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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 4, Iss. 1 — Jan. 1, 2014
  • pp: 129–141

Microstructural and optical characterizations of highly stable nanospheres of crystalline CdS via selective approach

A. L. Leal-Cruz, A. Vera-Marquina, D. Berman-Mendoza, C. VillaVelázquez-Mendoza, I. E. Zaldívar-Huerta, L. A. García-Delgado, A. García-Juárez, R. Gómez-Fuentes, and A. G. Rojas-Hernández  »View Author Affiliations

Optical Materials Express, Vol. 4, Issue 1, pp. 129-141 (2014)

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A novel and selective approach to obtain highly stable and capping nanospheres of crystalline cadmium sulfide (CdS) via solution growth in cadmium nitrate tetrahydrate-thiourea-ligand-pH buffer systems using a Taguchi experimental design is presented. CdS characterization is carried out by laser diffraction particle size analyzer, X-ray diffraction, scanning electron microscope/energy dispersive X-ray spectroscopy, and UV-Vis absorption spectroscopy. Synthesized nanospheres of crystalline CdS with an average crystal particle diameter of 37.5 nm and a capping layer thickness of 17.7–35.7 nm (73 to 115 nm as capped nanoparticles) keep size and form stable in aqueous solution. These crystalline CdS nanospheres exhibit a 2.46 eV band gap, as well as, an optical bandwidth comprises in the visible range with potential applications in solar cells.

© 2013 Optical Society of America

OCIS Codes
(160.4670) Materials : Optical materials
(160.4760) Materials : Optical properties
(220.4000) Optical design and fabrication : Microstructure fabrication
(300.6470) Spectroscopy : Spectroscopy, semiconductors
(160.4236) Materials : Nanomaterials
(310.5696) Thin films : Refinement and synthesis methods

ToC Category:

Original Manuscript: October 7, 2013
Revised Manuscript: November 28, 2013
Manuscript Accepted: December 3, 2013
Published: December 17, 2013

A. L. Leal-Cruz, A. Vera-Marquina, D. Berman-Mendoza, C. VillaVelázquez-Mendoza, I. E. Zaldívar-Huerta, L. A. García-Delgado, A. García-Juárez, R. Gómez-Fuentes, and A. G. Rojas-Hernández, "Microstructural and optical characterizations of highly stable nanospheres of crystalline CdS via selective approach," Opt. Mater. Express 4, 129-141 (2014)

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