Development of solution-processed organic thin-film solar cells using unmodified fullerenes

2016 Fiscal Year Final Research Report

• Project/Area Number: 26289094
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Partial Multi-year Fund
• Section: 一般
• Research Field: Electronic materials/Electric materials
• Research Institution: University of Hyogo
• Principal Investigator: Tada Kazuya 兵庫県立大学, 工学(系)研究科(研究院), 准教授 (90305681)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Keywords: 有機薄膜太陽電池 / 導電性高分子 / 無修飾フラーレン / 非ハロゲン系溶媒

Outline of Final Research Achievements

To realize solution-processed organic thin-film solar cells with low economical and environmental costs, the author has studied solution-processed organic solar cells using unmodified fullerene and halogen-free solvent. It has been found that the PTB7-Th:C70 photocells prepared with 1,2,4-trimethylbenzene show power conversion efficiency (PCE) of 5% under1 sun illumination. In comparison with the device with C70-PCBM, the device with unmodified C70 shows low PCE but superior thermal robustness. It has been also found that power conversion efficiency (PCE) becomes higher at lower light illumination.

Free Research Field

有機エレクトロニクス