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Polymers 2017, 9(3), 112; doi:10.3390/polym9030112

Self-Assembled Organic Materials for Photovoltaic Application

1
Photosciences and Photonics Section, Council of Scientific and Industrial Research—National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Trivandrum 695019, India
2
Academy of Scientific and Innovative Research (AcSIR), New Delhi 110001, India
*
Author to whom correspondence should be addressed.
Academic Editors: Laure Biniek and Christian B. Nielsen
Received: 23 January 2017 / Revised: 10 March 2017 / Accepted: 15 March 2017 / Published: 21 March 2017
(This article belongs to the Special Issue Organic Photovoltaics 2016)

Abstract

Organic photovoltaic cells based on bulk-heterojunction architecture have been a topic of intense research for the past two decades. Recent reports on power conversion efficiency surpassing 10% suggest these devices are a viable low-cost choice for a range of applications where conventional silicon solar cells are not suitable. Further improvements in efficiency could be achieved with the enhanced interaction between the donor and acceptor components. Effective utilization of supramolecular interactions to tailor and manipulate the communication between the components in the blend is a good strategy towards this end. Literature reports suggest that the long-term stability of organic solar cells, a major hurdle for commercial applications, can also be partially addressed by generating stable supramolecular nanostructures. In this review, we have made an attempt to summarize advances in small molecule, oligomer and polymer based systems, wherein supramolecular interactions such as hydrogen-bonding, pi-pi stacking, and dipole-dipole are explored for realizing stable and efficient bulk-heterojunction solar cells. View Full-Text
Keywords: self-assembly; organic photovoltaic cells; bulk-heterojunction; donor-acceptor systems; oligomers; polymers self-assembly; organic photovoltaic cells; bulk-heterojunction; donor-acceptor systems; oligomers; polymers
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Ghosh, T.; Panicker, J.S.; Nair, V.C. Self-Assembled Organic Materials for Photovoltaic Application. Polymers 2017, 9, 112.

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