HRTEM, XPS and XRD characterization of ZnS/PbS nanorods prepared by thermal evaporation technique
https://doi.org/10.17586/2220-8054-2020-11-5-537-545
Abstract
Zinc sulfide (ZnS) and zinc sulfide/lead sulfide (ZnS/PbS) nanorods were grown on glass substrates using a thermal evaporation method. The morphology of the prepared samples has been studied by transmission electron microscopy (TEM), field-emission scanning electron microscopy (FE-SEM) and Scanning Electron Microscopy (SEM). Both differences and similarities in morphology between the samples have been discovered. In the ZnS/PbS sample, ZnS nanorods were formed with diameter less than 50 nm and length between 2000 and 3000 nm. The pure ZnS sample has dense structure and its thickness was about 200 nm. Samples were studied in detail using energy-dispersive X-ray spectroscopy (EDX). The surface chemical compositions of the samples were confirmed by means of X-ray photoelectron spectroscopy (XPS). The determination of the crystal structure using the X-ray diffraction revealed that two phases of ZnS, blende and wurtzite, are present in the sample after adding Pb, while only blende is identified in the pure ZnS sample.
Supporting agencies: The authors greatly acknowledge support to this project by Professor I. Othman, the Director General of the Atomic Energy Commission of Syria. Prof. Dr. Toma Susi for HRTEM measurement. The Kuwait University Research Administration, under Grant Number’s GS 01/05 and GS 03/01 for XPS and XRD analysis. The Nanoscopy Science Center at Kuwait University for performing FESEM measurement.
About the Authors
B. AbadllahSyrian Arab Republic
P.O. Box 6091, Damascus
B. Assfour
Atomic Energy Commission, Department of chemistry
Syrian Arab Republic
Syrian Arab Republic
P.O. Box 6091, Damascus
M. Kakhia
Syrian Arab Republic
P.O. Box 6091, Damascus
Ali Bumajdad
Chemistry Department, Faculty of Science, Kuwait University
Kuwait
Kuwait
Safat 13060
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Review
For citations:
Abadllah B., Assfour B., Kakhia M., Bumajdad A. HRTEM, XPS and XRD characterization of ZnS/PbS nanorods prepared by thermal evaporation technique. Nanosystems: Physics, Chemistry, Mathematics. 2020;11(5):537–545. https://doi.org/10.17586/2220-8054-2020-11-5-537-545
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