Biologically formed hollow cuprous oxide microspheres

被引：34

作者：

He, Wen ^{[1
]}

Tian, Xiuying ^{[1
]}

Du, Yi ^{[1
]}

Sun, Caiyun ^{[2
]}

Zhang, Xudong ^{[1
]}

Han, Xiuxiu ^{[1
]}

Han, Shanshan ^{[1
]}

Sun, Xianan ^{[1
]}

Du, Xiaoyong ^{[1
]}

Yue, Yuanzheng ^{[1
,3
]}

机构：

[1] Shandong Inst Light Ind, Sch Mat Sci & Engn, Key Lab Glass & Ceram Mat Shandong Prov, Jinan 250353, Peoples R China

[2] Shandong Univ, State Key Lab Microbial Technol, Jinan 250100, Peoples R China

[3] Univ Aalborg, Sect Chem, Dept Biotechnol Chem & Environm Engn, DK-9000 Aalborg, Denmark

来源：

MATERIALS SCIENCE & ENGINEERING C-MATERIALS FOR BIOLOGICAL APPLICATIONS | 2010年 / 30卷 / 05期

基金：

奥地利科学基金会;

关键词：

Biomimetic synthesis; X-ray diffraction; Hollow structure; Semiconducting materials; TOBACCO-MOSAIC-VIRUS; ONE-POT SYNTHESIS; CU2O; SPHERES; NANOPARTICLES; TEMPLATE; SILICA; PARTICLES; MESOPHASES; ROUTE;

D O I：

10.1016/j.msec.2010.03.010

中图分类号：

TB3 [工程材料学]; R318.08 [生物材料学];

学科分类号：

0805 ; 080501 ; 080502 ;

摘要：

Hollow cuprous oxide (Cu(2)O) microspheres with a diameter of ca. 1.81 mu m are prepared by using yeast as template. The possible mechanism for the formation of the hollow Cu(2)O spheres is revealed. The biotemplated sample is investigated by means of X-ray diffraction (XRD), scanning electron microscopy (SEM) and ultraviolet-visible (UV-vis) absorption spectra. The sample consists of the crystalline Cu(2)O microspheres with diameters of about 59.5 nm and lattice parameter of 4.264 angstrom. The observed optical band gap of the product indicates that the blue-shift effect occurs, which is attributed to the hollow Cu(2)O microspheres. Crown Copyright (c) 2010 Published by Elsevier B.V. All rights reserved.

引用

页码：758 / 762

页数：5

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