期刊
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
卷 21, 期 20, 页码 11884-11892出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-013-2311-8
关键词
Singlet oxygen; Photocatalysis; Photosensitizer
Two new photoactive materials compatible with environmentally friendly solvents (water and methanol) have been synthesized and characterized. They are comprised of a porous matrix of polystyrene and divinylbenzene with bound Rose Bengal and additional pendant groups added to increase the hydrophilicity (ethylenediamine and gamma-gluconolactone). The new polymers are efficient photocatalysts capable of generating singlet oxygen after irradiation with visible light. Photochemical oxygenations of 9,10-anthracenedipropionic acid and 2-furoic acid have been carried out. The measured conversions indicate that the new supported photosensitizers are more effective than the parent hydrophobic polymer.
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