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Title: Self-Assembled Organic Materials for Photovoltaic Application
Authors: Ghosh, T
Panicker, J S
Nair, V C
Keywords: self-assembly
organic photovoltaic cells
donor-acceptor systems
Issue Date: 21-Mar-2017
Publisher: MDPI
Citation: Polymers, 9(3):112
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.
Appears in Collections:2017

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