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The Limits to Organic Photovoltaic Cell Efficiency

Forrest, Stephen R.·2005·MRS Bulletin

Abstract

We consider the fundamental limits to organic solar cell efficiency, and the schemes that have been used to overcome many of these limitations. In particular, the use of double and bulk heterojunctions, as well as tandem cells employing materials with high exciton diffusion lengths, is discussed.We show that in the last few years, a combination of strategies has led to a power conversion efficiency of η p = 5.7% (under AM 1.5 G simulated solar radiation at 1 sun intensity) for tandem cells based on small-molecularweight materials, suggesting that even higher efficiencies are possible.We conclude by considering the ultimate power conversion efficiency that is expected from organic thinfilm solar cells.

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Metadata

Authors
Forrest, S. R.
Venue
MRS Bulletin
Published
2005-01
Volume
30
Issue
1
Pages
28-32
ISSN
  • 0883-7694 (ISSN-L)
  • 1938-1425
OpenAlex
W2107476936
Cited by
463
References
0
FWCI
26.69
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: The Limits to Organic Photovoltaic Cell Efficiency. https://app.cochat.ai/papers/10.1557/mrs2005.5
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Forrest, S. R. (2005). The Limits to Organic Photovoltaic Cell Efficiency. MRS Bulletin. https://doi.org/10.1557/mrs2005.5

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