Regulation of the frontier molecular orbitals and photophysical properties of boron tropolonate complexes by regioselective functionalization

Abstract

Here, we show that the C5 substitution in α-tropolone efficiently modulates the energy level of the highest occupied molecular orbital rather than the lowest unoccupied one. Furthermore, the C5-substitution imparts functional luminescent properties, such as aggregation-induced emission, room-temperature phosphorescence, and thermally activated delayed luminescence.

Graphical abstract: Regulation of the frontier molecular orbitals and photophysical properties of boron tropolonate complexes by regioselective functionalization

Supplementary files

Article information

Article type
Communication
Submitted
23 Jul 2025
Accepted
14 Aug 2025
First published
22 Aug 2025

Chem. Commun., 2025, Advance Article

Regulation of the frontier molecular orbitals and photophysical properties of boron tropolonate complexes by regioselective functionalization

H. Ogoshi, S. Ito and K. Tanaka, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC04171F

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