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Polymers 2017, 9(2), 39; doi:10.3390/polym9020039

Recent Development on Narrow Bandgap Conjugated Polymers for Polymer Solar Cells

1
School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
2
MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
3
College of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430205, China
*
Author to whom correspondence should be addressed.
Academic Editors: Christian B. Nielsen and Laure Biniek
Received: 27 December 2016 / Revised: 20 January 2017 / Accepted: 23 January 2017 / Published: 28 January 2017
(This article belongs to the Special Issue Organic Photovoltaics 2016)

Abstract

There have been exciting developments in the field of polymer solar cells (PSCs) as the potential competitor to the traditional silicon-based solar cells in the past decades. The most successful PSCs are based on the bulk hetero-junction (BHJ) structure, which contains a bicontinuous nanoscale interpenetrating network of a conjugated polymer and a fullerene blend. The power conversion efficiencies (PCEs) of BHJ PSCs have now exceeded 11%. In this review, we present an overview of recent emerging developments of narrow bandgap conjugated polymers for PSCs. We focus on a few important acceptors used in the donor-acceptor type conjugated polymers for highly efficient PSCs. We also reviewed the emerged donor-π-acceptor (D-π-A) side chains polymers. The band-gaps and energy levels as well as the photovoltaic performances of conjugated polymers are discussed. View Full-Text
Keywords: conjugated polymers; narrow bandgap; polymer solar cells; photovoltaic cells conjugated polymers; narrow bandgap; polymer solar cells; photovoltaic cells
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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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Gao, Y.; Liu, M.; Zhang, Y.; Liu, Z.; Yang, Y.; Zhao, L. Recent Development on Narrow Bandgap Conjugated Polymers for Polymer Solar Cells. Polymers 2017, 9, 39.

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