Modulating charge separation and transfer for high-performance photoelectrodes via built-in electric field  

作　　者：Houyan Cheng Peng Liu Yuntao Cui Ru Ya Yuxiang Hu Jinshu Wang 

机构地区：[1]Key Laboratory of Advanced Functional Materials of Education Ministry of China,Faculty of Engineering and Manufacturing,Beijing University of Technology,Beijing 100124,China [2]Key Laboratory of Cryogenic Science and Technology and Beijing Key Lab of Cryo-Biomedical Engineering,Technical Institute of Physics and Chemistry,Chinese Academy of Sciences,Beijing 100190,China [3]Inner Mongolia Academy of Science and Technology,Hohhot 010020,China

出　　处：《International Journal of Minerals,Metallurgy and Materials》2024年第5期1126-1146,共21页矿物冶金与材料学报（英文版）

基　　金：financially supported by the Industrial Technology Innovation Program of IMAST(No.2023JSYD 01003);the National Natural Science Foundation of China(Nos.52104292 and U2341209)。

摘　　要：Constructing a built-in electric field has emerged as a key strategy for enhancing charge separation and transfer,thereby improving photoelectrochemical performance.Recently,considerable efforts have been devoted to this endeavor.This review systematically summarizes the impact of built-in electric fields on enhancing charge separation and transfer mechanisms,focusing on the modulation of built-in electric fields in terms of depth and orderliness.First,mechanisms and tuning strategies for built-in electric fields are explored.Then,the state-of-the-art works regarding built-in electric fields for modulating charge separation and transfer are summarized and categorized according to surface and interface depth.Finally,current strategies for constructing bulk built-in electric fields in photoelectrodes are explored,and insights into future developments for enhancing charge separation and transfer in high-performance photoelectrochemical applications are provided.

关 键 词：photoelectrochemical water splitting bulk built-in electric field cation intercalation charge separation and transfer 

分 类 号：O643.36[理学—物理化学] O644.1[理学—化学] TQ116.2[化学工程—无机化工]