Switching of Polymorph‐Dependent ESIPT Luminescence of an Imidazo[1,2‐ <i>a</i> ]pyridine Derivative

Mutai, Toshiki; Tomoda, Haruhiko; Ohkawa, Tatsuya; Yabe, Yuji; Araki, Koji

doi:10.1002/anie.200803975

Public

Switching of Polymorph‐Dependent ESIPT Luminescence of an Imidazo[1,2‐ a ]pyridine Derivative

Published in Angewandte Chemie International Edition • Oct 29, 2008

Authors:

Toshiki Mutai

Haruhiko Tomoda

Tatsuya Ohkawa

Abstract

Reproducible switching of the polymorph-dependent excited-state intramolecular proton-transfer (ESIPT) luminescence of an imidazo[1,2-a]pyridine between blue-green and yellow (see picture) is achieved by thermal control of its solid-state molecular packing. Thus, ESIPT is a promising mechanism for p...

Subject

Luminescence

Pyridine

Intramolecular force

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