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Issue 10, 2012
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Charge transfer state in highly efficient polymer–fullerene bulk heterojunction solar cells

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Abstract

In recent years, steady improvements in organic photovoltaic (OPV) performance have been reported with power conversion efficiency (PCE) reaching 9%. Despite this rapid improvement, the mechanisms limiting the existing performance are not completely known; therefore a better understanding of the loss processes is necessary. In this respect a crucial role may be played by the charge transfer (CT) state, which is the intermediate state between the excitons and the fully dissociated charges. In this review article we outline the dynamics of this intermediate state in light of their influence on the photovoltaic performance, with central emphasis on highly efficient polymerfullerene bulk heterojunction solar cells.

Graphical abstract: Charge transfer state in highly efficient polymer–fullerene bulk heterojunction solar cells

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Article information


Submitted
06 Oct 2011
Accepted
10 Jan 2012
First published
30 Jan 2012

J. Mater. Chem., 2012,22, 4141-4150
Article type
Application

Charge transfer state in highly efficient polymerfullerene bulk heterojunction solar cells

C. Piliego and M. A. Loi, J. Mater. Chem., 2012, 22, 4141
DOI: 10.1039/C2JM15027A

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