Structural changes in chemically deposited CdS: effect of thermal annealing
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MATICIUC, Natalia; POTLOG, Tamara; HIIE, J.; MIKLI, V.; POLDME, Nils; RAADIK, T.; VALDNA, V.; MERE, Arvo; QUINCI, F.. Structural changes in chemically deposited CdS: effect of thermal annealing. In: Moldavian Journal of the Physical Sciences. 2010, nr. 3-4(9), pp. 275-279. ISSN 1810-648X.
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Moldavian Journal of the Physical Sciences
Numărul 3-4(9) / 2010 / ISSN 1810-648X /ISSNe 2537-6365

Structural changes in chemically deposited CdS: effect of thermal annealing

Pag. 275-279

Maticiuc Natalia1, Potlog Tamara1, Hiie J.2, Mikli V.2, Poldme Nils2, Raadik T.2, Valdna V.2, Mere Arvo2, Quinci F.
 
1 State University of Moldova,
2 Tallinn University of Technology
 
Disponibil în IBN: 19 noiembrie 2013


Rezumat

The dynamics of changes in the structural and optical properties of chemical bath- deposited (CBD) CdS/glass thin films in H2 annealing process in a pre-heated furnace between 200–450°C was studied systematically. Annealing imparts structural stability to the layers, but reduces band gap (Eg). Results of X-ray diffraction (XRD) and visible optical spectroscopy characterization of annealed CBD CdS/glass thin films are presented. We propose a hypothesis about substitutional incorporation of OH group on S site in CdS lattice in the deposition process and its responsibility for changes in the optical and structural properties of CdS in the annealing process. Cubic CdS is a stable and prevalent phase in CBD CdS at 450°C.