3-D ordered macroporous cuprous oxide: Fabrication, optical, and photoelectrochemical properties

被引：41
作者：
Li, Xun
Tao, Feifei
Jiang, Yuan
Xu, Zheng [1 ]
机构：
[1] Nanjing Univ, State Key Lab Coordinat Chem, Jiangsu 210093, Peoples R China
[2] Nanjing Univ, Lab Solid State Microstruct, Sch Chem & Chem Engn, Jiangsu 210093, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2007年 / 308卷 / 02期
基金：
中国国家自然科学基金;
关键词：
cuprous oxide; macroporous; photonic stop band; photoelectrochemistry; visible light; reduction of oxygen; PHOTONIC CRYSTALS; ELECTROCHEMICAL DEPOSITION; GAS SENSORS; SOLAR-CELLS; ELECTRODEPOSITED CU2O; ANTIFOULING PAINT; REFRACTIVE-INDEX; INVERTED OPALS; THIN-FILMS; CUO FILMS;
D O I：
10.1016/j.jcis.2006.12.044
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Cuprous oxide 3-D ordered macroporous material was constructed by electrochemical deposition using a polystyrene colloidal crystal as template. The highly ordered macroporous structure with a hexagonal array can be extended over hundreds of square micrometers. The photonic stop bands of both the PS colloidal crystal and Cu2O 3DOM were found. Due to the highly ordered porous structure, the optical absorption and the charge carrier transportation are better in Cu2O 3DOM than in bulk Cu2O, which makes the reduction of oxygen faster on Cu2O 3DOM than on bulk Cu2O under visible light illumination. The higher photocurrent efficiency under visible light illumination makes the 3DOM Cu2O more suitable for solar applications. (c) 2006 Elsevier Inc. All rights reserved.
引用
收藏
页码：460 / 465
页数：6
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