Transition metal-doped titania inverse opals: Fabrication and characterization

被引：5
|
作者：
Ma, Yi [1 ,2 ]
Chen, Jian-Feng [1 ]
Ren, Yuan [2 ]
Tao, Xia [2 ]
机构：
[1] Beijing Univ Chem Technol, Res Ctr, Minist Educ High Grav Engn & Technol, Beijing 100029, Peoples R China
[2] Beijing Univ Chem Technol, Key Lab Nanomat, Minist Educ, Beijing 100029, Peoples R China
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2010年 / 370卷 / 1-3期
关键词：
Inverse opals; Titania; Transition metals; Sol-gel process; PHOTONIC CRYSTALS; PHOTOCATALYTIC ACTIVITY; OPTICAL-PROPERTIES; ANATASE NANORODS; SOLAR-CELLS; OXIDE; TIO2; FILMS; NANOPARTICLES; NANOTUBES;
D O I：
10.1016/j.colsurfa.2010.08.059
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：
Transition metal (Fe. Zn, and Cr)-doped titania inverse opals were prepared by infiltrating a mixed precursor composed of tetrabutyl titanate (TBOT) and metal nitrate in the voids of home-made monodispersed polystyrene sphere templates. All obtained products exhibited three-dimensionally ordered macroporous (3DOM) structure and homogeneous wall composition. Fe, Zn, and Cr with broad concentration domains ranging from 1% to 20% were dispersed into the titania inverse opal (TIO) framework while preserving their respective morphology feature. The macropore diameter and frame thickness of transition metal (TM)-doped TIOs are dependent on different metal species doped. The morphology, composition. and optical property of TM-doped TIOs were characterized by scanning electron microscopy, transmission electron microscopy, energy dispersive spectrometer. X-ray photoelectron spectroscopy. X-ray diffraction, and UV/vis absorption spectroscopy. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：129 / 135
页数：7
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