An air-stable DPP-thieno-TTF copolymer for single-material solar cell devices and field effect transistors

Arumugam, S., Cortizo-Lacalle, D., Rossbauer, S., Hunter, S., Kanibolotsky, A. L., Inigo, A. R., Lane, P. A., Anthopoulos, T. D. and Skabara, P. J. (2015) An air-stable DPP-thieno-TTF copolymer for single-material solar cell devices and field effect transistors. ACS Applied Materials and Interfaces, 7(51), pp. 27999-28005. (doi: 10.1021/am5080562) (PMID:25832195)

Abstract

Following an approach developed in our group to incorporate tetrathiafulvalene (TTF) units into conjugated polymeric systems, we have studied a low band gap polymer incorporating TTF as a donor component. This polymer is based on a fused thieno-TTF unit that enables the direct incorporation of the TTF unit into the polymer, and a second comonomer based on the diketopyrrolopyrrole (DPP) molecule. These units represent a donor–acceptor copolymer system, p(DPP-TTF), showing strong absorption in the UV–visible region of the spectrum. An optimized p(DPP-TTF) polymer organic field effect transistor and a single material organic solar cell device showed excellent performance with a hole mobility of up to 5.3 × 10–2 cm2/(V s) and a power conversion efficiency (PCE) of 0.3%, respectively. Bulk heterojunction organic photovoltaic devices of p(DPP-TTF) blended with phenyl-C71-butyric acid methyl ester (PC71BM) exhibited a PCE of 1.8%.

• Item Type: Articles
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Skabara, Professor Peter
• Authors: Arumugam, S., Cortizo-Lacalle, D., Rossbauer, S., Hunter, S., Kanibolotsky, A. L., Inigo, A. R., Lane, P. A., Anthopoulos, T. D., and Skabara, P. J.
• College/School: College of Science and Engineering > School of Chemistry
• Journal Name: ACS Applied Materials and Interfaces
• Publisher: American Chemical Society
• ISSN: 1944-8244
• ISSN (Online): 1944-8252
• Copyright Holders: Copyright © 2015 The American Chemical Society
• First Published: First published in ACS Applied Materials and Interfaces 7:27999-28005
• Publisher Policy: Reproduced under a Creative Commons License