Issue 95, 2023

Excitation wavelength-dependent multi-coloured and white-light emissive pyrene-based hydrazones: suppression of Kasha's rule

Abstract

Multi-coloured and white-light emissions from pyrene-based hydrazones are described. They exhibit excitation wavelength-dependent emissions in solution due to the suppression of Kasha's rule. Interestingly, in dimethylformamide, 13 emit light that covers all the regions of primary colours as a function of excitation wavelength, and 1 and 2 emit white light (λex = 420 nm) in isopropanol.

Graphical abstract: Excitation wavelength-dependent multi-coloured and white-light emissive pyrene-based hydrazones: suppression of Kasha's rule

Supplementary files

Article information

Article type
Communication
Submitted
15 Sep 2023
Accepted
01 Nov 2023
First published
03 Nov 2023

Chem. Commun., 2023,59, 14122-14125

Excitation wavelength-dependent multi-coloured and white-light emissive pyrene-based hydrazones: suppression of Kasha's rule

N. K. M, D. L. Lyngkhoi, S. Gaikwad, J. Samanta, R. Ahamed, S. Khatua and S. Pramanik, Chem. Commun., 2023, 59, 14122 DOI: 10.1039/D3CC04584F

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