An oxygen-tolerant visible light induced free radical polymerization using mesoporous graphitic carbon nitride

Kerem Kaya; Baris Kiskan; Baris Kumru; Bernhard V.K.J. Schmidt; Yusuf Yagci

doi:10.1016/j.eurpolymj.2019.109410

An oxygen-tolerant visible light induced free radical polymerization using mesoporous graphitic carbon nitride

Kerem Kaya, Baris Kiskan^*, Baris Kumru, Bernhard V.K.J. Schmidt, Yusuf Yagci

^*Corresponding author for this work

Department of Chemistry

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

30 Citations (Scopus)

Abstract

A novel oxygen-tolerant visible light photoinitiating system based on in-situ generation of Fenton reagents using mesoporous graphitic carbon nitride (mpg-C₃N₄) in conjunction with FeCl₃·6H₂O, water and oxygen for free radical polymerization is described. A mpg-C₃N₄-catalysed photoinduced electron transfer reactions of water/oxygen and Fe³⁺ were demonstrated to enable generation of hydroxyl radicals that are capable of initiating the polymerization of mono and bifunctional monomers. The efficiency of the photoinitiation is controlled by specific surface area of the carbon nitride. Apparently, non-porous carbon nitrides did not yield polymers under the given conditions. Due to its heterogeneous nature, after the polymerization, although at lower rate, separated mpg-C₃N₄ could be used for further polymerizations.

Original language	English
Article number	109410
Journal	European Polymer Journal
Volume	122
DOIs	https://doi.org/10.1016/j.eurpolymj.2019.109410
Publication status	Published - 5 Jan 2020

Bibliographical note

Publisher Copyright:
© 2019 Elsevier Ltd

Funding

The authors B.Ki., K.K, and Y.Y thank to the Istanbul Technical University Research Fund for financial support. Y.Y also thanks Alexander von Humboldt Foundationfor financial support by means of Research Award. B.Ku. and B.S. thank the Max Society for financial support. Appendix A

Funders	Funder number
Istanbul Technical University Research Fund
Max Society
Alexander von Humboldt-Stiftung

Keywords

Fenton reagent
Graphitic carbon nitride
Oxygen inhibition
Photopolymerization
Visible light

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10.1016/j.eurpolymj.2019.109410

Cite this

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title = "An oxygen-tolerant visible light induced free radical polymerization using mesoporous graphitic carbon nitride",

abstract = "A novel oxygen-tolerant visible light photoinitiating system based on in-situ generation of Fenton reagents using mesoporous graphitic carbon nitride (mpg-C3N4) in conjunction with FeCl3·6H2O, water and oxygen for free radical polymerization is described. A mpg-C3N4-catalysed photoinduced electron transfer reactions of water/oxygen and Fe3+ were demonstrated to enable generation of hydroxyl radicals that are capable of initiating the polymerization of mono and bifunctional monomers. The efficiency of the photoinitiation is controlled by specific surface area of the carbon nitride. Apparently, non-porous carbon nitrides did not yield polymers under the given conditions. Due to its heterogeneous nature, after the polymerization, although at lower rate, separated mpg-C3N4 could be used for further polymerizations.",

keywords = "Fenton reagent, Graphitic carbon nitride, Oxygen inhibition, Photopolymerization, Visible light",

author = "Kerem Kaya and Baris Kiskan and Baris Kumru and Schmidt, {Bernhard V.K.J.} and Yusuf Yagci",

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AU - Kaya, Kerem

AU - Kiskan, Baris

AU - Kumru, Baris

AU - Schmidt, Bernhard V.K.J.

AU - Yagci, Yusuf

PY - 2020/1/5

Y1 - 2020/1/5

N2 - A novel oxygen-tolerant visible light photoinitiating system based on in-situ generation of Fenton reagents using mesoporous graphitic carbon nitride (mpg-C3N4) in conjunction with FeCl3·6H2O, water and oxygen for free radical polymerization is described. A mpg-C3N4-catalysed photoinduced electron transfer reactions of water/oxygen and Fe3+ were demonstrated to enable generation of hydroxyl radicals that are capable of initiating the polymerization of mono and bifunctional monomers. The efficiency of the photoinitiation is controlled by specific surface area of the carbon nitride. Apparently, non-porous carbon nitrides did not yield polymers under the given conditions. Due to its heterogeneous nature, after the polymerization, although at lower rate, separated mpg-C3N4 could be used for further polymerizations.

AB - A novel oxygen-tolerant visible light photoinitiating system based on in-situ generation of Fenton reagents using mesoporous graphitic carbon nitride (mpg-C3N4) in conjunction with FeCl3·6H2O, water and oxygen for free radical polymerization is described. A mpg-C3N4-catalysed photoinduced electron transfer reactions of water/oxygen and Fe3+ were demonstrated to enable generation of hydroxyl radicals that are capable of initiating the polymerization of mono and bifunctional monomers. The efficiency of the photoinitiation is controlled by specific surface area of the carbon nitride. Apparently, non-porous carbon nitrides did not yield polymers under the given conditions. Due to its heterogeneous nature, after the polymerization, although at lower rate, separated mpg-C3N4 could be used for further polymerizations.

KW - Fenton reagent

KW - Graphitic carbon nitride

KW - Oxygen inhibition

KW - Photopolymerization

KW - Visible light

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An oxygen-tolerant visible light induced free radical polymerization using mesoporous graphitic carbon nitride

Abstract

Bibliographical note

Funding

Keywords

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