Journal
CHEMSUSCHEM
Volume 11, Issue 5, Pages 843-847Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201800047
Keywords
electrostatic interactions; membranes; photochemistry; pollution remediation; radicals
Funding
- Chinese Academy of Sciences [XDB140201010]
- National Natural Science Foundation of China [21377156]
- Program for Innovative Research Team (in Science and Technology) of the University of Henan Province [16IRTSTHN014]
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A simple, clean, and efficient method has been developed for generating hydroxyl radicals on a nitrocellulose membrane (NCM) under light of wavelengths greater than 280 nm. Hydroxyl radicals formed on the NCM surface, diffusing into the bulk solution under irradiation. Radical generation was shown to be dependent on the nature of the NCM and light, and independent of the properties of the bulk solution. The quantum yield for hydroxyl radicals from the NCM was 1.72 x 10(-4), which is approximately 2.46 times that from TiO2. This hydroxyl radical generation method was preliminarily applied in the photodegradation of organic pollutants, in which electrostatic interactions between the pollutant molecules and the NCM surface were found to play a key role. Further applications of this hydroxyl radical generation method should be assessed.
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