title: An Air-Stable DPP-thieno-TTF Copolymer for Single-Material Solar Cell Devices and Field Effect Transistors.
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) cm(2)/(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%.
authors.affiliation: WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde , Glasgow G1 1XL, United Kingdom.
authors.forename: Sasikumar
authors.initials: S
authors.lastname: Arumugam
authors.affiliation: WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde , Glasgow G1 1XL, United Kingdom.
authors.forename: Diego
authors.initials: D
authors.lastname: Cortizo-Lacalle
authors.affiliation: Department of Physics & Centre for Plastic Electronics, Imperial College London , Exhibition Road, South Kensington, London SW7 2AZ, United Kingdom.
authors.forename: Stephan
authors.initials: S
authors.lastname: Rossbauer
authors.affiliation: Department of Physics & Centre for Plastic Electronics, Imperial College London , Exhibition Road, South Kensington, London SW7 2AZ, United Kingdom.
authors.forename: Simon
authors.initials: S
authors.lastname: Hunter
authors.affiliation: WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde , Glasgow G1 1XL, United Kingdom.|Institute of Physical-Organic Chemistry and Coal Chemistry , 83114 Donetsk, Ukraine.
authors.forename: Alexander L
authors.initials: AL
authors.lastname: Kanibolotsky
authors.affiliation: WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde , Glasgow G1 1XL, United Kingdom.
authors.forename: Anto R
authors.initials: AR
authors.lastname: Inigo
authors.affiliation: U.S. Naval Research Lab 4555 Overlook Ave., Washington, DC 20375, United States.
authors.forename: Paul A
authors.initials: PA
authors.lastname: Lane
authors.affiliation: Department of Physics & Centre for Plastic Electronics, Imperial College London , Exhibition Road, South Kensington, London SW7 2AZ, United Kingdom.
authors.forename: Thomas D
authors.initials: TD
authors.lastname: Anthopoulos
authors.affiliation: WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde , Glasgow G1 1XL, United Kingdom.
authors.forename: Peter J
authors.initials: PJ
authors.lastname: Skabara
keywords: DPP-TTF polymer; OFET; OPV; hole mobility; single material OPV