Selective Electron- or Hole-Transport Enhancement in Bulk-Heterojunction Organic Solar Cells with N- or B-Doped Carbon Nanotubes

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Doping improves performance. N- or B-doped carbon nanotubes (CNTs) uniformly dispersed in the active layer of P3HT/PCMB (poly (3-hexylthiophene/[6,6]-phenyl-C(61)-butyric acid methyl ester) bulk-heterojunction solar cells selectively enhance electron or hole transport and eventually help carrier collection. Specifically, the incorporation of 1.0 wt% B-doped CNTs results in balanced electron and hole transport and accomplishes a power conversion efficiency improvement from 3.0% (without CNTs) to 4.1%. [GRAPHICS] .
Publisher
WILEY-BLACKWELL
Issue Date
2011-02
Language
English
Article Type
Article
Keywords

POLYMER PHOTOVOLTAIC CELLS; COMPOSITES; DEVICES; ARRAYS; METHANOFULLERENE; GROWTH

Citation

ADVANCED MATERIALS, v.23, no.5, pp.629 - 629

ISSN
0935-9648
DOI
10.1002/adma.201003296
URI
http://hdl.handle.net/10203/99096
Appears in Collection
EE-Journal Papers(저널논문)MS-Journal Papers(저널논문)
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