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- Publisher
- Springer Journals
- Copyright
- Copyright © 2011 by Springer-Verlag
- Subject
- Chemistry; Condensed Matter Physics; Renewable and Green Energy; Optical and Electronic Materials; Electrochemistry
- ISSN
- 0947-7047
- eISSN
- 1862-0760
- DOI
- 10.1007/s11581-011-0570-2
- Publisher site
- See Article on Publisher Site
Abstract
This present paper reports the study of cadmium sulphide (CdS) nanoparticles prepared under controlled condition in methanolic solution and also in polyethylene oxide polymer electrolyte matrix. The sulphurations of the cadmium salts were done in situ by a sodium sulphide solution. The concentration of the precursors has been controlled as detailed in the paper. All the preparation and characterization were carried out at room temperature. The nanoparticles were characterized by UV/Vis spectra in the range of 600 to 250 nm. The absence of bulk/micron size particles was noted in either of the system. The absorption edge near 510 nm indicates the presence of bulk CdS, whereas the presence of nanometer-sized particles is also reflected in low wavelength region. The sizes of the particles as well as particle distribution have been estimated using X-ray diffraction and scanning electron microscopy, respectively. A comparison in the spectra has been done for the sample prepared in either of the matrices. The particle size distribution in the polymeric matrix has been found to be more in comparison to that in the methanolic suspension. The polymer is reported to work as a binder, but not as a capping agent.
Journal
Ionics – Springer Journals
Published: May 20, 2011