2012
DOI: 10.1380/ejssnt.2012.542
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Structural Study of CdS Films Annealed in Oxidizing Atmosphere

Abstract: Cadmium sulphide thin films were deposited onto glass substrates by chemical bath deposition (CBD) from a bath containing cadmium acetate, ammonium acetate, thiourea and ammonium hydroxide. The CdS films were annealed in air at various temperatures and time in order to investigate the influence of post-deposition annealing and CdCl2 treatments on the structure. The various structural parameters such as grain size, lattice constant, dislocation density and strain, were investigated using XRD. The as-deposited f… Show more

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“…This result implies the possibility of formation of partially oxidized cadmium or cadmium sulfate, which are introduced as sulfur defects on the surface as well as potentially coexist as impurities in highly crystalline CdS acting as recombination centers. [ 42 ] In contrast, CdS‐473 K showed improved activity compared to flux10‐CdS; this is attributed to introducing a more suitable amount of a cocatalyst through the introduction of defects. The oxidation state of CdS‐473 K was weaker than that observed at 673 K. These results suggest that under mild processing conditions, it is possible to introduce defects into CdS without significantly altering its characteristics.…”
Section: Resultsmentioning
confidence: 99%
“…This result implies the possibility of formation of partially oxidized cadmium or cadmium sulfate, which are introduced as sulfur defects on the surface as well as potentially coexist as impurities in highly crystalline CdS acting as recombination centers. [ 42 ] In contrast, CdS‐473 K showed improved activity compared to flux10‐CdS; this is attributed to introducing a more suitable amount of a cocatalyst through the introduction of defects. The oxidation state of CdS‐473 K was weaker than that observed at 673 K. These results suggest that under mild processing conditions, it is possible to introduce defects into CdS without significantly altering its characteristics.…”
Section: Resultsmentioning
confidence: 99%