Enhancing the Efficiency of Bulk Heterojunction Solar Cells via Templated Self-Assembly

Morphology control in bulk heterojunction (BHJ) solar cell is considered to be critical for the power conversion efficiency (PCE). In this paper, we present a novel approach that introduces polystyrene that organizes the poly(3-hexylthiophene) (P3HT) into columnar phases decorated by [6,6]-phenyl C6...

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Bibliographic Details
Published in:Macromolecules 2013-03, Vol.46 (5), p.1812-1819
Main Authors: Pan, Cheng, Li, Hongfei, Akgun, Bulent, Satijia, Sushil K, Zhu, Yimei, Xu, Di, Ortiz, Joseph, Gersappe, Dilip, Rafailovich, Miriam H
Format: Article
Language:English
Subjects:
Application fields
Applied sciences
Energy
Exact sciences and technology
Natural energy
Photovoltaic conversion
Polymer industry, paints, wood
Solar cells. Photoelectrochemical cells
Solar energy
Technology of polymers
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Summary:Morphology control in bulk heterojunction (BHJ) solar cell is considered to be critical for the power conversion efficiency (PCE). In this paper, we present a novel approach that introduces polystyrene that organizes the poly(3-hexylthiophene) (P3HT) into columnar phases decorated by [6,6]-phenyl C61-butyric acid methyl ester (PCBM) at the interface. This structure represents a realization of an idealized morphology of an organic solar cell, in which both exiciton dissociation and the carrier transport are optimized, leading to increased power conversion efficiency.
ISSN:0024-9297
1520-5835
DOI:10.1021/ma302458d