Performance Enhancement of the P3HT/PCBM Solar Cells through NIR Sensitization Using a Small‐Bandgap Polymer | Zendy

Ameri Tayebeh | Zendy; Min Jie | Zendy; Li Ning | Zendy; Machui Florian | Zendy; Baran Derya | Zendy; Forster Michael | Zendy; Schottler Kristina J. | Zendy; Dolfen Daniel | Zendy; Scherf Ullrich | Zendy; Brabec Christoph J. | Zendy

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Performance Enhancement of the P3HT/PCBM Solar Cells through NIR Sensitization Using a Small‐Bandgap Polymer

Author(s) -

Ameri Tayebeh,

Min Jie,

Li Ning,

Machui Florian,

Baran Derya,

Forster Michael,

Schottler Kristina J.,

Dolfen Daniel,

Scherf Ullrich,

Brabec Christoph J.

Publication year - 2012

Publication title -

advanced energy materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.08

H-Index - 220

eISSN - 1614-6840

pISSN - 1614-6832

DOI - 10.1002/aenm.201200219

Subject(s) - materials science , band gap , optoelectronics , polymer , energy conversion efficiency , polymer solar cell , polymer blend , composite material , copolymer

A smart strategy to significantly improve the energy conversion efficiency of the wide‐bandgap polymer P3HT blended in PCBM is demonstrated through NIR sensitization with a low‐bandgap polymer. An efficiency of over 4% is achieved by adding 30–40% of the low bandgap polymer Si‐PCPDTBT to the binary P3HT:PCBM blend, corresponding to an efficiency improvement of 25% compared to the P3HT:PCBM reference binary blend.

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