Crystal structure and spectroscopic study on photochromism of 1,3-diphenyl-4-(4′-fluoro)benzal-5-pyrazolone N(4)-phenyl semicarba-zone

Add time:07/17/2019    Source:sciencedirect.com

A novel compound 1,3-diphenyl-4-(4′-fluoro)benzal-5-pyrazolone N(4)-phenyl semicarbazone (DP4FBP-PSC) has been synthesized. X-ray single crystal structure analysis shows that the compound has interlaced structure linked by intermolecular hydrogen bonds. The results of fluorescence emission spectroscopy, UV–Vis reflection spectroscopy and the reaction rate constant indicate that DP4FBP-PSC is photochromic material. Its photochromic mechanism was investigated by structure analysis.

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