[PDF] Top 20 Optical Properties of Polycrystalline Zinc Selenide Thin Films

... Thin films of ZnSe have been deposited onto glass substrates at 373 K by thermal evaporation ...of thin films are almost matching with the JCPDS 5 - 552 data for Zinc ...that ... See full document

... [11]. Zinc Oxide (ZnO) holds considerable interest as an optical transparent materials due to its wide band gap ...desirable properties such as low cost and non-toxicity [12]. While pure ZnO ... See full document

... The ZnTe thin films were prepared using a vacuum coating unit (Hind High Vacuum Company, Bangalore) Model 12A4D. Pure ZnTe (Sigma Aldrich, 99.99%) was used as a source material for the evaporation. The ... See full document

... copper selenide have been successfully deposited onto glass substrate by using chemical bath deposition method at room ...Copper selenide thin films are nanocrystalline in nature with ... See full document

... of α 2 vs. hν for different sulphur concentration is as shown below (Fig 3). The band gap energies of thin film have been determined by the extrapolation of the linear region on the energy axis. The band gap ... See full document

... ZnS films were prepared using dip coating method. The Zinc Sulphate solution was prepared by adding Zinc Sulphate (ZnSO4.7H2O) with the de-ionized water and this mixture was stirred with magnet for ... See full document

... Sn-doped zinc oxide (ZnO) have been prepared using chemical reactive liquid phase (spray) method on glass ...deposited films is independent of Sn content, ...the optical gap obtained using UV-visible ... See full document

... thin films. It can be concluded that indium acts as an effective donor in zinc oxide up to a certain concentration and supplies a single free electron resulting from In 3+ ion on a substitutional ... See full document

... the properties of ZnO films rather than the substrate ...of polycrystalline, epitaxial growth of ZnO relies more on substrate conditions such as the crystal orienta- tion, the morphology, as well as ... See full document

... taken within the wavelength range of 200 to 1100 nm at room temperature. From Figure 1, the samples exhibit a strong and broad absorption edge in the range of 450 to 700 nm. It can also be observed from the ... See full document

... Undoped zinc oxide thin films have certain limitations in their ...ZnO thin films can be applied, dopant ions have to be incorporated into them to obtain certain desired properties like lower or ... See full document

... as-deposited films have both (zinc blende) cubic and (wurtzite) hexagonal structure with the peak corre- sponding (111), (200), (220), there are only one sharp and three small peaks present and exhibit ... See full document

... extrapolating the linear portion of the curve to the photon energy axis, which is shown in Fig. 6. The optical band gap values are summarized in Table 1. The band gap of the 500- nm-thick film deposited on the ... See full document

... and optical properties of ZnO thin film deposited on glass substrate at a substrate temperature equal to 450 o C by spray pyrolysis technique have been ...the films have polycrystalline ... See full document

... The optical absorption and photoluminescence properties were studied by means of UV-Visible optical absorption and Photoluminescence (PL) ...% optical transmittance which indicated a higher ... See full document

... based thin films are better choice to ITO due to their excellent electrical and optical properties in the visible ...region. Zinc oxide is an extensively studied material, since it's ... See full document

... Polycrystalline Lead Selenide Sulphide thin films have been deposited on glass substrate at 300 K by thermal evaporation technique. The different sets of samples of varying composition ‘x’ ... See full document

... ZnO thin films as a function of substrate ...are polycrystalline in nature which shows hexagonal crystal structure (JCPDS card ...ZnO thin films is ... See full document

... technique that characterizes light reflection (or transmission) from samples [11]. The key feature of ellipsometry is that it measures the change in polarized light upon light reflection on a sample (or light ... See full document

... InSb thin films were prepared using a thermal evaporation ...that thin film as deposited was polycrystalline with cubic ...Indium Selenide films in the spectra wavelength from ... See full document