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	Passivation of nanocrystalline TiO2 junctions by surface adsorbed phosphinate amphiphiles enhances the photovoltaic performance of dye sensitized solar cells
	Wang, Mingkui ; Li, Xin ; Lin, Hong ; Pechy, Peter ; Zakeeruddin, Shaik M. ; Graetzel, Michael
	2010-10-12 ; 2010-10-12
关键词	BAND-EDGE MOVEMENT CHARGE RECOMBINATION TRANSPORT COADSORBENT ELECTRODES EFFICIENCY CONVERSION MOLECULES DESIGN ACIDS Chemistry, Inorganic & Nuclear
中文摘要	We report a new class of molecular insulators that electronically passivate the surface of nanocrystalline titania films for high performance dye sensitized solar cells (DSC). Using electrical impedance measurements we demonstrate that co-adsorption of dineohexyl bis-(3,3-dimethyl-butyl)-phosphinic acid (DINHOP), along with the amphiphilic ruthenium sensitizer Z907Na increased substantially the power output of the cells mainly due to a retardation of interfacial recombination of photo-generated charge carriers. The use of phosphinates as anchoring groups opens up new avenues for modification of the surface by molecular insulators, sensitizers and other electro-active molecules to realize the desired optoelectronic performance of devices based on oxide junctions.
语种	英语 ; 英语
出版者	ROYAL SOC CHEMISTRY ; CAMBRIDGE ; THOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLAND
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/78384]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, Mingkui,Li, Xin,Lin, Hong,et al. Passivation of nanocrystalline TiO2 junctions by surface adsorbed phosphinate amphiphiles enhances the photovoltaic performance of dye sensitized solar cells[J],2010, 2010.
APA	Wang, Mingkui,Li, Xin,Lin, Hong,Pechy, Peter,Zakeeruddin, Shaik M.,&Graetzel, Michael.(2010).Passivation of nanocrystalline TiO2 junctions by surface adsorbed phosphinate amphiphiles enhances the photovoltaic performance of dye sensitized solar cells..
MLA	Wang, Mingkui,et al."Passivation of nanocrystalline TiO2 junctions by surface adsorbed phosphinate amphiphiles enhances the photovoltaic performance of dye sensitized solar cells".(2010).

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