Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/9222
Title: Charge dissociation in polymer:fullerene bulk heterojunction solar cells with enhanced permittivity
Authors: Lenes, M.
Kooistra, F. B.
Hummelen, J. C.
VAN SEVEREN, Ineke 
LUTSEN, Laurence 
VANDERZANDE, Dirk 
CLEIJ, Thomas 
Blom, P. W. M.
Issue Date: 2008
Publisher: AMER INST PHYSICS
Source: JOURNAL OF APPLIED PHYSICS, 104(11)
Abstract: The dissociation efficiency of bound electron-hole pairs at the donor-acceptor interface in bulk heterojunction solar cells is partly limited due to the low dielectric constant of the polymer: fullerene blend. We investigate the photocurrent generation in blends consisting of a fullerene derivative and an oligo (oxyethylene) substituted poly(p-phenylenevinylene) (PPV) derivative with an enhanced relative permittivity of 4. It is demonstrated that in spite of the relatively low hole mobility of the glycol substituted PPV the increase in the spatially averaged permittivity leads to an enhanced charge dissociation of 72% for these polymer: fullerene blends. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.3039191]
Notes: [Lenes, M.; Kooistra, F. B.; Hummelen, J. C.; Blom, P. W. M.] Univ Groningen, Zernike Inst Adv Mat, NL-9747 AG Groningen, Netherlands. [Lenes, M.] Dutch Polymer Inst, NL-5600 AX Eindhoven, Netherlands. [Van Severen, I.; Vanderzande, D.; Cleij, T. J.] Hasselt Univ, Inst Mat Res, IMO, B-3590 Diepenbeek, Belgium. [Lutsen, L.; Vanderzande, D.] IMEC, Div IMOMEC, B-3590 Diepenbeek, Belgium.
Document URI: http://hdl.handle.net/1942/9222
ISSN: 0021-8979
e-ISSN: 1089-7550
DOI: 10.1063/1.3039191
ISI #: 000262364000158
Category: A1
Type: Journal Contribution
Validations: ecoom 2010
Appears in Collections:Research publications

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