Improvement of the performance of inverted polymer solar cells with a fluorine-doped tin oxide electrode
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| Title: | Improvement of the performance of inverted polymer solar cells with a fluorine-doped tin oxide electrode |
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| Authors: | Kim, Jae-Ryoung1, Cho, Jung Min1, Lee, A-Rum1, Chae, Eun Ah1, Park, Jin-Uk1, Byun, Won-Bae1, Lee, Sang Kyu1, Lee, Jong-Cheol1, So, Won-Wook1, Yoo, Seunghyup2, Moon, Sang-Jin1, Shin, Won Suk1 shinws@krict.re.kr |
| Source: | Current Applied Physics. Jan2011 Supplement, Vol. 11 Issue 1, pS175-S178. 0p. |
| Subjects: | Polymers, Solar cells, Fluorine compounds, Electrodes, Energy conversion, Molecular self-assembly, Titanium dioxide, Charge transfer, Butyric acid, Metallic oxides |
| Abstract: | Abstract: We prepared the inverted polymer solar cells (PSCs) with a fluorine-doped tin oxide (FTO) as a transparent electrode and with TiO2, WO3 and WO x as selective charge transport layers. An adequately thick TiO2 nanoparticles layer was employed for covering a very rough FTO surface. Using a solution-based WO x film instead of a vacuum deposited WO3 layer in inverted polymer solar cells showed comparable device performance. A self-assembled molecular (SAM) layer of PCBA and N719 on top of TiO2 improves the device performance by reducing the series resistance at the interface between the active layer and the TiO2 film. The power conversion efficiency (PCE) was improved by 16%, especially in the case of [6,6]-phenyl-C61-butyric acid (PCBA). [Copyright &y& Elsevier] |
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| Database: | Engineering Source |
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