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	Imaging photogenerated charge carriers on surfaces and interfaces of photocatalysts with surface photovoltage microscopy
	Chen, Ruotian1,2; Fan, Fengtao1; Dittrich, Thomas3; Li, Can1
刊名	Chemical society reviews
	2018-11-21
卷号	47期号:22页码:8238-8262
ISSN号	0306-0012
DOI	10.1039/c8cs00320c
通讯作者	Fan, fengtao(ftfan@dicp.ac.cn) ; Dittrich, thomas(dittrich@helmholtz-berlin.de) ; Li, can(canli@dicp.ac.cn)
英文摘要	Understanding photogenerated charge separation on the nano- to micrometer scale is the key to optimizing the photocatalytic solar energy conversion efficiency. in the past few years, spatially resolved surface photovoltage (spv) techniques have opened up new opportunities to directly image localized charge separation at surfaces or interfaces of photocatalysts and thus provided deep insights into the understanding of photocatalysis. in this review, we reviewed the spv techniques, in particular kelvin probe force microscopy (kpfm) based spatially resolved spv techniques and their applications in charge separation imaging. the spv principle was explained with regard to charge separation across a space charge region (scr) in a depletion layer at a semiconductor surface and to diffusion. the center of charge approach, relaxation of spv signals and measurement of spv signals including spv transients with fixed capacitors were described. then, we highlighted the fundamental principle and development of the spatially resolved spv technique and its application in photocatalysis. important progress made by the spatially resolved spv technique in this group is given, focusing on understanding the nature of charge separation and providing insights into the rational design of highly efficient photocatalytic systems. finally, we discuss the prospects of further developments of the spatially resolved spv technique that would help in understanding photocatalysis for solar energy conversion with high temporal resolution and operated under in operando conditions.
WOS关键词	PROBE FORCE MICROSCOPY ; CDSE QUANTUM DOTS ; VISIBLE-LIGHT IRRADIATION ; ANATASE TIO2 ; Z-SCHEME ; ARTIFICIAL PHOTOSYNTHESIS ; ELECTRIC-FIELDS ; WATER OXIDATION ; EFFICIENT PHOTOCATALYSTS ; SEMICONDUCTOR SURFACES
WOS研究方向	Chemistry
WOS类目	Chemistry, Multidisciplinary
语种	英语
出版者	ROYAL SOC CHEMISTRY
WOS记录号	WOS:000449968700003
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2373109
专题	大连化学物理研究所
通讯作者	Fan, Fengtao; Dittrich, Thomas; Li, Can
作者单位	1.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Collaborat Innovat Ctr Chem Energy Mat IChEM, State Key Lab Catalysis,Dalian Inst Chem Phys, Zhongshan Rd 457, Dalian 116023, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Helmholtz Zentrum Berlin Mat & Energie GmbH, Inst Silizium Photovolta, Kekulestr 5, D-12489 Berlin, Germany
推荐引用方式 GB/T 7714	Chen, Ruotian,Fan, Fengtao,Dittrich, Thomas,et al. Imaging photogenerated charge carriers on surfaces and interfaces of photocatalysts with surface photovoltage microscopy[J]. Chemical society reviews,2018,47(22):8238-8262.
APA	Chen, Ruotian,Fan, Fengtao,Dittrich, Thomas,&Li, Can.(2018).Imaging photogenerated charge carriers on surfaces and interfaces of photocatalysts with surface photovoltage microscopy.Chemical society reviews,47(22),8238-8262.
MLA	Chen, Ruotian,et al."Imaging photogenerated charge carriers on surfaces and interfaces of photocatalysts with surface photovoltage microscopy".Chemical society reviews 47.22(2018):8238-8262.

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