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  • 2017年
  • 【論文掲載】上海大学の陳果助教とのスクアリリウム誘導体の凝集状態制御と有機薄膜太陽電池への応用に関する共同研究論文が Organic Electronics (IF: 3.399) に掲載!
2017年09月14日
【論文掲載】上海大学の陳果助教とのスクアリリウム誘導体の凝集状態制御と有機薄膜太陽電池への応用に関する共同研究論文が Organic Electronics (IF: 3.399) に掲載!

上海大学の陳果 (Guo Chen) 助教とのスクアリリウム誘導体の凝集状態制御と有機薄膜太陽電池への応用に関する「The effect of processing solvent dependent film aggregation on the photovoltaic performance of squaraine:PC71BM bulk heterojunction solar cells」と題する共同研究論文が Organic Electronics (IF: 3.399) に受理・掲載されました。陳さん、おめでとうございます!

Title: The effect of processing solvent dependent film aggregation on the photovoltaic performance of squaraine:PC71BM bulk heterojunction solar cells
By Guo Chen*, Changfeng Si, Pengpeng Zhang, Bin Wei, Jianhua Zhang, Ziruo Hong, Hisahiro Sasabe*, Junji Kido, Organic Electronics, 2017, 51, 62-69.


Abstract: In this work, we systemically investigated the processing solvent-dependent aggregation behavior of a squaraine dye, 2,4-bis[4-(N,N-dibutylamino)-2,6- dihydroxyphenyl] squaraine (DBSQ), in a DBSQ: [6,6]- phenyl-C71-butyric acid methyl ester (PC71BM) blend film, as well as the aggregation effect on the photovoltaic performance of DBSQ:PC71BM bulk heterojunctions (BHJs). Our finding shows that the aggregation behavior of DBSQ dye in the blend film can be controlled via the proper selection of the processing solvents. For a J-aggregate (head-to-tail molecule alignment) DBSQ:PC71BM active layer based BHJ cells, a power conversion efficiency (PCE) of over 5% can be obtained, which is 75% higher than that of the H-aggregate (parallel molecule packing) active layer based BHJ cells. Our results indicate that the processing solvent controlled J-aggregation formation shall be considered as effective approach to tune the optical and electrical properties of thin films for high-performance BHJ solar cells.

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