Yu Huang-Zhong and Peng Jun-Biao 2008 Chinese Phys. Lett. 25 1411 doi:10.1088/0256-307X/25/4/067
Yu Huang-Zhong1,2 and Peng Jun-Biao1
Show affiliationsPolymer photovoltaic devices based on poly(3-hexylthiophene) (P3HT) : [6,6]-phenyl-C61-butyricacid methyl ester (PCBM) 1:1 weight-ratio blend are reported. The effects of various annealing treatments on the device performance are investigated. Thermal annealing shows significant improvement of the device performances. For devices at 130°C annealing, maximum power conversion efficiency (PCE) of 3.3% and fill factor up to 60.3% is achieved under air mass 1.5, 100 mW/cm2 illumination. We discuss the effect of thermal annealing by the results of ultraviolet-visible absorption spectroscopy (UV-vis), dark current-voltage curve, atomic force microscopy (AFM).
78.40.Me Organic compounds and polymers
72.80.Le Polymers; organic compounds (including organic semiconductors)
84.60.Jt Photoelectric conversion: solar cells and arrays
Soft matter, liquids and polymers
Condensed matter: electrical, magnetic and optical
Issue 4 (April 2008)
Received 7 November 2007
Yu Huang-Zhong and Peng Jun-Biao 2008 Chinese Phys. Lett. 25 1411
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