Pyrene-Tiaraed Pillar[5]Arene: Strong Intramolecular Excimer Emission Applicable For Photo-Writing

A pyrene-tiaraed pillar[5]arene derivative was synthesized, which showed a concentration-independent intensive excimer emission. Photolysis of the pyrene-tiaraedpillar[5]arene led to a switch from excimer to monomer emission, applicable to photo-writing. (C) 2020 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.