Issue 43, 2012
From the journal:

Journal of Materials Chemistry

Carboxyl-modified conjugated polymer sensitizer for dye sensitized solar cells: significant efficiency enhancement†

Shraddha Chhatre,a   Shruti Agarkar,a   Vivek Dhas,a   Satyawan Nagane,a   Vishal Thakare,a   Satishchandra Ogale*a  and  Prakash Wadgaonkar*a  

* Corresponding authors

a Centre of Excellence in Solar Energy, National Chemical Laboratory (CSIR-NCL), Dr Homi Bhabha Road, Pune, 411008, India
E-mail: pp.wadgaonkar@ncl.res.in, sb.ogale@ncl.res.in

Abstract

A simple two step strategy was developed to introduce carboxyl groups via Vilsmeier–Haack formylation on the commercially available conjugated polymer BEHP-co-MEH PPV followed by Knoevenagel condensation. Adsorption of the carboxyl-modified polymer onto TiO2 film and J–V curves were studied for the dye sensitized solar cell and compared with the base polymer BEHP-co-MEH PPV. Carboxyl-modification of BEHP-co-MEH PPV resulted in significant enhancement in the efficiency (3%), compared to the base polymer which showed an efficiency of only 0.3%. The details of the synthetic procedure, characterization and the photovoltaic property measurements are presented and discussed.

Graphical abstract: Carboxyl-modified conjugated polymer sensitizer for dye sensitized solar cells: significant efficiency enhancement

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Article information

DOI
https://doi.org/10.1039/C2JM35643K
Article type
Paper
Submitted
20 Aug 2012
Accepted
25 Sep 2012
First published
25 Sep 2012

J. Mater. Chem., 2012,22, 23267-23271

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Carboxyl-modified conjugated polymer sensitizer for dye sensitized solar cells: significant efficiency enhancement

S. Chhatre, S. Agarkar, V. Dhas, S. Nagane, V. Thakare, S. Ogale and P. Wadgaonkar, J. Mater. Chem., 2012, 22, 23267 DOI: 10.1039/C2JM35643K

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