期刊
DYES AND PIGMENTS
卷 103, 期 -, 页码 154-160出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2013.12.006
关键词
Diketopyrrolopyrrole derivative; Fluorescent chemodosimeter; Fluoride sensor; Trimethylsilyl group; Density functional theory; Deprotection
资金
- National Research Foundation of Korea [NRF2012R1A2A1A01008797]
- Key Research Institute Program through the National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [NRF20100020209]
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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