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Wiley Open Access, Advanced Science, 6(2), 2015

DOI: 10.1002/advs.201570021

Wiley Open Access, Advanced Science, 6(2), p. 1500024, 2015

DOI: 10.1002/advs.201500024

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Interface Design Principles for High-Performance Organic Semiconductor Devices

Journal article published in 2015 by Wanyi Nie, Gautam Gupta, Brian K. Crone, Feilong Liu, Darryl L. Smith, P. Paul Ruden, Cheng-Yu Kuo, Hsinhan Tsai, Hsing-Lin Wang, Hao Li ORCID, Sergei Tretiak ORCID, Aditya D. Mohite
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Organic solar cells (OSCs) are a promising cost-effective candidate in next generation photovoltaic technology. However, a critical bottleneck for OSCs is the electron/hole recombination loss through charge transfer state at the interface, which greatly limits the power conversion efficiency. In article number 1500024, W. Nie, A. Mohite, and co-workers demonstrate a simple strategy of suppressing the recombination rate by inserting a spacer layer at the donor-acceptor interface, resulting in a dramatic increase in power conversion efficiency.