Effect of the solvent used to prepare the photoactive layer on the performance of inverted bulk heterojunction polymer solar cells
書誌事項
- タイトル別名
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- Effect of the solvent used to prepare the photoactive layer on the performance of inverted bulk heterojunction polymer solar cell
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The initial performance and subsequent degradation of inverted polymer solar cells [indium-tin oxide/titanium oxide (TiOx)/[6,6]-phenyl C61 butyric acid methyl ester (PCBM): regioregular poly(3-hexylthiophene) (P3HT)/poly(3,4-ethylenedioxylenethiophene):poly(4- styrene sulfonic acid)/Au, TiOx cell] are studied by photocurrent-voltage measurements as well as ac impedance spectroscopy (IS) and carrier mobility measurements. The TiOx cells containing a P3HT:PCBM layer prepared from a solution of chlorobenzene (CB) showed a maximum power conversion efficiency (PCE) of 2.23%. In contrast, the TiOx cells containing a P3HT:PCBM layer prepared from a solution of 1,2,3,4- tetrahydronaphthalene (tetralin) containing 2 vol- 1,8-octanedithiol (ODT) exhibited a maximum PCE of 2.92%. However, after exposure to light irradiation for 100 h, the maximum PCE of the tetralin:ODT cell decreased to 68% of its initial value. On the other hand, over 96% of the maximum PCE was maintained in the CB cell after 100 h of irradiation. The IS measurement results suggest that the degradation of the Tetralin: ODT cell was caused by a morphological change of the P3HT:PCBM layer that made efficient photoinduced charge separation difficult. © 2014 The Japan Society of Applied Physics.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 53 (2 PART 2), 02BE06-, 2014-01-01
Japan Society of Applied Physics = 応用物理学会
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詳細情報 詳細情報について
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- CRID
- 1390295193445517568
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- NII論文ID
- 210000143391
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- NII書誌ID
- AA12295836
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- ISSN
- 00214922
- 13474065
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- 本文言語コード
- en
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- データソース種別
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