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Int. J. Mol. Sci. 2014, 15(2), 1842-1851; doi:10.3390/ijms15021842

Structural and Optical Properties of Nanoscale Galinobisuitite Thin Films

1
Department of Zoology, Science College, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
2
Electron Microscope and Thin Films Department, National Research Center (NRC), El-Behooth Street, Dokki, Cairo 12622, Egypt
3
Laboratory of Surface Chemistry and Catalysis, Physical Chemistry Department, National Research Center, Dokki, Cairo 12622, Egypt
*
Author to whom correspondence should be addressed.
Received: 26 October 2013 / Revised: 9 January 2014 / Accepted: 13 January 2014 / Published: 27 January 2014
(This article belongs to the Section Material Sciences and Nanotechnology)
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Abstract

Galinobisuitite thin films of (Bi2S3)(PbS) were prepared using the chemical bath deposition technique (CBD). Thin films were prepared by a modified chemical deposition process by allowing the triethanolamine (TEA) complex of Bi3+ and Pb2+ to react with S2− ions, which are released slowly by the dissociation of the thiourea (TU) solution. The films are polycrystalline and the average crystallite size is 35 nm. The composition of the films was measured using the atomic absorption spectroscopy (AAS) technique. The films are very adherent to the substrates. The crystal structure of Galinobisuitite thin films was calculated by using the X-ray diffraction (XRD) technique. The surface morphology and roughness of the films were studied using scanning electron microscopes (SEM), transmission electron microscopes (TEM) and stylus profilers respectively. The optical band gaps of the films were estimated from optical measurements.
Keywords: Galinobisuitite (Bi2S3)(PbS) thin film; CBD; nanoscale structural; XRD; AAS; optical band gap Galinobisuitite (Bi2S3)(PbS) thin film; CBD; nanoscale structural; XRD; AAS; optical band gap
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Abd-Elkader, O.H.; Deraz, N.M. Structural and Optical Properties of Nanoscale Galinobisuitite Thin Films. Int. J. Mol. Sci. 2014, 15, 1842-1851.

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