نتایج جستجو برای: xrd sem
تعداد نتایج: 77043 فیلتر نتایج به سال:
Submit Manuscript | http://medcraveonline.com Abbreviations: ILs: Ionic Liquids; CMNPs: Citrate-Coated Magnetite Nanoparticles; TEOS: Tetraethoxyorthosilicate; CPTMS: 3-Cloropropyltrimethoxysilane; IM: Imidazole; XRD: X-Ray Diffraction; FT-IR: Fourier-Transform Infrared Spectroscopy; TGA: Thermal Gravimetric Analysis; VSM: Vibrating-Sample Magnetometer; SEM: Scanning Electron Microscope; TLC: T...
In the present research program, cost effective and environment friendly gold nanoparticless were synthesized using the onion (Allium cepa) extract as the reducing agent. The nanoparticless were characterized using UV-visble, XRD, and SEM, TEM methods. The absorption peak at 540 nm was found to be broaden with increase in time indicating the polydispersity nature of the nanoparticles. The XRD r...
Cobalt Oxide Nanoparticles: Characterization and its Electrocatalytic Activity towards Nitrobenzene†
Cobalt oxide (Co3O4) nanoparticles were successfully prepared by thermal decomposition of cobalt hydroxide synthesized from cobalt acetate, ammonium hydroxide and 10% glycerol. The cobalt oxide nanoparticles calcined at 450 °C were characterized by using XRD. The XRD confirms the crystallinity and crystal structure of the sample. It also shows that the diffraction peak are broadened which revea...
In the present investigation, the oxidizing roasting process of chromite with sodium carbonate to prepare potassium dichromate crystals was studied in the microwave field with air, by heating the chromite and sodium carbonate. The chromite and sodium carbonate heated separately at 1000 ◦C in the microwave oven (frequency: 2.45 GHz; power 1.5 kW) in order to study the microwave absorption proper...
Submit Manuscript | http://medcraveonline.com Abbreviations: MB: Methylene Blue; PEC: Photo Electrochemical; Isc: Short Circuit Current; Voc: Open Circuit Voltage; XRD: X-Ray Diffraction; FE-SEM: Field Emission Scanning Electron Microscopy; AOP: Advanced Oxidation Process; CBD: Chemical Bath Deposition; EDS: Energy Dispersive X-Ray Spectroscopy; BET: Brunauer-Emmer-Teller; FWHM: Full Width At H...
Highly conductive free standing polypyrrole (PPy) films were prepared by a novel freezing interfacial polymerization method. The films exhibit metallic luster and electrical conductivity up to 2000 S cm(-1). By characterizing with SEM, FTIR, Raman and XRD, the high conductivity is attributed to the smooth surface, higher conjugation length and more ordered molecular structure of PPy.
.................................................................................................................................................................. 4 ZUSAMMENFASSUNG .............................................................................................................................................. 6 INTRODUCTION..............................................................
Hydrogen bonded rigid imine-based macrocycles and capsules have been reduced to cyclic triamines and two-layered hexaamines, the triammonium and hexaammonium derivatives of which are revealed to form reverse vesicles in organic liquids of low polarity, which are characterized by SEM, AFM, (HR)TEM, DLS and XRD.
PVP polymers containing Li or Ag Ions have been synthesized in good stability and transparency by using the solution casting method. Their structural, optical, thermal and electrical properties have been investigated from the measurement of XRD, FTIR, SEM, EDAX, optical absorption spectra, TG-DTA profiles and impedance spectral features in order to evaluate their potentialities for their use in...
Calcium phosphate (hydroxyapatite and tri-calcium phosphate) bioceramics closely resembling, in chemical composition, those found in vivo in human bones have been synthesized by using novel synthetic body ̄uid solutions via the self-propagating combustion synthesis (SPCS) method. Powder characterization was performed by XRD, ICP-AES, FTIR and SEM. # 2000 Elsevier Science Ltd. All rights reserved.
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