Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 114, Issue 5, Pages 2154-2159Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp9066247
Keywords
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Funding
- National Natural Science Foundation of China [20677010, 20873023]
- MOST of China [2006AA03Z340]
- National Basic Research Program of China [2007CB613306]
- Science Foundation of Fujian, China [JA07001, 2007F5066]
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ZnxCd1-xS nanorods were successfully synthesized by microwave method. Characterized by transmission electron microscopy, ZnxCd1-xS samples were composed of a large quantity of homogeneous rods with diameter about 10 nm. The photocatalytic degradation of methyl orange (MO) in the aqueous phase under visible light irradiation (420 nm < lambda < 800 nm) was taken as a model reaction. The conversion of MO degradation using Zn0.28Cd0.72S as the photocatalyst was up to 96% after 6 It of irradiation. The separation and identification of degradation products were measured by liquid chromatography mass spectroscopy (LC-MS). After 6 h of irradiation, the intensity of the main absorption peak of MO (m/z = 304) descended in mass spectrum view, while some new peaks of degradation products showed LIP. From these results of LC-MS analysis, it can be concluded that it was really a photocatalytic degradation process.
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