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Issue 4, 2017
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Synthesis and photophysical properties of extended π conjugated naphthalimides

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Abstract

A series of π conjugated naphthalimide derivatives having an imide group as an acceptor conjugated with a methoxy arylethynyl or a methoxyphenyl triazole as a donor were prepared by Sonogashira coupling or “click” chemistry. Their photophysical properties were investigated by steady state and time resolved fluorescence spectroscopy and modelled by TD-DFT calculations. Compound Naphth-AlkyneOMe has a high fluorescence quantum yield and displays efficient photoinduced charge transfer in solution as well as in the powder state. Compound Naphth-TriazoleOMe exhibits a very high Stokes shift and its fluorescence quantum yield is low, which can be rationalized by theoretical calculations.

Graphical abstract: Synthesis and photophysical properties of extended π conjugated naphthalimides

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Supplementary files

Article information


Submitted
15 Oct 2016
Accepted
05 Jan 2017
First published
13 Jan 2017

Photochem. Photobiol. Sci., 2017,16, 539-546
Article type
Paper

Synthesis and photophysical properties of extended π conjugated naphthalimides

C. Rémy, C. Allain and I. Leray, Photochem. Photobiol. Sci., 2017, 16, 539
DOI: 10.1039/C6PP00372A

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