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Title: | Induced Aggregation of AIE-Active Mono-Cyclometalated Ir(III) Complex into Supramolecular Branched Wires for Light-Emitting Diodes |
Authors: | Laskar, Inamur Rahaman |
Keywords: | Chemistry AIE-Active Mono-Cyclometalated Ir(III) Supramolecular Branched Wires Light-Emitting Diodes |
Issue Date: | Apr-2017 |
Publisher: | Wiley |
Abstract: | Aggregation-induced emission (AIE) is commonly observed in irregular bulk form. Herein, unique aggregation properties of an AIE-active complex into branched supramolecular wires are reported for the first time. Mono-cyclometalated Ir(III) complex shows in-plane J-aggregation at the air–water interface owing to the restriction of intramolecular vibration of bidentate phenylpyridinato and intramolecular rotations of monodentate triphenylphosphine ligands at air–water interface. As a consequence, a large enhancement of luminescence comparable to the solid state is obtained from the monolayers of supramolecular wires. This unique feature is utilized for the fabrication of light-emitting diodes with low threshold voltage using supramolecular wires as active layer. This study opens up the need of ordered assembly of AIE complexes to achieve optimal luminescence characteristics. |
URI: | http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/3122 |
ISBN: | https://onlinelibrary.wiley.com/doi/10.1002/smll.201603780 |
Appears in Collections: | Department of Chemistry |
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