Photoelectrochemical Studies on Electrodeposited Cd–Fe–Se Thin Films

✍ Scribed by Rajpure, K. Y. ;Anarase, P. A. ;Lokhande, C. D. ;Bhosale, C. H.

• Publisher: John Wiley and Sons
• Year: 1999
• Tongue: English
• Weight: 195 KB
• Volume: 172
• Category: Article
• ISSN: 0031-8965
• DOI: 10.1002/(sici)1521-396x(199904)172:2<415::aid-pssa415>3.0.co;2-x

✦ Synopsis

Thin films of Cd±Fe±Se have been prepared onto stainless steel substrates, for various compositions of Cd and Fe and solution concentrations by an electrodeposition technique. Cd 0.9 Fe 0.1 Se films, electrodeposited with a solution concentration of 10 mM, forming a photoelectrochemical (PEC) cell using ferri-ferrocyanide electrolyte, show a better PEC performance. The films deposited using optimized composition (9 : 1 : 10), solution concentration (10 mM), deposition time (30 min) and current density (1 mA/cm 2 ) have been used for further characterization by X-ray diffraction (XRD) and PEC techniques. It has been found that the as-grown films are polycrystalline in nature with orientations along the peaks of hexagonal CdSe and FeSe. It has also been found from the current±voltage and power output characteristics that n-Cd±Fe±Se/ferri-ferrocyanide junctions show good rectifying nature and the efficiency of the n-Cd 0.9 Fe 0.1 Se/ferri-ferrocyanide/C PEC cell is 0.41% with FF % 50%.