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Issue 11, 2020
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A naphthalimide-based thermometer: heat-induced fluorescence “turn-on” sensing in a wide temperature range in ambient atmosphere

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Abstract

A heat-induced fluorescent “turn-on” sensor based on naphthalimide, NapPT-1, in which thioether chains were joined at the 4-site of naphthalimide, was designed and synthesized. NapPT-1 can act as a temperature sensitive sensor due to the PET inhibition process, and displays obvious “turn-on” fluorescence emission which increases gradually within the temperature range from −20 to 150 °C. NapPT-1 has good reversibility from 20 to 100 °C and can work effectively in a wide temperature range. A variable temperature experiment on NapPT-1 in polymer film verified that NapPT-1 has good practicability.

Graphical abstract: A naphthalimide-based thermometer: heat-induced fluorescence “turn-on” sensing in a wide temperature range in ambient atmosphere

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Supplementary files

Article information


Submitted
09 Dec 2019
Accepted
12 Feb 2020
First published
24 Feb 2020

New J. Chem., 2020,44, 4547-4553
Article type
Paper

A naphthalimide-based thermometer: heat-induced fluorescence “turn-on” sensing in a wide temperature range in ambient atmosphere

S. Wang, J. Cao and C. Lu, New J. Chem., 2020, 44, 4547
DOI: 10.1039/C9NJ06101K

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