期刊
DYES AND PIGMENTS
卷 211, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2023.111076
关键词
Light -harvesting; Sequential energy transfer; Polyelectrolyte material; Photocatalysis
In this study, an efficient artificial light-harvesting system was constructed using a polyelectrolyte material sodium carboxymethyl cellulose (CMC) and an AIE molecule cyano-substituted amphiphilic hydroquinone derivative (PPTA) in an aqueous solution. The energy harvested by fluorescent dyes EY and SR101 from the supramolecular assembly PPTA-CMC was utilized for photochemical catalysis reactions in the aqueous medium, including dehalogenation, cross dehydrogenation coupling, and alkylation.
In this work, an efficient artificial light-harvesting system with a two-step sequential energy transfer process was first constructed based on the polyelectrolyte material sodium carboxymethyl cellulose (CMC) and AIE molecule cyano-substituted amphiphilic hydroquinone derivative (PPTA) in an aqueous solution. The energy harvested by the two fluorescent dyes EY and SR101 from the supramolecular assembly PPTA-CMC was fully used for photochemical catalysis for the dehalogenation of alpha-bromoacetophenone, cross dehydrogenation coupling reaction (CDC), and alkylation of C-H bonds of phenyl vinyl sulfone (PVS) and tetrahydrofuran (THF) in the aqueous medium.
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