Issue 14, 2016

Recent advances in twisted intramolecular charge transfer (TICT) fluorescence and related phenomena in materials chemistry

Abstract

Twisted intramolecular charge transfer (TICT) is an electron transfer process that occurs upon photoexcitation in molecules that usually consist of a donor and acceptor part linked by a single bond. Following intramolecular twisting, the TICT state returns to the ground state either through red-shifted emission or by nonradiative relaxation. The emission properties are potentially environment-dependent, which makes TICT-based fluorophores ideal sensors for solvents, (micro)viscosity, and chemical species. Recently, several TICT-based materials have been discovered to become fluorescent upon aggregation. Furthermore, various recent studies in organic optoelectronics, non-linear optics and solar energy conversions utilised the concept of TICT to modulate the electronic-state mixing and coupling on charge transfer states. This review presents a compact overview of the latest developments in TICT research, from a materials chemistry point of view.

Graphical abstract: Recent advances in twisted intramolecular charge transfer (TICT) fluorescence and related phenomena in materials chemistry

Article information

Article type
Review Article
Submitted
23 Nov. 2015
Accepted
10 Febr. 2016
First published
11 Febr. 2016
This article is Open Access
Creative Commons BY-NC license

J. Mater. Chem. C, 2016,4, 2731-2743

Author version available

Recent advances in twisted intramolecular charge transfer (TICT) fluorescence and related phenomena in materials chemistry

S. Sasaki, G. P. C. Drummen and G. Konishi, J. Mater. Chem. C, 2016, 4, 2731 DOI: 10.1039/C5TC03933A

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