Chiral semiconductor frameworks from cadmium sulfide clusters

被引：100

作者：

Zhang, Qichun

Bu, Xianhui

Zhang, Jian

Wu, Tao

Feng, Pingyun ^{[1
]}

机构：

[1] Univ Calif Riverside, Dept Chem, Riverside, CA 92521 USA

[2] Calif State Univ Long Beach, Dept Chem & Biochem, Long Beach, CA 90840 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2007年 / 129卷 / 27期

关键词：

D O I：

10.1021/ja072274t

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Four helical semiconductor framework materials assembled from chalcogenide II-VI nanoclusters have been synthesized and characterized. These cadmium sulfide clusters form intertwined helical assemblies from helices of either the same handedness or the opposite handedness, resulting in the crystallization of cluster-decorated chiral quartz net and achiral moganite net. The UV-vis diffuse reflectance spectroscopy and the simultaneous TG-DSC analysis show that these helical materials are wide-gap semiconductors with band gap between 3.0 and 3.4 eV and are thermally stable up to about 300 degrees C.

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页码：8412 / +

页数：3

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