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Updated: May 6, 2026

Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach
Published on: June 10, 2021
Enhanced proportion of radiative excitons in non-doped electro-fluorescence generated from an imidazole derivative
Shitong Zhang1, Weijun Li, Liang Yao
1State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun, 130012, P. R. China. yangbing@jlu.edu.cn ygma@jlu.edu.cn.
Abstract:
A greatly enhanced proportion of radiative excitons in non-doped blue electroluminescence with a maximum exciton utilizing efficiency (EUE) of 85% is harvested in the orthogonal cyano substituted, charge transfer (CT) emitter TPMCN, in comparison to the localized emission (LE)-like emitter TPM with a low EUE of 16%.
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