南京理工大学张树鹏研究组分享 http://blog.sciencenet.cn/u/shupeng2009

博文

张树鹏老师合作文章在Dyes and Pigments发表

已有 1536 次阅读 2020-7-22 10:46 |个人分类:点滴成果|系统分类:论文交流

Novel organic dyes for dye-sensitized solar cells based on 1-(2-ethylhexyl)pyrrole as a

π-bridge


Yi Tianb,1, Xintong Yinga,1, Chunli Zhoua, Shupeng Zhanga, Siyu Zhaoa, Ke Lia, Mengchen Xua,

Hui-Juan Yuc,d, GuangShao c,d,∗∗, Jing-Kun Fanga,∗

Abstract:

  Three novel organic dyes coded as FWD9, FWD10 and FHD7 with different donors were reported in this work. Their molecular structures were fully characterized and photophysical/electrochemical properties as well as performances as sensitizers for DSSCs were scrutinized in detail. By the adoption of 1-(2-ethylhexyl)pyrrole moiety,dye aggregation was efficiently suppressed and better power conversion efficiencies were observed for all the three dyes compared with the addition of coadsorbent chenodeoxycholic acid. FWD9 with bis(4-styryl)phenyl amino donor exhibited the best power conversion efficiency to be 5.80% among the three dyes, while the Jsc to be 13.95 mA cm−2, Voc to be 0.66 V and FF to be 0.63, and it was unnecessary to add adsorbent to suppress the

dye aggregation.

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https://www.sciencedirect.com/science/article/abs/pii/S0143720820313528?via%3Dihub




https://blog.sciencenet.cn/blog-311896-1243072.html

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