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Conferences > SHBL > 1992 > TuB > TuB17

Two-Color Sensitization Mechanism of Photon-Gated Photochemical Hole Burninig in Photoreactive Polymers

Shinjiro Machida, Osamu Kyono, Kazuyuki Horie, and Takashi Yamashita

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Abstract

Recently, a new type of photon-gated photochemical hole burning (PHB) system was provided1. The material consists of a zinc 9,18,27,36-tetra(4-tolyl)-tetrabenzoporphine (ZnTTBP) as the guest molecule, and a glycidylazide polymer (GAP) cross-linked with trimethylolpropane or ethylene glycol and isophorone diisocyanate as the photoreactive matrix polymer. The hole formation mechanism of this ZnTTBP/GAP system by two-color irradiation is concluded to be the sensitized decomposition reaction of excited azide groups via triplettriplet energy transfer.

© 1992 Optical Society of America

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