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Cyclometallated Pt(II) Complexes in Visible-Light Photoredox Catalysis: New Polymerization Initiating Systems
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Indexed by:期刊论文

Date of Publication:2012-11-14

Journal:MACROMOLECULAR CHEMISTRY AND PHYSICS

Included Journals:SCIE、EI、Scopus

Volume:213

Issue:21

Page Number:2282-2286

ISSN No.:1022-1352

Key Words:cationic ring-opening polymerization; photocatalysts; photoinitiators; Pt(II) complexes; silyl radicals

Abstract:A household halogen lamp is used to promote the ring-opening photopolymerization of epoxides in the presence of coumarin moiety containing Pt(II) complex/silane/iodonium salt combinations (epoxide/acrylate interpenetrated polymer networks can also be synthesized). Excellent polymerization profiles are obtained (conversions >70%) under this selected very soft irradiation. These Pt(II) complexes behave as photocatalysts in an oxidative cycle. A photoluminescent polymer can be in situ synthesized thanks to the luminescence properties of these complexes. The mechanisms are investigated by ESR, laser flash photolysis, and luminescence experiments.

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Gender:Male

Alma Mater:Jilin University

Degree:Doctoral Degree

School/Department:School of Chemistry Engineering

Discipline:Organic Chemistry. Applied Chemistry. Physical Chemistry (including Chemical Physics)

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