Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/6671
Title: Low band-gap polymeric photovoltaic devices
Authors: Shaheen, S.E.
VANGENEUGDEN, Dirk 
KIEBOOMS, Rafael
VANDERZANDE, Dirk 
Fromherz, T.
Padinger, F.
Brabec, C.J.
Sariciftci, N.S.
Issue Date: 2001
Publisher: ELSEVIER SCIENCE SA
Source: Synthetic metals, 121(SI). p. 1583-1584
Abstract: We present results on photovoltaic devices based on novel thiophene-isothianaphthene copolymers (PDTI) with pi-pi* band-gaps ranging from 1.2 eV to 1.8 eV. Single-layer photovoltaic devices were fabricated from films of PDTI doped with a soluble fullerene derivative [6,6]-phenyl-C-61-butyric-acid-methyl-ester (PCBM) as the electron acceptor and blended into poly(methyl methacrylate) to enhance the film quality. These devices exhibit spectral response extending into the infrared and are better matched to the solar spectrum as compared to standard PPV based ones. Such low band-gap materials also make possible the construction of dye-sensitized photovoltaic devices that take advantage of energy transfer from high energy absorbing dyes to the host polymer.
Keywords: solar cells; poly (thiophene-isothianaphthene) copolymers; fullerenes and derivatives; low bandgap polymers; sensitization; organic semiconductors
Document URI: http://hdl.handle.net/1942/6671
ISSN: 0379-6779
e-ISSN: 0379-6779
DOI: 10.1016/S0379-6779(00)01501-0
ISI #: 000168831200229
Category: A1
Type: Journal Contribution
Appears in Collections:Research publications

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