Coordination-Driven Pyridine Capture in a Solid-State Zn(II) Complex for Rapid and Reversible Turn-On Vapoluminescence.

Authors

Sotaro Kusumoto, Kazuki Nakahama, Kouta Karube, Yuudai Iwai, Ryo Ohtani, Fumiya Kobayashi, Kosaku Ohishi, Teruki Motohashi, Yang Kim, Yoshihiro Koide

Published in

Inorganic chemistry. Volume 65. Issue 35. Pages 20181-20186. Sep 07, 2026.

Abstract

A Zn(II) hydrazone complex undergoes reversible, coordination-driven pyridine capture in the solid state, producing rapid vapochromic and turn-on vapoluminescent responses. Interconversion between ZnL2 and ZnL2(Py) increases the photoluminescence quantum yield from 5.86% to 25.4% by inducing rigidity and suppressing nonradiative decay. This work demonstrates that reversible guest coordination is a powerful strategy for controlling solid-state luminescence and for designing VOC-responsive sensing materials.

PMID:
42704178
Bibliographic data and abstract were imported from PubMed on 07 Sep 2026.

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