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31 Dec 2012 . Therefore, we synthesized the N-doped ZnO/ZnS photocatalysts via a simple . UV-visible diffuse reflectance spectra were recorded with a Varian ... Wang, F. Saito, and M. Uchida, “Synthesis of N-Doped ZnO by grinding and.

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1 Sep 2012 . A series of Mo-doped ZnO photocatalysts with different Mo-dopant concentrations have been prepared by a grinding-calcination method. . (PL) emission spectroscopy, and UV-vis diffuse reflectance spectroscopy (DRS).

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(SEM), X-ray diffraction (XRD) and Ultraviolet-visible diffusion reflectance . Preparation of precursor started by grinding of 8.8g Zn(CH3COO)2·2H2O for 5 min.

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ZnO [5] systems resulted in the discovery of new TCO com- pounds and solid .. Diffuse reflectance measurements on powders are roughly analogous to.

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ZnS, Zinc Sulfide, 17000, 690, 2.2, 0, 240, 1830, 5-9. ZnSe, Zinc Selenide, 15000, 461, 2.4, 0 . Diffuse Reflectance · EasiDiff · DiffusIR · UpIR · AutoDiff · X,Y.

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was mixed with pristine mesoporous silica by grinding it in the mortar. . Diffuse reflectance UV–Vis spectra of calcined MS and ZnO–MS samples for different.

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study the diffuse reflectance properties, calculation of optical bandgap and photoluminescence . were formed on grinding ZnO and anatase TiO2 for 20 h.

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17 May 2013 . Abstract: Fe2O3-ZnO nanosized mixed oxides samples were . transform infrared, and UV-visible diffuse reflectance spectroscopies The pattern of XRD shows broadening .. two grinding balls during a collision event, a highly.

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10 Jan 2007 . The results show that the grinding-derived Cu/ZnO catalysts exhibit ... Diffuse reflectance infrared Fourier transform spectroscopy. (DRIFTS).

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The diffuse reflectance UV-vis spectroscopy. . Zinc oxide (ZnO), nickel acetate tetrahydrate (Ni(OAc)2•4H2O), ethanol. (EtOH), methanol (MeOH), isopropanol.

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. X-ray diffraction, diffuse reflectance ultraviolet-visible spectroscopy, scanning . The composites of CuCrO2-WO3 and CuCrO2-ZnO prepared by the grinding.

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12 Jan 2008 . Undoped and Cr-doped ZnO polycrystalline samples were synthesized chemically. Optical measurements . The diffuse reflectance spectra (DRS) at normal incidence of . to reduce on grinding the network-like structure and.

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Abstract: A mesoporous silica-supported zinc oxide catalyst was successfully synthesized by directly grinding zinc nitrate into the as-prepared Al-Containing ... factors can be taken. Fig. (6). UV-vis diffuse-reflectance spectrum of ZnO/Al-SBA-.

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6 Nov 2010 . Front cover: SEM image of ZnO nanorods grown by hydrothermal method. Back cover: Schematic of ... 5.7 Diffuse reflectance spectra of (a) undoped ZnO and cobalt doped ZnO .. subsequent grinding. This may damage the.

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. by powder X-ray diffraction and UV-Vis diffuse reflectance spectroscopy .. of a spinel from the corresponding oxide reagents; ZnO, CoO, Al2O3 and Cr2O3. . Weigh out the appropriate amounts and grind the reagents together in an agate.

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X-ray diffraction, diffuse reflectance and scanning-transition electron microscopy was used to .. dioxide grinding bowls (volume of 500 ml) and grinding balls (20.

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wurtzite semiconductors GaN and ZnO, with magnetic transition metal tM substituents . Diffuse reflectance UV/Vis spectroscopy reveals that the direct . compositions [ZnGa2O4]1−x[Fe3O4]x (0 ≤ x ≤ 0.15) were made by grinding together.

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agent for the CO2 hydrogenation over the Cu/ZnO catalyst. The reaction temperature in .. Diffuse reflectance spectra were recorded with a UV-Vis spectrometer.

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22 Oct 2013 . We synthesized a novel type of anatase-type TiO2-C hybrid aerogel by a . by the grinding used to prepare a dispersion for TEM examination, .. 4c shows the UV-vis diffuse reflectance spectra of the TiO2-C hybrid aerogels.

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Photo Caption: Dr. Pat Nandakumar (left) and Jasmine Flores (right) grind a metal oxide powder they . Nitrogen doped Zinc oxide materials for solar cell application . through XRD, FTIR, UV-Vis Diffuse reflectance, and SEM-EDX techniques.

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In this paprer, ZnO was loaded on SiO2 by sol-gel method. The prepared photocatalysts were characterized by BET, XRD, UV-Vis diffuse reflectance.

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analyzer, diffuse reflectance UV-Visible, scanning electron microscope (SEM) and energy . grinding was conducted before its used in composite formation.

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Diffuse Reflectance Sampling Methods . A FastIR Way Of Grinding Out Spectra . Fiber Optic Probes for Vis-NIR-MIR Diffuse and Specular Reflectance . in Zinc Oxide by UV-Visible Diffuse Reflectance Spectroscopy · UV-VIS Diffuse.

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4 Jan 2009 . diffraction, diffuse reflectance and Scanning Electron Microscopy. The results showed . Bowls (volume of 500 ml) and grinding balls (20 balls,.

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UV–vis diffuse reflectance spectroscopy showed a gradual shift of optical absorption . Moreover, the photocatalysis of ZnO (F/O=1.7) powder with particle size . on nanocrystalline powder produced by mechanical grinding", US Patent: US6,.

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