Stimuli-Responsive Properties of a Zinc(II) Salen-Type Schiff-Base Complex and Vapochromic Detection of Volatile Organic Compounds
Massimiliano Gaeta,
Ivan Pietro Oliveri,
Gabriella Munzi
et al.
Abstract:This contribution reports, through a combined thermogravimetric analysis, differential scanning calorimetry, UV− vis, powder X-ray diffraction, and Rietveld refinement analysis, on the stimuli-responsive chromic properties of a substituted Zn-(salmal) Schiff-base Lewis acidic complex with unique and distinct thermo-and vapochromic characteristics. The solid complex obtained in air or by evaporation of the solvent from their THF solutions shows a marked thermochromism associated with a phase transition, unusual… Show more
Fluorescence emission of DADQ based molecules is shown to be easily tuned by exposure to mild acids and the mechanistic basis for this involving the dielectric environment variation is explored.
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