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dc.contributor.authorHota, G-
dc.contributor.authorIdage, S B-
dc.contributor.authorKhilar, K C-
dc.identifier.citationColloids and Surfaces A: Physicochemical and Engineering Aspects, Vol 293, Iss 1-3, P 5-12en
dc.descriptionCopyright for the published version of this article belongs to Elsevieren
dc.description.abstractThis paper reports the use of X-ray photoelectron spectroscopy (XPS) method for the characterization of surface composition of core and shell nanoparticles. The core and shell nanoparticles were synthesized using sodium bis(2-ethylhexyl) sulfosuccinate (AOT)/n-heptane/water microemulsion technique. The post-core and partial microemulsion methods have shown promise for core and shell formation and enhanced stability and sphericity of the semiconductor nanoparticles. In addition to above technique, the core-shell nanoparticles have also been characterized using SEM-elemental detection X-ray analysis (EDAX) and results are discussed. The XPS studies of CdS, Ag2S, and CdS–Ag2S nanoparticles prepared by post-core/partial microemulsion methods were carried out and results are compared with physical mixing of CdS and Ag2S nanoparticles. The Ag/Cd atomic ratio is found to be 5 and 10 as determined by XPS methods for nanoparticles prepared by using post-core and partial microemulsion methods, respectively. These results show the formation of core and shell nanoparticles.en
dc.format.extent718059 bytes-
dc.subjectw/o Microemulsionen
dc.titleCharacterization of nano-sized CdS–Ag2S core-shell nanoparticles using XPS techniqueen
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