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Issue 4, 2010
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Solution processable donor materials based on thiophene and triphenylamine for bulk heterojunction solar cells†

Jongchul Kwon,a   Woochul Lee,a   Ji-young Kim,c   Seunguk Noh,b   Changhee Leeb  and  Jong-In Hong*a  
Author affiliations

* Corresponding authors

a Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-747, Korea
E-mail: jihong@snu.ac.kr
Fax: +82-2-889-1568
Tel: +82-2-880-6682

b School of Electrical Engineering and Computer Science, Interuniversity Semiconductor Research Center, Seoul National University, Seoul 151-742, Korea
E-mail: chlee7@snu.ac.kr

c Interdisciplinary Graduate Program in Nanoscience and Nanotechnology, Seoul National University, Seoul 151-742, Korea

Abstract

Solution processable and thermally stable donor materials 2,5-bis[4-(N,N-diphenylamino)styryl] thiophene (1) and 2,5-bis[4-(N,N-diphenylamino)styryl]-2,2′-bithiophene (2) were synthesized for bulk heterojunction solar cells, which consist of a thiophene, or bithiophene and triphenylamine unit linked with conjugated bonds. The best device performance, optimized at 1 : PCBM = 1 : 3 and 2 : PCBM = 1 : 4, exhibited the maximum open circuit voltages of 0.56 and 0.51 V, short circuit currents of 1.33 and 1.88 mA cm−2, and power conversion efficiencies of 0.23 and 0.34%, respectively, under simulated AM 1.5 solar irradiation at 100 mW cm−2.

Graphical abstract: Solution processable donor materials based on thiophene and triphenylamine for bulk heterojunction solar cells

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Article information

https://doi.org/10.1039/B9NJ00431A
Submitted
28 Aug 2009
Accepted
15 Jan 2010
First published
23 Feb 2010
New J. Chem., 2010,34, 744-749
Article type
Paper
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Solution processable donor materials based on thiophene and triphenylamine for bulk heterojunction solar cells

J. Kwon, W. Lee, J. Kim, S. Noh, C. Lee and J. Hong, New J. Chem., 2010, 34, 744
DOI: 10.1039/B9NJ00431A

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