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Simultaneous Study of Exciton Diffusion/Dissociation and Charge Transport in a Donor‐Acceptor Bilayer: Pentacene on a C 60 ‐terminated Self‐Assembled Monolayer
Author(s) -
Park Byoungnam,
Cho Seong Eun,
Kim Youngjun,
Lee Won Jin,
You NamHo,
In Insik,
Reichmanis Elsa
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201302934
Subject(s) - materials science , pentacene , monolayer , exciton , bilayer , acceptor , self assembled monolayer , organic semiconductor , dissociation (chemistry) , optoelectronics , organic electronics , organic solar cell , diffusion , chemical physics , nanotechnology , voltage , membrane , polymer , chemistry , condensed matter physics , biochemistry , physics , layer (electronics) , thin film transistor , thermodynamics , transistor , quantum mechanics , composite material
In‐situ photoinduced threshold voltage measurement is a sensitive probe for exploring charge transport and exciton diffusion simultaneously, the main determinants of the power conversion efficiency in organic photovoltaic devices. The exciton diffusion length in a pentacene film deposited onto a C 60 ‐terminated self‐assembled monolayer is measured. The methodology and analysis presented here can be applied in the design and engineering of electron/donor acceptor interfaces for photovoltaic devices..
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