Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Growth and characterization of thin anodic oxide films on n-InSb(100) formed in aqueous solutions Santinacci, L.; Sproule, G. I.; Moisa, S.; Landheer, D.; Wu, X.; Banu, A.; Djenizian, T.; Schmuki, P.; Graham, M. J.http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=fr L'accès à ce site Web et l'utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D'UTILISER CE SITE WEB. NRC Publications Record / Notice d'Archives des publications de CNRC:http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?action=rtdoc&an=12743949&lang=en http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/ctrl?action=rtdoc&an=12743949&lang=fr READ THESE TERMS AND CONDITIONS CAREFULLY BEFORE USING THIS WEBSITE.http://nparc.cisti-icist.nrc-cnrc.gc.ca/npsi/jsp/nparc_cp.jsp?lang=en Vous avez des questions? Nous pouvons vous aider. Pour communiquer directement avec un auteur, consultez la première page de la revue dans laquelle son article a été publié afin de trouver ses coordonnées. Si vous n'arrivez pas à les repérer, communiquez avec nous à PublicationsArchive-ArchivesPublications@nrc-cnrc.gc.ca. Questions? Contact the NRC Publications Archive team atPublicationsArchive-ArchivesPublications@nrc-cnrc.gc.ca. If you wish to email the authors directly, please see the first page of the publication for their contact information. NRC Publications Archive Archives des publications du CNRCThis publication could be one of several versions: author's original, accepted manuscript or the publisher's version. / La version de cette publication peut être l'une des suivantes : la version prépublication de l'auteur, la version acceptée du manuscrit ou la version de l'éditeur. For the publisher's version, please access the DOI link below./ Pour consulter la version de l'éditeur, utilisez le lien DOI ci-dessous.http://doi.org/10.1016/j.corsci. 2003.11.003 Corrosion Science, 46, 8, pp. 2067Science, 46, 8, pp. -2079Science, 46, 8, pp. , 2004 Growth and characterization of thin anodic oxide films on n-InSb (1 0 0) AbstractAnodic oxide films were galvanostatically grown on n-InSb(1 0 0) surfaces at various pH in sodium hydroxide (0.1 M NaOH, pH ¼ 13), borate buffer (0.075 M Na 2 B 4 O 7 + 0.3 M H 3 BO 3 , pH ¼ 8.4) and phosphate buffer (0.3 M NH 4 H 2 PO 4 , pH ¼ 4.4). Thickness, composition and morphology of the oxide films were determined by various surface analytical techniques such as Auger electron spectroscopy, X-ray photoelectron spectroscopy, scanning and transmission electron microscopy and atomic force microscopy. The oxides comprise mainly In 2 O 3 and Sb 2 O 3 and the oxide thickness increases with pH. Electrical properties of oxides indicate that the films may be useful as insulators in some device applications.
Tetragonal zirconia (t‐ZrO2) nanoparticles (NPs) were successfully synthesized by a green method using β‐cyclodextrin as stabilizer. The structural characterization of the prepared nanoparticles was done by X‐ray diffraction (XRD).The tetragonal crystalline structure of ZrO2 NPs was confirmed by XRD analysis. We employed the Rietveld method to refine the XRD data and the refinement result leads to specify the tetragonal phase of ZrO2 NPs with space group P 42/n m c. The FTIR spectrum gives the information about the presence of Zr−O bonding at 501 cm−1. Particle size and morphological properties were demonstrated by Scanning Electron Microscope (SEM) and elemental compositions were analysed using EDAX spectrum. The band gap energy was estimated using optical absorption spectroscopy and the value was found to be 3.99 eV. The UV (310 nm) and visible (401, 420 and 560 nm) emissions were observed from PL spectrum. Brunauer‐Emmet‐Teller (BET) surface analysis was used for determining the surface area and average pore size of ZrO2 NPs.The photocatalytic degradation of the prepared ZrO2 NPs for organic dyes had been studied under visible light irradiation. Results showed that 68 % degradation was achieved within 135 min for Methylene Blue (MB) dye but other dyes almost remains unchanged during the same reaction times.
MgO nanoparticles were successfully synthesized by using Azadirachta Indica leaves extract and Magnesium sulphate dihydrate via green method followed by calcination of the resulting product of the precursor. Average crystallite...
The present study reports a simple co‐precipitation followed by solid state method for the synthesis of tetragonal SnO2 nanoparticles.The nanoparticles were characterized by XRD, FTIR, SEM, DLS, UV‐vis, and PL techniques to examine the structural properties, functional group, morphological and electronic properties. As prepared SnO2 NPs has been used for Fenton‐like degradation of Methylene blue(MB) in presence of solar light in aqueous solution.The structural analysis and Rietveld refinement revealed that the tetragonal SnO2 NPs have been well formed. The mean crystallite size of the synthesized nanoparticles was found to be 16.47 nm using the Scherrer formula.The Williamson‐Hall method determines strain throughout the crystal. The effect of various parameters such as catalyst dose, dye concentration, H2O2 concentration, pH and temperature was examined.The complete degradation of MB was obtained at pH=9. The results obtained from kinetics showed that degradation of MB dye follows pseudo‐first order rate with the rate constant k1 is 7.889×10−2 min−1. From Brunauer‐Emmet‐Teller (BET) surface analysis, we have determined the surface area and average pore size of SnO2 NPs. All parameters were measured by Brunauer‐Emmet‐Teller (BET) surface analysis with nitrogen adsorption‐desorption isotherm.The pore volume and pore diameter was calculated by BJH (Barrett‐Joyner‐Halenda) model.
In this study, green synthesis of silver nanoparticles (Ag NPs) has done using traditional herbal namely Cassia auriculata extract by the simple Green synthesis method. The synthesized Ag nanoparticles were studied by the characterization techniques includes X-ray diffraction (XRD) crystallography for nature of crystalline with relevant parameters, Transmission electron microscopy (TEM) for particle size as well as the SAED patterns for amorphous, crystalline or polynanocrystalline and Photoluminescence analysis were carried out for the prepared NPs. Ag NPs were fabricated utilizing Phyto-aquatic extract of Cassia auriculata which act as a reducing agent, and it was converted into a precursor solution to coat on cotton fabrics for antibacterial applications. To further, its performance on anticancer application was studied for Michigan Cancer Foundation-7 (MCF-7) line breast cancer.
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