Issue 18, 2014
From the journal:

Journal of Materials Chemistry A

A high molecular weight triisopropylsilylethynyl (TIPS)-benzodithiophene and diketopyrrolopyrrole-based copolymer for high performance organic photovoltaic cells†

Ji-Hoon Kim,a   Minjung Lee,b   Hoichang Yangb  and  Do-Hoon Hwang*a  

* Corresponding authors

a Department of Chemistry, Chemistry Institute for Functional Materials, Pusan National University, Busan 609-735, Korea
E-mail: dohoonhwang@pusan.ac.kr
Fax: +82 (51) 516 7421
Tel: +82 (51) 510 2232

b Department of Advanced Fiber Engineering, Optoelectronic Hybrids Research Center, Inha University, Incheon 402-751, Korea

Abstract

A high-molecular-weight conjugated polymer consisting of alternating TIPS-substituted benzo[1,2-b:4,5-b′]dithiophene (BDT) and diketopyrrolo[3,4-c]pyrrole (DPP) was synthesized by Suzuki cross-coupling and characterized for use in high performance OPVs. Good structural order, self-assembly in spun-cast films, and carrier mobility were observed. PTIPSBDT–DPP showed an OFET hole mobility of up to 0.12 cm2 V−1 s−1. Power conversion efficiencies of up to 8.0% were demonstrated for OPV devices.

Graphical abstract: A high molecular weight triisopropylsilylethynyl (TIPS)-benzodithiophene and diketopyrrolopyrrole-based copolymer for high performance organic photovoltaic cells

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Article information

DOI
https://doi.org/10.1039/C4TA00535J
Article type
Communication
Submitted
30 Jan 2014
Accepted
03 Mar 2014
First published
04 Mar 2014

J. Mater. Chem. A, 2014,2, 6348-6352

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A high molecular weight triisopropylsilylethynyl (TIPS)-benzodithiophene and diketopyrrolopyrrole-based copolymer for high performance organic photovoltaic cells

J. Kim, M. Lee, H. Yang and D. Hwang, J. Mater. Chem. A, 2014, 2, 6348 DOI: 10.1039/C4TA00535J

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