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White-light emission from a pyrimidine–carbazole conjugate with tunable phosphorescence–fluorescence dual emission and multicolor emission switching

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Abstract

A metal-free organic carbazole–pyrimidine dye exhibiting phosphorescence–fluorescence dual emission was developed into a white-light emission-switching system. The two crystal polymorphs obtained by breaking the molecular symmetry responded to the external stimuli of heating, vapor-fuming, and mechanical grinding, resulting in a tricolor switching system that includes white-light emission.

Graphical abstract: White-light emission from a pyrimidine–carbazole conjugate with tunable phosphorescence–fluorescence dual emission and multicolor emission switching

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Article information


Submitted
10 Jan 2020
Accepted
10 Mar 2020
First published
10 Mar 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

White-light emission from a pyrimidine–carbazole conjugate with tunable phosphorescence–fluorescence dual emission and multicolor emission switching

T. Ishi-i, H. Tanaka, I. S. Park, T. Yasuda, S. Kato, M. Ito, H. Hiyoshi and T. Matsumoto, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC00251H

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