Issue 22, 2019

New dithienosilole- and dithienogermole-based BODIPY for solar cell applications

Abstract

We report two efficient donor materials for organic solar cells, namely Si-BDP and Ge-BDP, composed by the novel union of thienyl Bodipy wings and a dithienosilole/dithienogermole core. These new donor molecules exhibited excellent solubility in organic solvents, extended π-conjugation and low-lying energy levels that matched with fullerene acceptors, supporting their application as donors in OSCs. Under optimized conditions and using PC70BM as an acceptor, desirable PCEs of 4.58% and 4.12% were observed for Si-BDP and Ge-BDP, respectively.

Graphical abstract: New dithienosilole- and dithienogermole-based BODIPY for solar cell applications

Supplementary files

Article information

Article type
Paper
Submitted
31 Jan 2019
Accepted
21 Apr 2019
First published
02 May 2019

New J. Chem., 2019,43, 8735-8740

New dithienosilole- and dithienogermole-based BODIPY for solar cell applications

G. Thumuganti, V. Gupta and S. P. Singh, New J. Chem., 2019, 43, 8735 DOI: 10.1039/C9NJ00550A

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