Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 141, Issue 37, Pages 14712-14719Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.9b06493
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Funding
- National Science Foundation of China [21788102, 21490570, 21490574]
- Research Grant Council of Hong Kong [16308116, 16303815, C6009-17G, A-HKUST605/16]
- Innovation and Technology Commission [ITC-CNERC149C01, ITCPD/17-9]
- Science and Technology Plan of Shenzhen [JCYJ20160229205601482, JCYJ20170818113602462]
- National Natural Science Foundation of China [21705111]
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Polymers containing rich chalcogen elements are rarely reported due to the lack of facile synthesis methods. Herein, a novel multicomponent polymerization route toward chalcogen-rich polymers was introduced. A series of poly(vinyl sulfones) (PVSs) were synthesized at room temperature using readily prepared monomers. PVSs were generated with high regio- and stereo-selectivity in high yields (up to 92.3%). Rich chalcogen elements endowed PVSs with distingctive multifunctionalities. The PVSs possessed good solubility and film-forming ability. Their thin films exhibited outstanding refractive indices up to 1.8062 at 550.0 nm together with good optical transparency in the visible region. Thin films of some polymers can also be fabricated into well-resolved fluorescent photopatterns by photolithography. Thanks to the unique redox properties of selenium, postmodification by oxidation reaction of P1a/2/3a successfully eliminates the caused heavy atom effect and endow resulting polymers with novel functionality as fluorescent bioprobes for cellular imaging.
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