Abstract
N-Vinylcarbazole (NVK) has been shown to be an ideal candidate for the sunlight-induced thiol-ene click reactions, in which it simultaneously plays the role of both a photoinitiator and a monomer. The former role of NVK brings the increased efficiency of fluorescent-brightener-mediated thiol-ene polymerizations under sunlight exposure, more interesting, this excellent performance realizes the high value utilization of natural sunlight, thereby opening new opportunities for the applications of thiol-ene click reactions. Meanwhile, the latter role of NVK affords a novel yet facile approach to prepare luminescent coatings in a green and sustainable way, whose fluorescence color could be alterable by varying the photocurable formulations. Based on the characteristics of the blue fluorescence emitted by polyvinylcarbazole, the resulting poly(thioester-co-carbazole) shows favorable attributes and holds great potential for the applications in the field of information encryption transmission.
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