Structural, compositional, optical, and electrical properties of solution-grown Zn{sub x}Cd{sub 1{minus}x}S films

Journal Article · Sat Jan 01 04:00:00 EST 2000 · Journal of the Electrochemical Society

DOI:https://doi.org/10.1149/1.1393177· OSTI ID:20014496

Al Kuhaimi, S A; Tulbah, Z

Thin films of zinc cadmium sulfide (Zn{sub x}Cd{sub 1{minus}x}S) have been prepared in the entire range from ZnS to CdS by using a chemical solution growth technique. Structural, compositional, optical, and electrical properties of thin films of Zn{sub x}Cd{sub 1{minus}x}S have been studied as a function of x. X-ray studies show that as-grown films are composed of a hexagonal phase in the range 0 {le} x < 0.5 and a cubic sphalerite phase for x {ge} 0.5. Film optical parameters (n,k,{alpha},E{sub g}) were evaluated and correlated with the composition ratio, x. These studies show that Zn{sub x}Cd{sub 1{minus}x}S films of different compositions have two direct transitions with corresponding energy gaps E{sub g} and E{sub g} + {Delta}S{sub 0}. The variations in E{sub g} and E{sub g}+ {Delta}S{sub 0} with x indicate that Zn{sub x}Cd{sub 1{minus}x}S is an amalgamation type following quadratic equations with bowing parameters 0.3 and 0.5, respectively. The resistivity of solution-grown Zn{sub x}Cd{sub 1{minus}x}S films was found to increase with increasing x. The effect of boron doping on electrical properties was also investigated.

• Research Organization: Girl's Coll. of Education, Riyadh (SA)
• OSTI ID: 20014496
• Journal Information: Journal of the Electrochemical Society, Journal Name: Journal of the Electrochemical Society Journal Issue: 1 Vol. 147; ISSN JESOAN; ISSN 0013-4651
• Country of Publication: United States
• Language: English

Related Subjects

14 SOLAR ENERGY
36 MATERIALS SCIENCE
CADMIUM SULFIDE SOLAR CELLS
CADMIUM SULFIDES
CRYSTAL STRUCTURE
ELECTRIC CONDUCTIVITY
ENERGY GAP
OPTICAL PROPERTIES
SEMICONDUCTOR MATERIALS
ZINC SULFIDE SOLAR CELLS
ZINC SULFIDES