Please use this identifier to cite or link to this item: https://doi.org/10.1002/marc.201200695
Title: Near-infrared responsive conjugated polymers to 1.5 μm and beyond: Synthesis and electrochromic switching application
Authors: Tang, T.
Ding, G.
Lin, T.
Chi, H.
Liu, C.
Lu, X.
Wang, F.
He, C. 
Keywords: azulenes
charge transfer
conjugated polymers
density function theory
near-infrared absorptions
Issue Date: 2013
Source: Tang, T.,Ding, G.,Lin, T.,Chi, H.,Liu, C.,Lu, X.,Wang, F.,He, C. (2013). Near-infrared responsive conjugated polymers to 1.5 μm and beyond: Synthesis and electrochromic switching application. Macromolecular Rapid Communications 34 (5) : 431-436. ScholarBank@NUS Repository. https://doi.org/10.1002/marc.201200695
Abstract: Azulene-containing conjugated polymers with near-infrared absorption up to 1.5 μm and beyond are achieved by treating with trifluoroacetic acid (TFA). Density functional theory calculations reveal that the near-infrared absorption arises from a strong intramolecular charge transfer transition on the polymer backbone, and the near-infrared absorption can be tuned by the degree of protonation. Furthermore, TFA treated polymers show a ten-fold enhancement in electrochromic contrast and significantly improved switching stability, suggesting that these polymers are promising candidates for fabrication of the first generation organic near-infrared devices. © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Source Title: Macromolecular Rapid Communications
URI: http://scholarbank.nus.edu.sg/handle/10635/64959
ISSN: 10221336
DOI: 10.1002/marc.201200695
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