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International Letters of Chemistry, Physics and Astronomy
Volume 57
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Effect of Aqueous Solution Molarity on the Structural and Electrical Properties of Spray Pyrolysed Lead Sulfide (PbS) Thin Films

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Abstract:

Lead sulfide (PbS) thin films of different molarities (0.05 M, 0.075 M and 0.1 M) were prepared on glass substrates at 325 °C by chemical spray pyrolysis (CSP) technique. X-ray diffraction patterns confirm the proper phase formation of the PbS. The X-ray diffraction patterns’ results reveal that the all of PbS films have a face centered cubic structure with preferential reflection of (200) plane. The crystallite grain size was calculated using Scherrer formula and it is found that the 0.1M has maximum crystallite grain size (37.4 nm). Depending on the molarity, Hall measurement showed that the electrical resistivity and mobility at room temperature varied in the range 6.3x103Ω.cm to 2.1x103Ω.cm and 4.79cm2/V.S to 24.3 cm2/V.S.

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Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 57)
Pages:
122-125
Citation:
M. G. Faraj, "Effect of Aqueous Solution Molarity on the Structural and Electrical Properties of Spray Pyrolysed Lead Sulfide (PbS) Thin Films", International Letters of Chemistry, Physics and Astronomy, Vol. 57, pp. 122-125, 2015
Online since:
August 2015
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DOI: https://doi.org/10.1155/2018/6062390