Novel rosette-shaped CdS microparticle with high surface area fabricated by lyotropic liquid crystal templating

被引：7
作者：
Im, SJ
Chae, WS
Lee, SW
Kim, YR [1 ]
机构：
[1] Yonsei Univ, Dept Chem, Seoul 120749, South Korea
[2] Yonsei Univ, Photon Appl Funct Mol Res Lab, Seoul 120749, South Korea
来源：
MATERIALS RESEARCH BULLETIN | 2006年 / 41卷 / 04期
关键词：
semiconductors; chalcogenides; nanostructures; chemical synthesis; optical properties;
D O I：
10.1016/j.materresbull.2005.09.023
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Semiconductor US microparticle covered with wrinkle-like nanotexture was prepared under ambient condition by using the lyotropic liquid crystal mesophase as a structural template. The prepared US microparticle resembles a rosette shape with a diameter of 0.5-1.5 mu m and the wrinkle-like nanotexture on its surface. This rosette-shaped US consists of small nanocrystals with a diameter of similar to 4 nm, and the nanocrystal building block has the zinc-blende crystal structure. The characteristic band-to-band absorption and near band-edge emission are observed in this unique semiconductor particle. Nitrogen gas physisorption measurement reveals that the material has the high BET surface area of 38 m(2) g(-1)and nanoporous nature. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：899 / 904
页数：6
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