Synthesis of a New Photochromic Compound for Optical Storage

Abstract:

A new photochromic compound 1-[2,5-dimethyl-3-thienyl]-2-[2-methyl-5-pyridine-3-yl-3-thieyl] perfluoroyclopentene(1a) was synthesized, its photochromic properties were examined, the result indicated that the color of the compound 1a changed from colorless to a purple one upon irradiation with 297 nm UV light, a new absorption maxima were observed at 549 and 553 nm in hexane and PMMA film, respectively. The the photochromic reaction kinetics indicated that the cyclization processes of 1 belong to the zeroth order reaction and the cycloreversion process belong to the first order reaction.This new photochromic system also exhibited remarkable optical storage character.

• Periodical: Advanced Materials Research (Volumes 156-157)
• Pages: 462-466
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.156-157.462
• Online since: October 2010
• Authors: Shi Qiang Cui, Shou Zhi Pu, Gang Liu, Wei Jun Liu
• Keywords: Cyclisation, Cycloreversion, Optical Storage, Photochromic Compound

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