Donor–Acceptor Alternating Copolymer Nanowires for Highly Efficient Organic Solar Cells
POLYTHIOPHENE
SOLVENT ADDITIVES
RECOMBINATION
self-assembly
02 engineering and technology
AGGREGATION
PERFORMANCE
01 natural sciences
7. Clean energy
0104 chemical sciences
polymer materials
nanowires
MOBILITY
solar cells
CHARGE-TRANSPORT
MORPHOLOGY
FIELD-EFFECT TRANSISTORS
0210 nano-technology
CONJUGATED POLYMERS
DOI:
10.1002/adma.201401203
Publication Date:
2014-07-30T07:15:25Z
AUTHORS (7)
ABSTRACT
A donor-acceptor conjugated copolymer enables the formation of nanowire systems that can be successfully introduced into bulk-heterojunction organic solar cells. A simple binary solvent mixture that makes polarity control possible allows kinetic control over the self-assembly of the crystalline polymer into a nanowire structure during the film-forming process. The enhanced photoconductivity of the nanowire-embedded photoactive layer efficiently facilitates photon harvesting in the solar cells. The resultant maximum power conversion efficiency is 8.2% in a conventional single-cell structure, revealing a 60% higher performance than in devices without nanowires.
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CITATIONS (67)
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