Issue 12, 2015
From the journal:

Chemical Communications

ESR spectroscopy as a powerful tool for probing the quality of conjugated polymers designed for photovoltaic applications†

Diana K. Susarova,a   Natalia P. Piven,b   Alexander V. Akkuratov,a   Lyubov A. Frolova,a   Marina S. Polinskaya,c   Sergey A. Ponomarenko,cd   Sergey D. Babenkob  and  Pavel A. Troshin*a  

* Corresponding authors

a IPCP RAS, Semenov Prospect 1, Chernogolovka, Russia
E-mail: troshin2003@inbox.ru
Fax: +7 496515 5420
Tel: +7 496522 1418

b Institute of Energy Problems for Chemical Physics (Branch) RAS, Semenov Prospect 1, Chernogolovka, Russia

c ISPM RAS, 70 ul. Profsoyuznaya, Moscow 117393, Russia

d Chemistry Department, Moscow State University, Leninskie Gory 1-3, Moscow 119991, Russia

Abstract

Here we report the application of the Electron Spin Resonance (ESR) spectroscopy as a highly sensitive analytical technique for assessment of the electronic quality of organic semiconductor materials, particularly conjugated polymers. It has been shown that different batches of the same conjugated polymer might contain substantially different amounts of radical species which were attributed to structural defects and/or impurities behaving as traps for mobile charge carriers. Good correlations between the concentrations of radicals in various batches of conjugated polymers and their performances in organic solar cells have been revealed.

Graphical abstract: ESR spectroscopy as a powerful tool for probing the quality of conjugated polymers designed for photovoltaic applications

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Article information

DOI
https://doi.org/10.1039/C4CC06197G
Article type
Communication
Submitted
07 Aug 2014
Accepted
23 Oct 2014
First published
23 Oct 2014

Chem. Commun., 2015,51, 2239-2241

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ESR spectroscopy as a powerful tool for probing the quality of conjugated polymers designed for photovoltaic applications

D. K. Susarova, N. P. Piven, A. V. Akkuratov, L. A. Frolova, M. S. Polinskaya, S. A. Ponomarenko, S. D. Babenko and P. A. Troshin, Chem. Commun., 2015, 51, 2239 DOI: 10.1039/C4CC06197G

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