Preparation and Application of a New Chalcone Fluorescent Dye
A new type of chalcone dye was prepared from triphenylamine and 5-methoxy-1-indanone.The structure of the dye was determined by 1 H-NMR,13 C-NMR and HRMS.The maximum absorption wavelength of the dye was 423 nm in DMSO solution,its maximum liquid fluorescence emission wavelength was 507 nm,and its maximum solid fluorescence emission wavelength was 594 nm.A new type of fluorescent fingerprint powder was prepared by adsorbing it onto montmorillonite.Fluorescence imaging tests showed that it could effectively display fingerprint latent images on surfaces of glass,marble,tin foil and plastic.
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