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Issue 10, 2010
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Electrochemically polymerized nanostructured poly(3.4-ethylenedioxythiophene)-poly(styrenesulfonate) buffer layer for a high performance polymer solar cell

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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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Publication details

The article was received on 01 Jun 2010, accepted on 06 Jul 2010 and first published on 07 Sep 2010


Article type: Paper
DOI: 10.1039/C0EE00117A
Citation: 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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