Employing PCBTDPP as an Efficient Donor Polymer for High Performance Ternary Polymer Solar Cells

Binrui Xu; Gopalan Saianand; V. A. L. Roy; Qiquan Qiao; Khan Mamun Reza; Shin-Won Kang

doi:10.3390/polym11091423

Employing PCBTDPP as an Efficient Donor Polymer for High Performance Ternary Polymer Solar Cells

Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review

Overview

8 Scopus Citations

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Author(s)

Binrui Xu
Gopalan Saianand
Qiquan Qiao
Khan Mamun Reza
Shin-Won Kang

Related Research Unit(s)

Department of Materials Science and Engineering

Detail(s)

Original language	English
Article number	1423
Journal / Publication	Polymers
Volume	11
Issue number	9
Online published	29 Aug 2019
Publication status	Published - Sep 2019

Link(s)

DOI	DOI https://doi.org/10.3390/polym11091423 Final Published version
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Attachment(s)	Documents 36576996.pdf Final Published version, 2.44 MB, PDF Publisher's Copyright Statement This full text is made available under CC-BY 4.0. https://creativecommons.org/licenses/by/4.0/
Link to Scopus	https://www.scopus.com/record/display.uri?eid=2-s2.0-85071947212&origin=recordpage
Permanent Link	https://scholars.cityu.edu.hk/en/publications/publication(381292ed-ed45-400a-93c9-625911b2d37a).html

Abstract

A compatible low-bandgap donor polymer (poly[N-90-heptadecanyl-2,7carbazole-alt- 3,6-bis(thiophen-5-yl)-2,5-dioctyl-2,5-dihydropyrrolo[3,4]pyrrole-1,4-dione], PCBTDPP) was judicially introduced into the archetypal poly(3-hexylthiophene):[6,6]-phenyl-C₆₁-butyric acid methyl ester (P3HT:PC₆₁BM) photoactive system to fabricate highly efficient ternary based bulk heterojunction polymer solar cells (PSCs). The PCBTDPP ternary-based PSC with optimal loading (0.2 wt.%) displayed outstanding performance with a champion power conversion efficiency (PCE) of 5.28% as compared to the PCE (4.67%) for P3HT:PC₆₁BM-based PSC (reference). The improved PCE for PCBTDPP ternary-based PSC can be mainly attributed to the incorporation of PCBTDPP into P3HT:PC₆₁BM that beneficially improved the optical, morphological, electronic, and photovoltaic (PV) performance. This work instills a rational strategy for identifying components (donor/acceptor (D/A) molecules) with complementary beneficial properties toward fabricating efficient ternary PSCs.