Effect of annealing temperature on structural and optical properties of CdS thin films prepared by CBD and thermal evaporation techniques
Other Title(s)
تأثير درجة حرارة التلدين على الخواص التركيبية و الضوئية للأغشية الرقيقة الكادميوم CdS المحضرة بواسطة تقنيات ترسيب الحمام الكيميائي CBD و التبخر الحراري T.E.
Joint Authors
al-Kabi, Ala Shawi
Abbas, Said J.
Ali, Muhammad Muhsin
Source
Journal of Basrah Researches : Sciences
Issue
Vol. 45, Issue 1A (31 Mar. 2019), pp.1-13, 13 p.
Publisher
University of Basrah College of Education for Pure Sciences
Publication Date
2019-03-31
Country of Publication
Iraq
No. of Pages
13
Main Subjects
Topics
Abstract EN
The CdS thin films were deposited on glass substrates by two different methods, chemical bath deposition (CBD) and thermal evaporation (T.E.).
The effect of annealing temperature on the structural and optical properties of the CdS thin films were investigated.
The structural properties of CdS thin film was studied by X-ray diffraction.
It was observed that the films have a polycrystalline hexagonal (wurtzite) structure with preferred orientation along (002) plane.
The crystallite size calculated from XRD increases as the annealing temperature is increased.
We observed that the lattice constant, micro strain, dislocation densities and number of crystallites per unit area of the films are quite different in these processes from XRD analysis by considering high intense diffraction peaks of the as-deposited and annealed films.
The energy band gap in nanocrystalline CdS thin films has been estimated from absorption measurements.
The band gap values for CBD-CdS thin films decreased from 2.75 to 2.45 eV and for T.E.-CdS thin films decreased from 2.60 to 2.43 eV with increasing annealing temperature.
Small nanocrystals display wide band gaps as a result of the quantum confinement experienced by nanocrystals of a certain size.
American Psychological Association (APA)
Ali, Muhammad Muhsin& Abbas, Said J.& al-Kabi, Ala Shawi. 2019. Effect of annealing temperature on structural and optical properties of CdS thin films prepared by CBD and thermal evaporation techniques. Journal of Basrah Researches : Sciences،Vol. 45, no. 1A, pp.1-13.
https://search.emarefa.net/detail/BIM-891864
Modern Language Association (MLA)
Ali, Muhammad Muhsin…[et al.]. Effect of annealing temperature on structural and optical properties of CdS thin films prepared by CBD and thermal evaporation techniques. Journal of Basrah Researches : Sciences Vol. 45, no. 1A (2019), pp.1-13.
https://search.emarefa.net/detail/BIM-891864
American Medical Association (AMA)
Ali, Muhammad Muhsin& Abbas, Said J.& al-Kabi, Ala Shawi. Effect of annealing temperature on structural and optical properties of CdS thin films prepared by CBD and thermal evaporation techniques. Journal of Basrah Researches : Sciences. 2019. Vol. 45, no. 1A, pp.1-13.
https://search.emarefa.net/detail/BIM-891864
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 11-12
Record ID
BIM-891864