Diketopyrrolopyrrole-tellurophene polymer for fast, selective, and reversible detection of bromine in solution, vapor, and solid states: A systematic study

Matinder Kaur, Dae Hee Lee, Da Seul Yang, Hyun Ah Um, Min Ju Cho, Ju Sik Kang, Dong Hoon Choi

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)

    Abstract

    Conjugated polymers are of great interest and have been extensively examined as colorimetric and fluorometric sensors for biologically important species. Here, we report the systematic investigation of diketopyrrolopyrrole based conjugated polymers (PDTDPPT, PDTDPPSe and PDTDPPTe) bearing S, Se, and Te towards oxidative addition of Br2 using absorption spectroscopy, NMR spectroscopy, cyclic voltammetry, atomic force microscopy, and density functional theory calculations. PDTDPPTe polymer displays a highly sensitive, selective, and rapid response to Br2.

    Original languageEnglish
    Pages (from-to)317-322
    Number of pages6
    JournalDyes and Pigments
    Volume123
    DOIs
    Publication statusPublished - 2015 Dec 1

    Bibliographical note

    Publisher Copyright:
    © 2015 Elsevier Ltd. All rights reserved.

    Keywords

    • Bromine sensor
    • Colorimetric sensor
    • Copolymer
    • Diketopyrrolopyrrole
    • Oxidative addition
    • Tellurophene

    ASJC Scopus subject areas

    • General Chemical Engineering
    • Process Chemistry and Technology

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