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Furil-based ionic small molecules for green-emitting non-doped LECs with improved color purity†
Jino C. John,Kanagaraj Shanmugasundaram,Gopinadhanpillai Gopakumar,Youngson Choe
New Journal of Chemistry Pub Date : 03/25/2021 00:00:00 , DOI:10.1039/D1NJ00155H
Abstract

Two novel furil-based small molecules FlBzPy and FlThPy were designed and synthesized with simple synthetic procedures for the first time for the LEC application. The optical, thermal, electronic, electroluminescent, and electrochemical properties were thoroughly analyzed. Both emitters exhibited excellent thermal and electroluminescent properties, which are required for a better LEC device. FlBzPy and FlThPy showed strong green emission at 511 and 514 nm, respectively. Additionally, they showed good power efficiency, quantum efficiency and luminance. In addition, the newly synthesized novel fluorophores showed CIE coordinates (0.23, 0.56) (FlBzPy) and (0.25, 0.53) (FlThPy) with better color purity.

Graphical abstract: Furil-based ionic small molecules for green-emitting non-doped LECs with improved color purity
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