Ren T(任通) ;  Sun KJ(孙科举) ;  Feng ZC(冯兆池) ;  Li GN(李冠娜) ;  Li C(李灿)
会议名称: 第十三届亚洲化学会
会议日期: 2009-9-13
出版日期: 2009-09-13
会议地点: China
通讯作者: 李灿
部门归属: 五室
主办者: Chinese Chemical Society
摘要: The synthesis of inorganic nanocrystals (NCs) with well-defined shapes has attracted much attention due to the strong correlation between the shapes and the properties, such as physical, chemical, electronic, optical, magnetic, and catalytic properties.1 In this work, we synthesized nanocubes of copper selenide (Cu2-xSe) through an electrochemical crystallization method using cetyltrimethylammonium bromide (CTAB) as the structure directing agent.2 The shapes of Cu2-xSe nanocubes can be controlled by the adsorption effect of CTA+ hydrocarbon chain and Br- ion on the facets of the Cu2-xSe crystals. First-principle quantum chemical calculations indicate that the preferential adsorption of bromide onto the {100} facets of Cu2-xSe crystals results in the final cubic shape. Raman spectra have been successfully obtained from the copper selenides products. The Raman band centered at 258 cm-1 of the as-grown product shifts to higher frequencies as the temperature increases.
语种: 中文
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/113822
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Yu R,Ren T,Sun KJ,et al. Shape-Controlled Copper Selenide Nanocubes Synthesized by an Electrochemical Crystallization Method[C]. 见:第十三届亚洲化学会. China. 2009-9-13.
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