Issue 36, 2014
From the journal:

Journal of Materials Chemistry C

A star-shaped D–π–A small molecule based on a tris(2-methoxyphenyl)amine core for highly efficient solution-processed organic solar cells†

Jie Min,*a   Yuriy N. Luponosov,b   Alexander N. Solodukhin,b   Nina Kausch-Busies,c   Sergei A. Ponomarenko,bd   Tayebeh Ameria  and  Christoph J. Brabecae  

* Corresponding authors

a Institute of Materials for Electronics and Energy Technology (I-MEET), Friedrich-Alexander-University Erlangen-Nuremberg, Martensstraße 7, 91058 Erlangen, Germany
E-mail: Min.Jie@ww.uni-erlangen.de

b Enikolopov Institute of Synthetic Polymeric Materials of the Russian Academy of Sciences, Profsoyuznaya st. 70, Moscow 117393, Russia

c Heraeus Precious Metals GmbH & Co. KG, Conductive Polymers Division (Clevios), Chempark Leverkusen Build. B202, D-51368 Leverkusen, Germany

d Chemistry Department, Moscow State University, Leninskie Gory 1-3, Moscow 119991, Russia

e Bavarian Center for Applied Energy Research (ZAE Bayern), Haberstraße 2a, 91058 Erlangen, Germany

Abstract

A new star-shaped D–π–A small molecule, 2,2′,2′′-{nitrilotris[(3-methoxy-4,1-phenylene)-2,2′-bithiene-5′,5-diyleth-1-yl-1-ylidene]}trimalononitrile N(Ph(OMe)-2T-DCN-Me)3, with high efficiency potential for photovoltaic applications was synthesized. Introducing a soluble tris(2-methoxyphenyl)amine (TPA-MeO) core unit can significantly improve the solubility of star-shaped small molecules without negatively impacting intramolecular conjugation and intermolecular solid state arrangements. Solution-processed organic solar cells based on a blend of N(Ph(OMe)-2T-DCN-Me)3 and PC70BM show an initially high power conversion efficiency of over 4% under simulated AM 1.5.

Graphical abstract: A star-shaped D–π–A small molecule based on a tris(2-methoxyphenyl)amine core for highly efficient solution-processed organic solar cells

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Article information

DOI
https://doi.org/10.1039/C4TC01277A
Article type
Paper
Submitted
15 Jun 2014
Accepted
11 Jul 2014
First published
14 Jul 2014

J. Mater. Chem. C, 2014,2, 7614-7620

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A star-shaped D–π–A small molecule based on a tris(2-methoxyphenyl)amine core for highly efficient solution-processed organic solar cells

J. Min, Y. N. Luponosov, A. N. Solodukhin, N. Kausch-Busies, S. A. Ponomarenko, T. Ameri and C. J. Brabec, J. Mater. Chem. C, 2014, 2, 7614 DOI: 10.1039/C4TC01277A

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