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Issue 40, 2014
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Power conversion efficiency enhancement in diketopyrrolopyrrole based solar cells through polymer fractionation

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Abstract

Post polymerisation fractionation of diketopyrrolopyrrole based conjugated polymers through preparative gel permeation chromatography affords a varying range of molecular weight fractions with narrowed polydispersities. When used as the electron donor material in bulk heterojunction solar cells with both conventional and inverted architecture efficiency enhancements in excess of 50% are observed relative to non-fractionated material with the highest molecular weight fraction demonstrating a power conversion efficiency of 6.3%.

Graphical abstract: Power conversion efficiency enhancement in diketopyrrolopyrrole based solar cells through polymer fractionation

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Supplementary files

Article information


Submitted
21 Jul 2014
Accepted
31 Aug 2014
First published
03 Sep 2014

J. Mater. Chem. C, 2014,2, 8593-8598
Article type
Paper
Author version available

Power conversion efficiency enhancement in diketopyrrolopyrrole based solar cells through polymer fractionation

I. Meager, R. S. Ashraf, C. B. Nielsen, J. E. Donaghey, Z. Huang, H. Bronstein, J. R. Durrant and I. McCulloch, J. Mater. Chem. C, 2014, 2, 8593
DOI: 10.1039/C4TC01594K

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