In situ encapsulation of Au nanoparticles in mesoporous core-shell TiO2 microspheres with enhanced activity and durability

被引：114

作者：

Bian, Zhenfeng ^{[2
]}

Zhu, Jian ^{[2
]}

Cao, Fenglei ^{[2
]}

Lu, Yunfeng ^{[1
]}

Li, Hexing ^{[2
]}

机构：

[1] Univ Calif Los Angeles, Chem & Biomol Engn Dept, Los Angeles, CA 90095 USA

[2] Shanghai Normal Univ, Dept Chem, Shanghai, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2009年 / 25期

基金：

中国国家自然科学基金;

关键词：

PHOTOCATALYTIC ACTIVITY; SUPERCRITICAL CONDITIONS; TITANIA SPHERES; OXIDATION; NANOCOMPOSITES; RESONANCE; CATALYSTS; ANATASE; FILMS; SIZE;

D O I：

10.1039/b906421d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An active and durable Au/TiO2 photocatalyst was prepared by in situ encapsulation of Au particles into core-shell TiO2 spheres based on consecutive solvothermal and hydrothermal treatments.

引用

页码：3789 / 3791

页数：3

共 32 条

[1] Visible-light photocatalysis in nitrogen-doped titanium oxides
Asahi, R
Morikawa, T
Ohwaki, T
Aoki, K
Taga, Y
[J]. SCIENCE, 2001, 293 (5528) : 269 - 271
[2] 3-D molecular assembly of function in titania-based composite material systems
Bartl, MH
Boettcher, SW
Frindell, KL
Stucky, GD
[J]. ACCOUNTS OF CHEMICAL RESEARCH, 2005, 38 (04) : 263 - 271
[3] Preparation and formation mechanism of porous TiO2 films using PEG and alcohol solvent as double-templates
Bu, SJ
Jin, ZG
Liu, XX
Du, HY
Cheng, ZJ
[J]. JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 2004, 30 (03) : 239 - 248
[4] Titanium dioxide nanomaterials: Synthesis, properties, modifications, and applications
Chen, Xiaobo
Mao, Samuel S.
[J]. CHEMICAL REVIEWS, 2007, 107 (07) : 2891 - 2959
[5] Fujishima A., 2000, J PHOTOCHEM PHOTOB C, V1, P1, DOI DOI 10.1016/S1389-5567(00)00002-2
[6] Chemical state and environment of boron dopant in B,N-codoped anatase TiO2 nanoparticles:: An avenue for probing diamagnetic dopants in TiO2 by electron paramagnetic resonance spectroscopy
Gopal, Neeruganti O.
Lo, Hsin-Hsi
Ke, Shyue-Chu
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008, 130 (09) : 2760 - +
[7] Highly active La2O3/Ti1-xBxO2 visible light photocatalysts prepared under supercritical conditions
Huo, Yuning
Zhang, Xinyu
Jin, Yi
Zhu, Jian
Li, Hexing
[J]. APPLIED CATALYSIS B-ENVIRONMENTAL, 2008, 83 (1-2) : 78 - 84
[8] Review of photoluminescence performance of nano-sized semiconductor materials and its relationships with photocatalytic activity
Jing Liqiang
Qu Yichun
Wang Baiqi
Li Shudan
Jiang Baojiang
Yang Libin
Fu Wei
Fu Honggang
Sun Jiazhong
[J]. SOLAR ENERGY MATERIALS AND SOLAR CELLS, 2006, 90 (12) : 1773 - 1787
[9] Photophysical, photochemical and photocatalytic aspects of metal nanoparticles
Kamat, PV
[J]. JOURNAL OF PHYSICAL CHEMISTRY B, 2002, 106 (32) : 7729 - 7744
[10] Size-controlled interparticle charge transfer between TiO2 and quantized capacitors
Kim, Junhyung
Lee, Dongil
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2007, 129 (25) : 7706 - +

← 1 2 3 4 →