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Chemodosimeter approach: Selective detection of fluoride ion using a diketopyrrolopyrrole derivative
- Authors
- Kaur, Matinder; Cho, Min Ju; Choi, Dong Hoon
- Issue Date
- 4월-2014
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Diketopyrrolopyrrole derivative; Fluorescent chemodosimeter; Fluoride sensor; Trimethylsilyl group; Density functional theory; Deprotection
- Citation
- DYES AND PIGMENTS, v.103, pp.154 - 160
- Indexed
- SCIE
SCOPUS
- Journal Title
- DYES AND PIGMENTS
- Volume
- 103
- Start Page
- 154
- End Page
- 160
- ISSN
- 0143-7208
- Abstract
- A diketopyrrolopyrrole derivative was synthesized and designed with two trimethylsilyl groups to allow for sensitive, selective and fast recognition of fluoride ions by using a chemodosimeter approach. The probe exhibited a blue shift in the absorption and emission spectra in the presence of fluoride ions due to deprotection of the electron donating trimethylsilyl groups in the probe. UV-vis absorption, fluorescence, density functional theory and cyclic voltammetry studies indicated fluoride triggered cleavage of the Si-C bond resulting in the blue spectral shift. (C) 2013 Elsevier Ltd. All rights reserved.
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