investigation of annealing and blend concentration effects of organic solar cells composed of small organic dye and fullerene derivative
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ID: 183440
2011
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Abstract
We have fabricated bulk heterojunction organic solar cells using coumarin 6 (C6) as a small organic dye, for light harvesting and electron donation, with fullerene derivative [6,6]-phenyl-C61 butyric acid methyl ester (PCBM), acting as an electron acceptor, by spin-coating technique. We have investigated thermal annealing and blend concentration effects on light harvesting, photocurrent, and performance parameters of the solar cells. In this work, we introduced an experimental method by which someone can easily detect the variation in the contact between active layer and cathode due to thermal annealing after cathode deposition. We have showed, in this work, unusual behavior of solar cell composed of small organic molecules under the influence of thermal annealing at different conditions. This behavior seemed uncommon for polymer solar cells. We try from this work to understand device physics and to locate a relationship between production parameters and performance parameters of the solar cell based on small organic molecules.
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ismail2011advancesinvestigation
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| Authors | ;Yasser A. M. Ismail;Tetsuo Soga;Takashi Jimbo |
| Journal | rural and remote health |
| Year | 2011 |
| DOI |
10.1155/2011/106276
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| URL | |
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