Issue 25, 2021

New horizons for carbon dots: quantum nano-photoinitiating catalysts for cationic photopolymerization and three-dimensional (3D) printing under visible light

Abstract

Herein, the application of various citric acid-based carbon dots (CDs) as efficient photosensitizers of iodonium salts in initiating the light-induced cationic polymerization process was investigated. Hence, carbon dots prepared from citric acid only (CA-CDs) and doped with amino (N-doped-CA-CDs) and sulphur (N,S-doped-CA-CDs) precursors have been utilized as universal iodonium salt photosensitizers for the cationic photopolymerization of vinyl and epoxy monomers and the free-radical photopolymerization of acrylates including the formation of hydrogels. Furthermore, carbon dots have been found to be intriguing nano-photoinitiating catalysts that exhibit extraordinary properties and can be successfully applied in 3D printing under visible light.

Graphical abstract: New horizons for carbon dots: quantum nano-photoinitiating catalysts for cationic photopolymerization and three-dimensional (3D) printing under visible light

Supplementary files

Article information

Article type
Paper
Submitted
19 2 2021
Accepted
07 5 2021
First published
11 6 2021
This article is Open Access
Creative Commons BY-NC license

Polym. Chem., 2021,12, 3661-3676

New horizons for carbon dots: quantum nano-photoinitiating catalysts for cationic photopolymerization and three-dimensional (3D) printing under visible light

W. Tomal, T. Świergosz, M. Pilch, W. Kasprzyk and J. Ortyl, Polym. Chem., 2021, 12, 3661 DOI: 10.1039/D1PY00228G

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