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- W2347825235 abstract "The paper indicates that ZnS1-xTex alloy thin films have highly efficient light emission. Very strong photoluminescence was observes in samples. The color of the emitted light can be tuned from deep blue to yellow by adjusting Te composition. ZnS1-xTex is a promising material for short wavelength optoelectronic applications and ultraviolet detectors. It's important that studying the preparation and properties of ZnS1-xTex alloys especially their thin films. And it's an indispensable work to exploit and apply the alloys. In this paper the ZnS1-xTex polycrystalline thin film preparation by vacuum evaporation and their property studies by AFM(atomic force microscope), XRD(Xray diffraction), EDS(Xray energy decompose), UVvisible absorption spectrum and PL(photoluminescence) spectrum were presented. The properties include the morphology, structure, composition, ultraviolet absorption spectra and photoluminescence spectra. The films deposited on glass, quartz glass and silicon substrates. The study of morphology indicates that the ZnS1-xTex thin films are uniformly and polycrystalline in nature. The crystallization of films is good. The average diameter of grain is about 20nm, and the figure is ellipse. The method of vacuum evaporation leads to an inhomogeneity in the difference growth directions. The films belong to zinc blende structure. The comparison between the compositions of Te and S is showed by component studies. The UVvisible absorption spectrum shows a very strong absorptive peak in ultraviolet extent and the absorption in visible light extent is low. Photoluminescence spectrum of these films shows an emission centered at 470nm that is in visible light extent. And the spectrum has fine details. The emission can be observed by naked eyes. The results indicated that these films possess some good properties of single crystal films, for example, ultraviolet absorption and photoluminescence." @default.
- W2347825235 created "2016-06-24" @default.
- W2347825235 creator A5024676367 @default.
- W2347825235 date "2003-01-01" @default.
- W2347825235 modified "2023-09-25" @default.
- W2347825235 title "New Functional Material ZnS_(1-x)Te_x Polycrystalline Thin Film Preparation and Its Property Studies" @default.
- W2347825235 hasPublicationYear "2003" @default.
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