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Wyszukujesz frazę "CdS" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Correlation between Optical and Structural Properties of Chemically deposited CdS Thin Films
Autorzy:
Mohammed, R. Y.
Abduol, S.
Mousa, A. M.
Powiązania:
https://bibliotekanauki.pl/articles/411521.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
cadmium sulfide
chemical bath deposition
CdS films
XRD
Opis:
Polycrystalline Cadmium sulfide (CdS) films were deposited onto Corning glass substrates from alkaline solutions containing CdCl2, KOH, Na3C6H5O7 and CS(NH2)2 at different deposition times (10, 20, 30, 40 and 50 min), different bath temperatures and different concentration of the reactants. A comparative study was performed out on thin film via optical transmission and X-ray diffraction (XRD) measurements which reveal that the deposition time has a profound influence on the growth rate and band gap of the deposited layers. Diffraction data are used to evaluate the lattice parameter, grain size, average strain, number of crystallites per unit area and dislocation density in the film are calculated.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 11, 2; 146-158
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of deposition temperature on nanocrystalline CdS thin films: Application in Solar Cells as Antireflection Coatings
Autorzy:
Patil, S. M.
Pawar, P. H.
Powiązania:
https://bibliotekanauki.pl/articles/412049.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
CdS thin films
XRD
SEM
TEP and electrical conductivity
Opis:
Nanocrystalline CdS thin films were successfully prepared using simple chemical bath deposition technique. Cadmium sulphate, thiourea and deionised water were used as starting precursor solution. The prepared thin films were characterized using X-ray diffractogram (XRD), Scanning electron microscope (SEM), elemental composition using energy dispersive spectrophotometer (EDAX) and optical band gap (UV-Spectroscopy).X-ray diffractogram reveals that present of cubic and hexagonal phase. The thickness, crystallite size and grain size were observed to be increase with increase operating temperature of bath while optical band gap energy slightly decreases. Effect of deposition temperature on physical, structural, microstructural, electrical and optical properties of these films was studied and presented in the present investigation. Prepared thin films shows good response towards photoconducting in presence and absent of light.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 17, 1; 21-36
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Nanocrystalline hexagonal shaped CdS thin films for photoconducting application
Autorzy:
Patil, S. M.
Pawar, P.H.
Powiązania:
https://bibliotekanauki.pl/articles/412642.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
nanocrystalline CdS
thin films
chemical bath deposition
analytical technique
photoconductivity
Opis:
Nanocrystalline thin films of cadmium sulphide were prepared by chemical bath deposition technique onto glass substrate at 60 °C. The deposition parameters were optimized to obtain good quality of nanocrystalline thin films such as, time, precursor concentration, temperature of deposition and pH of the solution. The studies on crystal structure, composition, surface morphology, electrical conductivity and photoconductivity of the films were carried out by using different analytical technique. Characterization includes X-ray diffraction (XRD), Field emission scanning electron microscopy (FE-SEM), Energy dispersive X-ray analysis (EDAX), Electrical and photoconductivity. The response and recovery time of the thin film were measured and presented.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 17, 2; 153-167
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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