Photocatalytic properties of semiconductor SnO /CdS heterostructure nanocrystals
RSC Advances, ISSN: 2046-2069, Vol: 2, Issue: 27, Page: 10222-10230
2012
- 72Citations
- 26Captures
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Article Description
Here we report the photocatalytic properties of semiconductor SnO /CdS heterostructure nanocrystals. A type-II SnO /CdS heterostructure has been synthesized from a single-source precursor and its structure was determined using XRD, HRTEM, elemental mapping and line scan EDAX analysis. A time resolved spectroscopic study revealed the effective charge separation in this heterostructure and the mechanism of charge separation was proposed using a schematic model. It is important to mention that the conductivity was found to be lower in the SnO /CdS heterostructure compared to uncoated SnO nanorods due to efficient charge separation. The efficient charge separation in the SnO /CdS heterostructure revealed its higher photocatalytic activity and the photocatalytic degradation of Congo red dye was found to be 97% and 20% for the SnO /CdS heterostructure and SnO respectively under UV light irradiation.© 2012 The Royal Society of Chemistry.
Bibliographic Details
Royal Society of Chemistry (RSC)
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