Issue 10, 2010
From the journal:

Energy & Environmental Science

Electrochemically polymerized nanostructured poly(3.4-ethylenedioxythiophene)-poly(styrenesulfonate) buffer layer for a high performance polymer solar cell†

Hongbin Yang,a   Qunliang Song,a   Zhisong Lu,a   Chuxian Guo,a   Cheng Gong,a   Weihua Hua  and  Chang Ming Li*a  

* Corresponding authors

a Center for Advanced Bionanosystems and School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore, Singapore
E-mail: Ecmli@ntu.edu.sg
Fax: +65 6791 1761
Tel: +65 6790 4485

Abstract

An electrochemically polymerized uniform column-like poly(3.4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:Pss) nanostructure synthesized on indium tin oxide substrate has been used as the buffer layer to construct a polymer bulk heterojunction solar cell, demonstrating 50% higher power conversion efficiency (from 2.56 to 3.86%) than that of using the spin-coated PEDOT:Pss as the buffer layer. The enhanced device performance is ascribed to the improved carrier transport from the highly dense, uniform column-like PEDOT: Pss nanostructure, which penetrates into the polymer blend film to improve the connection of the active layer with the anode while providing a large conducting area for charge transport. This approach is compatible with the state-of-the-art bulk heterojunction solar cells, thus offering a high throughput, low cost manufacturing process for a high performance device.

Graphical abstract: Electrochemically polymerized nanostructured poly(3.4-ethylenedioxythiophene)-poly(styrenesulfonate) buffer layer for a high performance polymer solar cell

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Article information

DOI
https://doi.org/10.1039/C0EE00117A
Article type
Paper
Submitted
01 Jun 2010
Accepted
06 Jul 2010
First published
07 Sep 2010

Energy Environ. Sci., 2010,3, 1580-1586

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Electrochemically polymerized nanostructured poly(3.4-ethylenedioxythiophene)-poly(styrenesulfonate) buffer layer for a high performance polymer solar cell

H. Yang, Q. Song, Z. Lu, C. Guo, C. Gong, W. Hu and C. M. Li, Energy Environ. Sci., 2010, 3, 1580 DOI: 10.1039/C0EE00117A

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