Facile fabrication of heterostructured TiO2-xNx/CNFs as an efficient visible-light responsive photocatalyst

被引：21
|
作者：
Teng, Donghua [1 ]
Yu, Yunhua [1 ]
Liu, Haiyang [1 ]
Yang, Xiaoping [1 ]
Ryu, Seungkon [2 ]
Lin, Yuanhua [3 ]
机构：
[1] Beijing Univ Chem Technol, Key Lab Beijing City Preparat & Proc Novel Polyme, Coll Mat Sci & Engn, Beijing 100029, Peoples R China
[2] Chungnam Natl Univ, Dept Chem Engn, Taejon 305764, South Korea
[3] Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2009年 / 10卷 / 05期
基金：
国家高技术研究发展计划(863计划);
关键词：
TiO2-xNx/CNFs; Heterostructured photocatalyst; Electrospinning; NH4OH pretreatment; Carbonization; CARBON NANOFIBERS; TIO2; PHOTOCATALYSTS; DEGRADATION; TITANIA;
D O I：
10.1016/j.catcom.2008.10.027
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：
A novel TiO2-xNx/CNFs heterostructured photocatalyst was facilely fabricated by stabilization, NH4OH pretreatment and carbonization of electrospun TiO(OAc)(2)/PAN hybrid nanofibers. The uniformly aligned CNFs were interspersed with 25 wt% of anatase TiO2-xNx nanoparticles, in which the x value or doped N atomic ratio was similar to 0.52%. The TiO2-xNx/CNFs had a considerable surface area of 130 m(2)/g and extraordinary mesoporous morphology. Owing to the synergistic effect between high adsorption capacity of CNFs and excellent vis-photocatalytic activity of TiO2-xNx nanoparticles, the TiO2-xNx/CNFs showed higher photocatalytic efficiency than referenced TiO2/CNFs and TiO2-xNx powders. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：442 / 446
页数：5
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