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Synthesis and characterization of narrow-band-gap copolymers containing alkoxyanthracene as electron donor for organic photovoltaic applications
- Authors
- Kim, S.-O.; Chung, D.S.; Kim, P.S.; Cha, H.; Koh, H.J.; Kim, Y.-H.; Park, C.E.; Kwon, S.-K.
- Issue Date
- Dec-2009
- Keywords
- Antracene; Electron donor; Narrow-bandgap; Organic solar cell; PC70BM
- Citation
- Proceedings of International Meeting on Information Display, pp 703 - 704
- Pages
- 2
- Indexed
- SCOPUS
- Journal Title
- Proceedings of International Meeting on Information Display
- Start Page
- 703
- End Page
- 704
- ISSN
- 1738-7558
- Abstract
- A new electron donor polymer (PTFTEA) was synthesized by the Suzuki coupling reaction. PTFREA has both high molecular weight (Mn 7.8 × 10 3 g/mol PDI 1.47) and narrow band gap. We found optical wavelength absorption using UV spectrum at 618 and 650 nm in solution and at 668 and 723 nm in film, obtained narrow band gap (1.39 eV). Moreover, we obtain HOMO energy of PTFTEA at - 5.36 eV by cyclic voltammetry (CV) studies, calculated LUMO using band gap. As a results, PTFTEA has narrow band gap, so that to be suitable for performance (1.1%).
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