O impurity chemistry in CdS thin-films grown by chemical bath deposition: An investigation with x-ray photoelectron spectroscopy

1997 ◽  
Author(s):  
David W. Niles ◽  
Gregory Herdt ◽  
Mowafak Al-Jassim
Keyword(s):  
Thin Films ◽  
Chemical Bath Deposition ◽  
Photoelectron Spectroscopy ◽  
X Ray ◽  
Cds Thin Films

Preparation and Properties of CdS Thin Films Deposited by Chemical Bath Deposition

2011 ◽  
Vol 110-116 ◽  
pp. 1406-1410
Author(s):  
Hai Yi Li ◽  
Yan Lai Wang ◽  
Shi Liang Ban ◽  
Yi Min Wang
Keyword(s):  
Thin Films ◽  
Chemical Bath Deposition ◽  
Photoelectron Spectroscopy ◽  
Optical Band Gap ◽  
Band Gap Energy ◽  
Film Sample ◽  
X Ray ◽  
Gap Energy ◽  
Cds Thin Films ◽  
Cubic Structure

CdS thin films deposited on glass substrate are prepared by chemical bath deposition using the reaction between CdSO4 and CS (NH2)2. The composition, surface morphology and structural properties of as-deposited and annealed CdS thin films were studied using scanning electron microscopy (SEM), X-ray diffractometry (XRD), energy dispersive spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS) techniques. The results indicate that the dense, homogeneous polycrystalline CdS thin films with smooth surface can be obtained by chemical bath deposition. The CdS thin films have cubic structure and the ratio of S and Cd is 1:1 in CdS thin films. Optical properties of CdS films were measured with ultraviolet-visible spectrophotometer. The optical band gap energy (Eg) of film sample was found to be 2.31 eV.

In-situ X-ray photoelectron spectroscopy analysis of the initial growth of CdS thin films by chemical bath deposition

2019 ◽  
Vol 682 ◽  
pp. 142-146 ◽  
Author(s):  
R. Garza-Hernández ◽  
A. Carrillo-Castillo ◽  
V.H. Martínez-Landeros ◽  
M.A. Martínez-Puente ◽  
E. Martínez-Guerra ◽  
...  
Keyword(s):  
Thin Films ◽  
Chemical Bath Deposition ◽  
Photoelectron Spectroscopy ◽  
Initial Growth ◽  
Spectroscopy Analysis ◽  
X Ray ◽  
Cds Thin Films

scholarly journals Effect some Factors on the Structural Properties of the CdS Thin Films Prepared by Chemical Bath Deposition

2016 ◽  
Vol 64 ◽  
pp. 1-10
Author(s):  
Fatma Salamon
Keyword(s):  
Thin Films ◽  
Chemical Bath Deposition ◽  
Deposition Time ◽  
X Ray Diffraction ◽  
Hexagonal Crystal ◽  
X Ray ◽  
Glass Substrates ◽  
Cds Thin Films ◽  
Temperature Deposition ◽  
Xrd Patterns

CdS thin films were prepared by chemical bath deposition technique (CBD) onto the glass substrates at different conditions of preparation. The obtained samples are studied by X-Ray diffraction (XRD). The XRD patterns of CdS samples revealed the formation with a hexagonal crystal structure P36mc, and the clear effect of the concentration of thiourea, cadmium sulfide, NaOH, time and temperature deposition, and annealing temperature, on the structure of the prepared thin films. through the study, we found that the samples have preferred orientation along [002], also the thickness of thin films decrease with deposition time after certain value, with the appearance of free cadmium. It has been found that the 200°C is the best temperature for annealing to improve the other structural and physical properties of films.

scholarly journals Effects of Deposition Time on the Morphology, Structure, and Optical Properties of PbS Thin Films Prepared by Chemical Bath Deposition

2018 ◽  
Vol 2018 ◽  
pp. 1-8 ◽  
Author(s):  
B. Abdallah ◽  
A. Ismail ◽  
H. Kashoua ◽  
W. Zetoun
Keyword(s):  
Thin Films ◽  
Chemical Bath Deposition ◽  
Photoelectron Spectroscopy ◽  
Deposition Time ◽  
Optical Band Gap ◽  
Optical Transmittance ◽  
Xrd Analysis ◽  
X Ray ◽  
Force Microscopy ◽  
Atomic Force

Lead sulfide thin films were prepared by chemical bath deposition (CBD) on both glass and Si (100) substrates. XRD analysis of the PbS film deposited at 25°C showed that the prepared films have a polycrystalline structure with (200) preferential orientation. Larger grains could be obtained by increasing the deposition time. The prepared films were also chemically characterized using X-ray photoelectron spectroscopy (XPS), which confirmed the presence of lead and sulfur as PbS. While energy dispersive X-ray spectroscopy (EDX) technique was used to verify the stoichiometry of the prepared films. Atomic force microscopy (AFM) was used to study the change in the films’ morphology with the deposition time. The effect of the deposition time, on both optical transmittance in the UV-Vis-NIR region and the structure of the film, was studied. The obtained results demonstrated that the optical band gap decreased when the thickness increased.

Synthesis and Characterization of Cadmium Sulfide Thin Film Grown by Chemical Bath Deposition Method

2015 ◽  
Vol 2 (2) ◽  
pp. 79-81
Author(s):  
Thambidurai.S ◽  
Kannan.P
Keyword(s):  
Thin Films ◽  
Chemical Bath Deposition ◽  
Bath Temperature ◽  
Chemical Bath Deposition Method ◽  
Deposition Method ◽  
X Ray Diffraction ◽  
X Ray ◽  
Temperature Range ◽  
Cds Thin Films

CdS thin films were prepared by chemical bath deposition method on glass substrate, Bath temperature range of 800C. Steps using aqueous solution of cadmium sulphate and thiourea salts were used as cadmium Cd+2 and sulfur S-2 ions sources to prepare CdS thin films. Structural characterization was carried out by X-ray diffraction and optical transmission was carried out by UV-Vis spectrometer. Photoluminescence spectra were recorded in the in the range of 300 – 900 nm at the temperature range of 10 K

Preparation and Characterization of Cd1-xZnxS Thin Films with Chemical Bath Deposition

2015 ◽  
Vol 1088 ◽  
pp. 86-90
Author(s):  
Li Mei Zhou ◽  
Yun Long Li ◽  
Yue Jie Dong
Keyword(s):  
Thin Films ◽  
Chemical Bath Deposition ◽  
Photoelectron Spectroscopy ◽  
Measurement Instrument ◽  
Soda Lime ◽  
Atomic Ratio ◽  
Visible Range ◽  
Soda Lime Glass ◽  
Height Measurement ◽  
X Ray

Cd1-xZnxS thin films were grown on soda-lime glass substrates by chemical-bath deposition (CBD). The surface morphology, thickness, composition, state of the constituent elements and optical properties of the films were studied with X-ray diffraction (XRD), scanning electron microscopy (SEM), step height measurement instrument, X-ray photoelectron spectroscopy (XPS) and spectrophotometer, respectively. The affect of annealing for the Cd1-xZnxS thin films was studied. The Cd1-xZnxS thin films had cubic crystal structure and the average transmittance was 86.8% in the visible range with the optical band gap of 2.61eV and the films thickness was about 50nm. The atomic ratio of (Cd + Zn): S increased after annealing.

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