GIST Scholar
College of Engineering
Department of Materials Science and Engineering
1. Journal Articles
Chalcogen Bridged Thieno- and Selenopheno[2,3-d:5,4-d ']bisthiazole and Their Diketopyrrolopyrrole Based Low-Bandgap Copolymers
- Type
- Article
- Citation
- Macromolecules, v.51, no.15, pp.6076 - 6084
- Issued Date
- 2018-08
- Abstract
- We report the synthesis and characterization of four novel small bandgap copolymers incorporating the electron-deficient thieno[2,3-d:5,4-d']bisthiazole and selenopheno[2,3-d:5,4-d']bisthiazole building blocks with a series of electron-deficient diketopyrrolopyrole units. The four resultant copolymers were synthesized via palladium Stille cross-coupling reaction, and their optical, thermal stability, electrochemical, and field-effect charge transport properties were investigated. All copolymers showed low optical bandgaps (1.531.56 eV); in addition, X-ray diffraction on solution-cast films revealed that the selenium-containing copolymers exhibit higher crystallinity compared to their thiophene counterparts.
- Publisher
- American Chemical Society
- ISSN
- 0024-9297
- Appears in Collections:
- Department of Materials Science and Engineering > 1. Journal Articles
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