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Issue 43, 2013
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A structure–property–performance investigation of perylenediimides as electron accepting materials in organic solar cells

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Abstract

Solution-processed perylenediimides (PDIs) with varying peri and bay substituents are characterized in order to better understand the relationships between molecular structure, solid state order, charge transport, and photovoltaic performance. It was found that bulky bay substituents interfere with molecular packing, leading to low charge transport and photovoltaic efficiencies compared to PDIs with fewer or less disruptive substituents. We assessed the potential of PDIs as acceptors for organic photovoltaics (OPVs) by utilizing a solution-processed bilayer OPV device architecture with the donor benzoporphyrin. At AM1.5G illumination, power conversion efficiencies (PCEs) up to 2.0% are obtained for solution-processed bilayer OPVs employing PDIs as acceptors. These results demonstrate the potential of PDIs as photovoltaic acceptor materials while elucidating the relationships between molecular structure and material properties.

Graphical abstract: A structure–property–performance investigation of perylenediimides as electron accepting materials in organic solar cells

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Supplementary files

Article information


Submitted
21 Aug 2013
Accepted
03 Sep 2013
First published
03 Oct 2013

Phys. Chem. Chem. Phys., 2013,15, 18894-18899
Article type
Paper

A structure–property–performance investigation of perylenediimides as electron accepting materials in organic solar cells

M. Guide, S. Pla, A. Sharenko, P. Zalar, F. Fernández-Lázaro, Á. Sastre-Santos and T. Nguyen, Phys. Chem. Chem. Phys., 2013, 15, 18894
DOI: 10.1039/C3CP53552E

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