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Device Performance of P3HT/C70-Methanofullerene Bulk-Heterojunction Polymer Photovoltaic Cells

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Abstract:

In order to more improve the performance of the existing P3HT:C60 polymer photovoltaic cells, we adopted soluble C70 insteade of C60. The absorption spectra of soluble C70 showed a significant increase of visible range absorption, resulting in the enhanced photocurrent. To optimize the device fabrication, we controlled the solvent, concentration of polymer solution and the thickness of photo-active layer. The best power conversion efficiency obtained in our P3HT:C70 photovoltaic cells was about 3.0 % under AM 1.5G condition.

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Periodical:

Solid State Phenomena (Volumes 124-126)

Pages:

935-938

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.124-126.935

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Online since:

June 2007

Authors:

Hee Joo Kim, Kyung Lee, Jong Cheol Lee, Sang Jin Moon

Keywords:

Bulk-Heterojunction, C70-Methanofullerene, Polymer Photovoltaic Cells

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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