Hydrothermal synthesis of highly symmetric 26-facet Cu2O polyhedra

被引：15

作者：

Wang, Wei ^{[1
]}

Liao, Zhigang ^{[1
]}

Wang, Yi ^{[2
]}

Wu, Xiang ^{[1
]}

Qu, Fengyu ^{[1
]}

Zhang, Xu ^{[1
]}

机构：

[1] Harbin Normal Univ, Coll Chem & Chem Engn, Harbin 150025, Heilongjiang, Peoples R China

[2] Harbin Univ Sci & Technol, Sch Chem & Environm Engn, Harbin 150040, Heilongjiang, Peoples R China

来源：

CRYSTAL RESEARCH AND TECHNOLOGY | 2011年 / 46卷 / 03期

关键词：

cuprous oxide; 26-facet polyhedron; hydrothermal synthesis; CUPROUS-OXIDE; PHOTOCATALYTIC ACTIVITY; SHAPE EVOLUTION; MICROCRYSTALS; NANOPARTICLES; MORPHOLOGY;

D O I：

10.1002/crat.201000662

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Highly symmetric 26-facet polyhedral microcrystals of cuprous oxide (Cu2O) are successfully synthesized through a facile low temperature hydrothermal reaction. These polyhedra are constructed by well-developed {100}, {110} and {111} crystallographic faces. The obtained microstructures were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), and Ultraviolet-Visible (UV-Vis) absorption spectrum. Cetyltrimethyl ammonium bromide (CTAB) and ethylenediaminetetraacetic acid disodium (EDTA-2Na) have been confirmed to be necessary additives to the development of these perfect polyhedra. The growth process of the 26-facet Cu2O polyhedra is depicted on the grounds of the time-dependent experiments. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：300 / 304

页数：5

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