分解水
异质结
材料科学
二氧化钛
带隙
兴奋剂
太阳能
光电化学电池
半导体
能量转换
载流子
电极
光电化学
纳米技术
电解质
光电子学
光催化
电化学
化学
物理化学
催化作用
物理
电气工程
工程类
热力学
冶金
生物化学
作者
Zhongrui Yu,Haobo Liu,Mingyuan Zhu,Ying Li,Wenxian Li
出处
期刊:Small
[Wiley]
日期:2019-10-28
卷期号:17 (9)
被引量:88
标识
DOI:10.1002/smll.201903378
摘要
Abstract 1D nanostructured photoelectrodes are promising for application as photoelectrochemical (PEC) devices for solar energy conversion into hydrogen (H 2 ) owing to the optical, structural, and electronic advantages. Titanium dioxide (TiO 2 ) is the most investigated candidate as a photoelectrode due to its good photostability, low production cost, and eco‐friendliness. The obstacle for TiO 2 's practical application is the inherent wide bandgap (UV‐lights response), poor conductivity, and limited hole diffusion length. Here, a comprehensive review of the current research efforts toward the development of 1D TiO 2 based photoelectrodes for heterogeneous PEC water splitting is provided along with a discussion of nanoarchitectures and energy band engineering influences on interfacial charge transfer and separation of 1D TiO 2 composited with different dimensional photoactive materials. The key focus of this review is to understand the charge transfer processes at interfaces and the relationship between photogenerated charge separation and photoelectrochemical performance. It is anticipated that this review will afford enriched information on the rational designs of nanoarchitectures, doping, and heterojunction interfaces for 1D TiO 2 based photoelectrodes to achieve highly efficient solar energy conversion.
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