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Bithiazole: An Intriguing Electron-Deficient Building for Plastic Electronic Applications

Su, H-L; Sredojevic, DN; Bronstein, H; Marks, TJ; Schroeder, BC; Al-Hashimi, M; (2017) Bithiazole: An Intriguing Electron-Deficient Building for Plastic Electronic Applications. [Review]. Macromolecular Rapid Communications , 38 (10) , Article 1600610. 10.1002/marc.201600610. Green open access

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The heterocyclic thiazole unit has been extensively used as electron‐deficient building block in π‐conjugated materials over the last decade. Its incorporation into organic semiconducting materials is particularly interesting due to its structural resemblance to the more commonly used thiophene building block, thus allowing the optoelectronic properties of a material to be tuned without significantly perturbing its molecular structure. Here, we discuss the structural differences between thiazole‐ and thiophene‐based organic semiconductors, and the effects on the physical properties of the materials. An overview of thiazole‐based polymers is provided, which have emerged over the past decade for organic electronic applications and it is discussed how the incorporation of thiazole has affected the device performance of organic solar cells and organic field‐effect transistors. Finally, in conclusion, an outlook is presented on how thiazole‐based polymers can be incorporated into all‐electron deficient polymers in order to obtain high‐performance acceptor polymers for use in bulk‐heterojunction solar cells and as organic field‐effect transistors. Computational methods are used to discuss some newly designed acceptor building blocks that have the potential to be polymerized with a fused bithiazole moiety, hence propelling the advancement of air‐stable n‐type organic semiconductors.

Type: Article
Title: Bithiazole: An Intriguing Electron-Deficient Building for Plastic Electronic Applications
Open access status: An open access version is available from UCL Discovery
DOI: 10.1002/marc.201600610
Publisher version: https://doi.org/10.1002/marc.201600610
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Science & Technology, Physical Sciences, Polymer Science, -conjugated materials, acceptor building blocks, bithiazole-based polymers, organic field-effect transistors (OFETs), organic photovoltaics (OPV), Field-Effect Transistors, Organic Solar-Cells, Withdrawing Thiazole Derivatives, Charge-Transport Properties, Donor-Acceptor Copolymers, Pi-Conjugated Copolymers, Thin-Film Transistors, Open-Circuit Voltage, D-A Copolymers, Photovoltaic Properties
URI: http://discovery.ucl.ac.uk/id/eprint/10048328
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