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城戸・笹部研究室

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2013年11月08日
PD 陳さんの論文が IOP の Nanotechnology に掲載されました。

Nanotechnology 24 (2013) 484007 (9pp) 

 

Chloroboron (III) subnaphthalocyanine as an electron donor in bulk heterojunction photovoltaic cells

Guo Chen1, Hisahiro Sasabe1, Takeshi Sano1, Xiao-Feng Wang1, Ziruo Hong1,2, Junji Kido1 and Yang Yang2

 

Abstract

In this work, chloroboron (III) subnaphthalocyanine (SubNc) was used as an electron donor, combined with a [6,6]-phenyl-C71-butyric acid methyl ester (PC70BM) or fullerene C70 acceptor in bulk heterojunction photovoltaic cells. In spite of the limited solubility of SubNc in organic solvents, the solution processed device exhibited an efficiency of 4.0% under 1 sun, AM1.5G solar irradiation at room temperature, and 5.0% at 80 ◦C due to the temperature-dependence of the carrier mobilities. SubNc:C70 bulk heterojunctions were also fabricated via thermal co-evaporation, demonstrating an efficiency of 4.4%. This result shows that SubNc is a promising material for photovoltaic applications via various processing techniques, such as vacuum deposition and wet coating. 

 

*陳さん論文掲載おめでとうございます!

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