Tuning the surface properties of alloyed CdS x Se 1−x 2D nanosheets

Low temperature synthesis of CdS x Se 1−x 2D nanosheets allows tuning of the optoelectronic properties by surface engineering. Analysis by ligand exchange revealed a Se-rich surface. By adjusting the reaction temperature, it was possible to control the surface passivation thus using the charge trans...

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Bibliographic Details
Published in:RSC advances 2015, Vol.5 (122), p.100834-100837
Main Authors: Maiti, Pradipta Sankar, Bar Sadan, Maya
Format: Article
Language:English
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Summary:Low temperature synthesis of CdS x Se 1−x 2D nanosheets allows tuning of the optoelectronic properties by surface engineering. Analysis by ligand exchange revealed a Se-rich surface. By adjusting the reaction temperature, it was possible to control the surface passivation thus using the charge transfer to the ligands for reduced recombination and emission. These structures can be used for applications where fast recombination should be avoided, such as photocatalysis.
ISSN:2046-2069
2046-2069
DOI:10.1039/C5RA22014A