Cationic and radical polymerization using a boron-thienothiophene-triphenylamine based D-π-A type photosensitizer under white LED irradiation

Ali Suerkan; Recep Isci; Turan Ozturk; Yusuf Yagci

doi:10.1039/d3me00083d

Cationic and radical polymerization using a boron-thienothiophene-triphenylamine based D-π-A type photosensitizer under white LED irradiation

Ali Suerkan, Recep Isci^*, Turan Ozturk, Yusuf Yagci^*

^*Corresponding author for this work

Department of Chemistry

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

A donor-π-acceptor type photoinitiator, composed of boron-thienothiophene-triphenylamine (DMB-TT-TPA) to be used as a synthesizer under white LED irradiation, was studied for cationic and radical polymerization of mono and difunctional monomers. The monomers methyl methacrylate (MMA), styrene (Sty), cyclohexene oxide (CHO), isobutyl vinyl ether (IBVE), triethylene glycol dimethacrylate (TEGDMA) and bisphenol A diglycidyl ether (BADGE) were exposed to irradiation under a white LED source in CH₂Cl₂ with DMB-TT-TPA, in the presence of diphenyliodonium hexafluorophosphate (DPI). Of the spectroscopic techniques, fluorescence was used to investigate the photophysical characteristics of DMB-TT-TPA to gather data that would be helpful in affirming the initiation process. The presence of the synthesizer in all the polymer structures was proved by NMR spectroscopy studies. The importance of the described photoinduced electron transfer process with respect to the initiation of radical and cationic polymerizations and formation of conjugated polymers was demonstrated.

Original language	English
Pages (from-to)	1319-1326
Number of pages	8
Journal	Molecular Systems Design and Engineering
Volume	8
Issue number	10
DOIs	https://doi.org/10.1039/d3me00083d
Publication status	Published - 3 Jul 2023

Bibliographical note

Publisher Copyright:
© 2023 The Royal Society of Chemistry.

Funding

The authors dedicate this publication to the late Prof. Yusuf Yagci for his valuable contributions to polymer science over the years. This work was supported by the Istanbul Technical University Research Fund and the Scientific and Technological Research Council of Turkey (TUBITAK Project Number: 120C121). We thank the Higher Education Council of Turkey (YOK) and TUBITAK grants to Recep Isci (PhD, 100/2000 YOK and 2211A BIDEP/TUBITAK) and Unsped Global Lojistik, Turkey, for financial support.

Funders	Funder number
Higher Education Council of Turkey
Istanbul Technical University Research Fund
YOK	2211A BIDEP/TUBITAK
Türkiye Bilimsel ve Teknolojik Araştırma Kurumu	120C121

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AU - Yagci, Yusuf

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Cationic and radical polymerization using a boron-thienothiophene-triphenylamine based D-π-A type photosensitizer under white LED irradiation

Abstract

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