Journal
OPTIK
Volume 126, Issue 24, Pages 5109-5114Publisher
ELSEVIER GMBH
DOI: 10.1016/j.ijleo.2015.09.233
Keywords
CdS nanostructure; Particle size; Optical properties
Categories
Funding
- University Malaysia Perlis [9007-00111, 9007-00185]
- TWAS-Italy
- CENTEM project [CZ.1.05/2.1.00/03.0088]
- ERDF as part of the Ministry of Education, Youth and Sports OP RDI Programme
- CENTEM PLUS from the Ministry of Education, Youth and Sports under the National Sustainability Programme I [LO1402]
- MetaCentrum [LM2010005]
- CERIT-SC infrastructures [CZ.1.05/3.2.00/08.0144]
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Cadmium sulfide (CdS) nanostructures were prepared and deposited on glass substrates of Cd:S (1.2-0.05 mol/L) annealed at 400 degrees C with different spin coating speed (1000, 3000 and 5000 rpm) using spin coating technique. Structural, morphological and analytical studies were investigated by X-ray diffraction (XRD), atomic force microscopy (AFM), Fourier transform infrared (FTIR) and UV-Vis Spectroscopy. It is found that the particle size of CdS nanostructures is 1.40, 1.78 and 2.31 nm prepared at 1000, 3000 and 5000 rpm, respectively. The band gap was measured with an indication of transmission within the visible range; it is changed due to particle size of CdS nanostructures. The calculated refractive index and optical dielectric constant results give agreement with experimental results. The obtained results are in accordance with experimental and theoretical data. (C) 2015 Elsevier GmbH. All rights reserved.
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