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Updated: Nov 9, 2025

Determination of the Photoisomerization Quantum Yield of a Hydrazone Photoswitch
Published on: February 7, 2022
Force-, heat- and acid-induced fluorescent switching properties of an anthracene-based hydrazide derivative
Yu Gu1, Yilin Chen1, Binglian Bai1
1College of Physics, Jilin University, Changchun 130012, PR China.
Abstract:
A novel anthracene-based hydrazide derivative (3,4-ENS) was designed and synthesized, and 3,4-ENS can form stable organogel in dimethyl sulfoxide (DMSO) solvent. Firstly, 3,4-ENS xerogel from DMSO exhibits mechanofluorochromic property and its maximum emission shifts from 433 nm to 484 nm upon grinding. Secondly, DMSO xerogel exhibits thermofluorochromic behavior and its maximum emission shifts from 433 nm to 481 nm upon heating at 110 °C. Thirdly, DMSO xerogel exhibits acidofluorochromic behavior and its maximum emission shifts from 433 nm to 466 nm upon fuming by TFA vapors. The experimental results confirmed that the different luminescent property of 3,4-ENS attributed to the phase transition from well-ordered crystals to metastable disordered aggregation.
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