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Keywords = Galinobisuitite (Bi2S3)(PbS) thin film

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10 pages, 1016 KiB  
Article
Structural and Optical Properties of Nanoscale Galinobisuitite Thin Films
by Omar H. Abd-Elkader and N. M. Deraz
Int. J. Mol. Sci. 2014, 15(2), 1842-1851; https://doi.org/10.3390/ijms15021842 - 27 Jan 2014
Cited by 5 | Viewed by 5991
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 [...] Read more.
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. Full article
(This article belongs to the Section Materials Science)
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