Influence of Solution Concentration and Annealed Time on P3HT:PCBM Film Device Performance

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Abstract:

The J-V curve measurment and AFM technology were applied to study the relationship between P3HT:PCBM heterojunction film solar cell devices photovoltics parameter and blend solution concentration and annealed time of this device. The Voc, Jsc, FF and PCE of device were obtained from the device prepared by three blend solution concentration respectively. Data show that with increasing solution concentration PCE of solar cell device do not always improve and it achieves maximum when concentration is 20 mg/mL. Result indicates that only when solar cell device has active layer with proper thickness its performance will achieve the best effect. Additionally, photovoltaic parameters from four sample prepared by different annealed time were obtained also. Results indicate that the device with proper annealed time of 20 min at 130°C can achieve the best effect.

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Advanced Materials Research (Volumes 785-786)

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803-807

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September 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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