NDLI: High efficiency polymer solar cells based on poly(3-hexylthiophene)/indene-C<sub>70</sub> bisadduct with solvent additive

Content Provider	Royal Society of Chemistry (RSC)
Author	Li, Yongfang Hou, Jianhui Cui, Chaohua Huang, Ye Guo, Xia Zhang, Maojie Huo, Lijun
Copyright Year	2012
Abstract	The photovoltaic performance of the polymer solar cells (PSCs) based on poly(3-hexylthiophene) (P3HT) as donor and indene-C70 bisadduct (IC70BA) as acceptor was optimized by using 3 vol% high boiling point solvent additive of 1-chloronaphthalene (CN), N-methyl pyrrolidone (NMP), 1,8-octanedithiol (OT) or 1,8-diiodooctane (DIO) without solvent annealing. The optimized PSC based on P3HT : IC70BA (1 : 1, w/w) with 3 vol% CN and pre-thermal annealing at 150 °C for 10 min, exhibits a high power conversion efficiency (PCE) of 7.40% with Voc of 0.87 V, Jsc of 11.35 mA cm−2 and FF of 75.0%, under the illumination of AM1.5G, 100 mW cm−2. The PCE of 7.40%, the Voc of 0.87 V, and the FF of 75.0% are all the highest values reported in the literature so far for P3HT-based PSCs. The high efficiency is due to the optimized P3HT/IC70BA interpenetrating network and stronger absorption of the active layer by using the additive treatment. Taking into account the advantages of thickness-insensitivity and good reproducibility of the photovoltaic performance of the P3HT-based PSCs as well as the simple device fabrication processes without the need of solvent annealing, the high-efficiency PSCs based on P3HT : IC70BA using CN additive are very promising for future commercialization of PSC devices.
Starting Page	7943
Ending Page	7949
Page Count	7
File Format	HTM / HTML PDF
ISSN	17545692
Volume Number	5
Issue Number	7
Journal	Energy & Environmental Science
DOI	10.1039/c2ee21481d
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	PSC Jsc Solar cell Polymer Polythiophene Boiling point Solvent 1-Chloronaphthalene N-Methyl-2-pyrrolidone Nucleic acid thermodynamics
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Renewable Energy, Sustainability and the Environment Nuclear Energy and Engineering

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