Polymeric carbon nitride coated Nb-TiO2 nanorod arrays with enhanced photoelectrocatalytic activity under visible light irradiation

被引：10
|
作者：
Liu, Yushan [1 ]
Wang, Peifang [1 ]
Wang, Chao [1 ]
Ao, Yanhui [1 ]
机构：
[1] Hohai Univ, Coll Environm, Minist Educ, Key Lab Integrated Regulat & Resource Dev Shallow, Nanjing 210098, Jiangsu, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2019年 / 101卷
基金：
中国国家自然科学基金;
关键词：
Semiconductors; Nanocomposites; Heterojunction; TiO2; G-C3N4; Photoelectrocatalysis; NANOPARTICLES; EFFICIENCY; REDUCTION; EVOLUTION; CATALYST;
D O I：
10.1016/j.inoche.2018.12.017
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
In this work, the visible light responsive photoelectrocatalytic performance of titanium dioxide nanorod arrays (TiO2-NRs) were improved by the synergetic effect of heterojunction construction and doping strategy. First of all, the conductivity of TiO2-NRs was improved by niobium doping. The photocurrent of doped sample was 1.39 times larger than that of the pristine TiO2-NRs under UV light. On this basis, g-C3N4 was coated onto the niobium doped TiO2-NRs and induced to significant enhanced photoelectrochemical performance under visible light irradiation. The optimal Nb-TiO2/g-C3N4 photoanode generated a photocurrent of 9.33 mA, which was about 19.04 times as that of the Nb-TiO2 nanorod.
引用
收藏
页码：113 / 116
页数：4
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