Chemical spray pyrolysis deposition of zinc sulphide thin films using ethylenediaminetetraacetic acid disodium salt complexant

Chemical spray pyrolysis deposition of zinc sulphide thin films using ethylenediaminetetraacetic... Zinc sulphide thin films were deposited by chemical spray pyrolysis technique. The films were deposited at substrate temperatures of 300, 350 and 400 °C using 0.1 M zinc chloride, 0.1 M thiourea and 0.01 M ethylenediaminetetraacetic acid disodium salt (EDTA). The films have moderate transmittance between 56.00 and 77.73% over visible range, and the band gap energy varies between 3.87 and 4.12 eV. The films have high values of refractive index in the range 1.67 to 2.71 at 550 nm. The X-ray diffraction analysis of the films shows the presence of hexagonal and cubic structures. The crystallite size ranges between 6.122 and 43.023 nm. The surface morphology is flower-like, sheet-like and island-shaped nanoclusters. Raman spectroscopy reveals the presence of first-order, second-order and third-order Raman phonons. The Fourier transform infrared spectra show the presence of chemical bonds in the thin films while photoluminescence shows near band edge emission. The contact angle indicated hydrophilic nature of the deposited ZnS thin films. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Solid State Electrochemistry Springer Journals

Chemical spray pyrolysis deposition of zinc sulphide thin films using ethylenediaminetetraacetic acid disodium salt complexant

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by Springer-Verlag GmbH Germany
Subject
Chemistry; Physical Chemistry; Electrochemistry; Energy Storage; Characterization and Evaluation of Materials; Analytical Chemistry; Condensed Matter Physics
ISSN
1432-8488
eISSN
1433-0768
D.O.I.
10.1007/s10008-017-3668-2
Publisher site
See Article on Publisher Site

Abstract

Zinc sulphide thin films were deposited by chemical spray pyrolysis technique. The films were deposited at substrate temperatures of 300, 350 and 400 °C using 0.1 M zinc chloride, 0.1 M thiourea and 0.01 M ethylenediaminetetraacetic acid disodium salt (EDTA). The films have moderate transmittance between 56.00 and 77.73% over visible range, and the band gap energy varies between 3.87 and 4.12 eV. The films have high values of refractive index in the range 1.67 to 2.71 at 550 nm. The X-ray diffraction analysis of the films shows the presence of hexagonal and cubic structures. The crystallite size ranges between 6.122 and 43.023 nm. The surface morphology is flower-like, sheet-like and island-shaped nanoclusters. Raman spectroscopy reveals the presence of first-order, second-order and third-order Raman phonons. The Fourier transform infrared spectra show the presence of chemical bonds in the thin films while photoluminescence shows near band edge emission. The contact angle indicated hydrophilic nature of the deposited ZnS thin films.

Journal

Journal of Solid State ElectrochemistrySpringer Journals

Published: Jun 19, 2017

References

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