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

Arumugam, Sasikumar and Cortizo-Lacalle, Diego and Rossbauer, Stephan and Hunter, Simon and Kanibolotsky, Alexander L. and Inigo, Anto R. and Lane, Paul A. and Anthopoulos, Thomas D. and Skabara, Peter J. and Inigo, Jesuraj (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. ISSN 1944-8244

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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 x 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: Article
ID code: 52644
Keywords: tetrathiafulvalene (TTF), polymeric systems, low band-gap polymers, iketopyrrolopyrrole (DPP) molecule, organic solar cells, OPV, DPP-TTF polymer , OFETs, single material OPV, hole mobility, Chemical technology, Optics. Light, Electronic, Optical and Magnetic Materials
Subjects: Technology > Chemical technology
Science > Physics > Optics. Light
Department: Faculty of Science > Pure and Applied Chemistry
Faculty of Science > Physics
Technology and Innovation Centre > Photonics
Depositing user: Pure Administrator
Date deposited: 14 Apr 2015 11:59
Last modified: 11 Jan 2019 09:07
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URI: https://strathprints.strath.ac.uk/id/eprint/52644
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