Nanocarbon-Enhanced 2D Photoelectrodes: A New Paradigm in Photoelectrochemical Water Splitting
Nanocarbon?Enhanced 2D Photoelectrodes: A New Paradigm in Photoelectrochemical Water Splitting
摘要
Abstract
Solar-driven photoelectrochemical (PEC) water splitting systems are highly promising for converting solar energy into clean and sustainable chemical energy. In such PEC systems, an integrated photoelectrode incorpo-rates a light harvester for absorbing solar energy, an inter-layer for transporting photogenerated charge carriers, and a co-catalyst for triggering redox reactions. Thus, under-standing the correlations between the intrinsic structural properties and functions of the photoelectrodes is crucial. Here we critically examine various 2D layered photoan-odes/photocathodes, including graphitic carbon nitrides,transition metal dichalcogenides, layered double hydroxides, layered bismuth oxyhalide nanosheets, and MXenes, combined with advanced nanocarbons (carbon dots, carbon nanotubes, graphene, and graphdiyne) as co-catalysts to assemble integrated photoelectrodes for oxygen evolution/hydrogen evolution reactions. The fundamental principles of PEC water splitting and physicochemical properties of photoelectrodes and the associated catalytic reactions are analyzed. Elaborate strategies for the assembly of 2D photoelectrodes with nanocarbons to enhance the PEC performances are introduced. The mechanisms of interplay of 2D photoelectrodes and nanocarbon co-catalysts are further discussed. The challenges and opportunities in the field are identified to guide future research for maximizing the conversion efficiency of PEC water splitting.关键词
Advanced nanocarbons/Co-catalysts/2D layered structure/Integrated photoelectrodes/Photoelectrochemical waters plittingKey words
Advanced nanocarbons/Co-catalysts/2D layered structure/Integrated photoelectrodes/Photoelectrochemical waters plitting引用本文复制引用
Jun Ke,Lecheng Lei,Yang Hou,Kostya Ostrikov,Fan He,Hui Wu,Siliu Lyu,Jie Liu,Bin Yang,Zhongjian Li,Qinghua Zhang,Jian Chen..Nanocarbon-Enhanced 2D Photoelectrodes: A New Paradigm in Photoelectrochemical Water Splitting[J].纳微快报（英文）,2021,13(2):45-73,29.基金项目
Y. Hou thanks the support from the National Natural Science Foundation of China (21878271, 51702284, 21878270, and 21961160742), the Zhejiang Provincial Natural Science Foundation of China (LR19B060002), the Fundamental Research Funds for the Central Universities, the Startup Foun-dation for Hundred-Talent Program of Zhejiang University, the Leading Innovative and Entrepreneur Team Introduction Program of Zhejiang (2019R01006), Key Laboratory of Marine Materials and Related Technologies, CAS, and Zhejiang Key Laboratory of Marine Materials and Protective Technologies (2020K10). J. Ke thanks the support of the NSFC 21501138, the Natural Sci-ence Foundation of Hubei Province (2019CFB556), and Sci-ence Research Foundation of Wuhan Institute of Technology (K2019039). K.O. thanks the Australian Research Council (ARC) and QUT Centre for Materials Science for partial support. （21878271, 51702284, 21878270, and 21961160742）
