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Wyszukujesz frazę "chemical bath deposition" wg kryterium: Temat

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    Tytuł:
    Effect of deposition parameters on kinematics growth and optical properties of PbS nano films deposited by chemical bath deposition
    Autorzy:
    Mousa, A. M.
    Hassen, S. M.
    Mohmoed, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/412201.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    nanofilm
    chemical bath deposition
    PbS films
    Opis:
    The paper presents a study regarding the kinetic of chemical bath deposition (CBD) PbS nano films. Nano films were deposited from chemical bath containing thiourea, lead nitrite, and ammonia. The deposition kinematics and optical investigations have been performed to compare the properties of the films grown with different precursor solutions. We are able to determine the growth rate as a function of the synthesis conditions and it was found that the growth rate of deposited nano layer affected significantly by synthesis conditions. The main characteristic of nano films is the band gap. This parameter determined from spectroscopy Measurements of transmission, in the energy range of 240-840 nm is influenced by many factors such as deposition time, bath temperature, pH value of the path and molar concentration of the reactants.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2014, 15; 1-10
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Structural and Optical Properties of Chemically Deposited CdS Thin Films
    Autorzy:
    Mohammed, R. Y.
    Abduol, S.
    Mousa, A. M.
    Powiązania:
    https://bibliotekanauki.pl/articles/412111.pdf
    Data publikacji:
    2014
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    cadmium sulfide films
    chemical bath deposition
    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), bath temperatures (80 ±2 °C) and different concentration of the reactants. A comparative study was performed out on thin film via optical transmission and X-ray diffraction (XRD) measurements. The results which reveal that the deposition time has a profound influence on the growth rate and band gap of the deposited layers. Diffraction data was 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, 10; 91-104
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    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:
    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
    Tytuł:
    Preparation and Study of CdS thin films at different concentration thiorea by chemical bath deposition (CBD) method
    Autorzy:
    Anwar, H. Ali
    Jassem, Sarah A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1193882.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Atomic Force Microscopy
    CdS nanostructure
    CdS thin films
    UV-Vis
    X-Ray Diffraction
    XRD
    chemical bath deposition
    nanostructure
    Opis:
    CdS nanostructure are prepared by chemical bath deposition CBD method using different thiourea concentrations. The thiourea concentration effect for CdS nanostructure deposited on glasses substrate have been studied. CdS nanostructure give important analysis of X-ray diffraction (XRD), optical transmittance using (UV-Vis) spectroscopy, in addition to characterization of Atomic force microscopy (AFM) to analyze surface morphology of a film and to determine the grain size have proved a good agreement with experimental and theoretical results.
    Źródło:
    World Scientific News; 2015, 23; 73-89
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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