Synthesis, characterization and evaluation of green catalytic activity of nano Ag-Pt doped silicate

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[1] Murugavelu, M.
[2] Karthikeyan, B.
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Karthikeyan, B. (bkarthi_au@yahoo.com) | 1600年 / Elsevier Ltd卷 / 547期
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In order to get materials with enhanced adsorption and organic transformation performance; nanosized Ag-Pt nanoparticles loaded SiO2 was prepared by sol-gel method. This catalyst has been characterized by Fourier transform infrared (FT-IR) spectra; diffuse reflectance spectra (DRS); fluorescence; high-resolution scanning electron microscopy (HR-SEM); X-ray diffraction (XRD); transmission electron microscopy (TEM) and atomic force microscopy (AFM). Ag-Pt/SiO2 catalyst induces the reaction of condensation of indole and aldehyde to give bis(indolyl)methanes in striking lesser time under microwave (MW) irradiation and it has been examined with different substituted benzaldehydes. The coupled product is confirmed by FT-IR; 1H; 13C NMR and DFT theoretical methods. © 2012 Elsevier B.V. All rights reserved;
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