期刊
JOURNAL OF APPLIED PHYSICS
卷 105, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3056386
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资金
- Ontario Centres of Excellence
- Agilent Technologies
Photovoltaic devices made from blends of poly(3,3'-didodecylquaterthiophene) (PQT-12) and [6,6]-phenyl C-61 butyric acid methyl ester have been fabricated and characterized. By varying the polymer loading in the blend, an optimal power conversion efficiency (PCE) of 0.70% has been achieved for a blend consisting of 15 wt % PQT-12, which is an order of magnitude higher than the PCE for a 50 wt % blend. The apparent reason for the large difference is the fact that blends with higher PQT-12 loading are transport limited, with much larger hole-to-electron mobility ratios. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3056386]
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