TRANSIENT ABSORPTION SPECTRA AND DECAY KINETICS OF N-SALICYLIDENE-p-METHYLANILINE

doi:10.7517/j.issn.1674-0475.1996.02.178

Imaging Science and Photochemistry ›› 1996, Vol. 14 ›› Issue (2): 178-181.DOI: 10.7517/j.issn.1674-0475.1996.02.178

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TRANSIENT ABSORPTION SPECTRA AND DECAY KINETICS OF N-SALICYLIDENE-p-METHYLANILINE

WANG Fengqi¹, LIU Xinhou¹, ZHANG Jiancheng¹, YAO Side², LIN Nianyun²

1. Institute of Photographic Chemistry, The Chinese Academy of Scieme, Beijing 100101, P. R. China;
2. Laboratory of Radiation Chemistry, The Chinese Academy of Sciences, Shanghai 201800, P. R. China

Received:1995-10-09 Revised:1996-12-26 Online:1996-05-20 Published:1996-05-20

Abstract

Abstract: The photochromism of Schiff bases derived from salicylaldehyde and its derivatives have been an active field for three-quarters of the century^[1,2];many papers have been published on this phenomenon especially in the last decade. Although there is a general agreement that the coloration process involves an intramolecular proton transfer from hydroxyl group to the imine nitrogen atom followed by framework changes of the molecule^[3,6],the structure and configuration of the coloured species are still the subject of intensive discussion^[7,8]. In order to obtain more information on Schiff bases,we studied a series of these compounds. In this paper,we report the transient absorption spectra and the de gay kinetics of N-salicylidene-p-methylaniline.

Key words: photochromism, schiff bases, photoproduct, flash photolysis, zwitterion

WANG Fengqi, LIU Xinhou, ZHANG Jiancheng, YAO Side, LIN Nianyun. TRANSIENT ABSORPTION SPECTRA AND DECAY KINETICS OF N-SALICYLIDENE-p-METHYLANILINE[J]. Imaging Science and Photochemistry, 1996, 14(2): 178-181.

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TRANSIENT ABSORPTION SPECTRA AND DECAY KINETICS OF N-SALICYLIDENE-p-METHYLANILINE

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