5 years ago

Tunable Luminescent Lanthanide Supramolecular Assembly Based on Photoreaction of Anthracene

Tunable Luminescent Lanthanide Supramolecular Assembly Based on Photoreaction of Anthracene
Zhi-Yuan Zhang, Heng-Yi Zhang, Yan Zhou, Yu Liu
Lanthanide luminescence materials generally show great superiority in light-emitting materials, gaining increasingly exploration in the design of advanced functional materials. Herein, we prepared a supramolecular assembly via the coordination of a host molecule (1) and dilanthanide metal. Compound 1 possesses a 9,10-diphenylanthracene (ant) core with photosensitivity and terminal terpyridine (tpy), containing two-arm dibenzo-24-crown-8. The assembly could exhibit excellent lanthanide luminescence after undergoing a photoreaction from anthracene unit in 1. Significantly, the luminescence of the assembly could be reversibly switched on and off through a regulable photoreaction upon light irradiation or heating. The multiple functional behavior combined with the ease of assembly reveals that this photo/thermo-controlled lanthanide luminescence supramolecular polymer design method offers a convenient pathway for future engineering of multi-stimuli-responsive materials.

Publisher URL: http://dx.doi.org/10.1021/jacs.7b03153

DOI: 10.1021/jacs.7b03153

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