Electronic structure tuning of new fused thieno[3,2-b]thieno bisthiophene based polymers via alkyl chain and Group IV heteroatom modulation

Bob C. Schroeder; Hugo Bronstein; Raja Shahid Ashraf; Weimin Zhang; Zhenggang Huang; Pabitra Shakya Tuladhar; Thomas D. Anthopoulos; James R. Durrant; Iain McCulloch

doi:10.1117/12.929622

13 September 2012 Electronic structure tuning of new fused thieno[3,2-b]thieno bisthiophene based polymers via alkyl chain and Group IV heteroatom modulation

Bob C. Schroeder, Hugo Bronstein, Raja Shahid Ashraf, Weimin Zhang, Zhenggang Huang, Pabitra Shakya Tuladhar, Thomas D. Anthopoulos, James R. Durrant, Iain McCulloch

Author Affiliations +

Proceedings Volume 8477, Organic Photovoltaics XIII; 847709 (2012) https://doi.org/10.1117/12.929622
Event: SPIE Organic Photonics + Electronics, 2012, San Diego, California, United States

Abstract

Herein we present an extension of our work on indacenodithiophenes (IDT) by replacing the central benzene ring with a thieno(3,2-b) thiophene unit. This newly developed thieno[3,2-b]thieno bisthiophene (4T) donor moiety was synthesized from commercially available reagents and incorporated into a series of donor-acceptor polymers. We will discuss the pronounced donating character of 4T compared to IDT and the choice of bridging atom in those new polymers with an emphasis on field effect transistor and photovoltaic device performance.

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Bob C. Schroeder, Hugo Bronstein, Raja Shahid Ashraf, Weimin Zhang, Zhenggang Huang, Pabitra Shakya Tuladhar, Thomas D. Anthopoulos, James R. Durrant, and Iain McCulloch "Electronic structure tuning of new fused thieno[3,2-b]thieno bisthiophene based polymers via alkyl chain and Group IV heteroatom modulation", Proc. SPIE 8477, Organic Photovoltaics XIII, 847709 (13 September 2012); https://doi.org/10.1117/12.929622

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