异质结
光催化
兴奋剂
制氢
光电流
材料科学
纳米-
肖特基势垒
X射线光电子能谱
热液循环
化学工程
氢
纳米技术
光电子学
化学
复合材料
催化作用
二极管
有机化学
工程类
生物化学
作者
Jiaqi Pan,Zongjun Dong,Beibei Wang,Ziyuan Jiang,Chuang Zhao,Jingjing Wang,Changsheng Song,Yingying Zheng,Chaorong Li
标识
DOI:10.1016/j.apcatb.2018.09.079
摘要
The Ti3+ self-doping B-TiO2/g-C3N4 hollow core-shell nano-heterojunction is synthesized via the continuous hydrothermal deposition and sculpture-reduction processes. The results of SEM, XRD, TEM, XPS and FT-IR imply that the B-TiO2/g-C3N4 hollow core-shell nanospheres have been prepared successfully. The photocatalytic activity of the B-TiO2/g-C3N4 nano-heterojunctions remarkably exhibits an enhancement of 18 times and 65 times than that of normal TiO2 and g-C3N4, respectively. Further, the photocatalytic process and the mechanism of the photocatalytic hydrogen production enhancement have been studied, which could be ascribed to the Ov-Ti3+ in the B-TiO2 and interface nano-heterojunction, that have been proved by the transient photocurrent, PL, EIS and Mott-Schottky plots.
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