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Chemical Communications

Eliminating π-Conjugation to Enhance Aurophilic Interactions and Aggregation-Induced Phosphorescence in Au(I) Complexes

Andriani Furoida,   Kazuhisa Ozaki,   Ryoko Niimi,   Arushi Rawat,   Kohsuke Matsumoto,   Kaori Fujisawa  and  Osamu Tsutsumi  

Abstract

We synthesised Au(I) complex C6 with a non-conjugated cyclohexyl isocyanide ligand. Despite lacking π-conjugation, C6 crystals show intense yellow RTP at 620 nm, surpassing π-conjugated P6. Efficient emission arises from aurophilic-interaction-driven aggregation and excited-state Au•••Au shortening, highlighting a strategy to enhance metallophilic interactions in heavy-metal aggregation-induced emitters.

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Article information

DOI
https://doi.org/10.1039/D5CC04683A
Article type
Communication
Submitted
14 Aug 2025
Accepted
01 Oct 2025
First published
20 Oct 2025

Chem. Commun., 2025, Accepted Manuscript

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Eliminating π-Conjugation to Enhance Aurophilic Interactions and Aggregation-Induced Phosphorescence in Au(I) Complexes

A. Furoida, K. Ozaki, R. Niimi, A. Rawat, K. Matsumoto, K. Fujisawa and O. Tsutsumi, Chem. Commun., 2025, Accepted Manuscript , DOI: 10.1039/D5CC04683A

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