72 research outputs found
Independent Control of Metal Cluster and Ceramic Particle Characteristics During One-step Synthesis of Pt/TiO2
Get PDFRapid quenching during flame spray synthesis of Pt/TiO2 (0-10 wt% Pt) is demonstrated as a versatile method for independent control of support (TiO2) and noble metal (Pt) cluster characteristics. Titania grain size, morphology, crystal phase structure, and crystal size were analyzed by nitrogen adsorption, electron microscopy and x-ray diffraction, respectively, while Pt-dispersion and size were determined by CO-pulse chemisorption. The influence of quench cooling on the flame temperature was analyzed by Fourier transform infrared spectroscopy. Increasing the quench flow rate reduced the Pt diameter asymptotically. Optimal quenching with respect to maximum Pt-dispersion (âź60%) resulted in average Pt diameters of 1.7 to 2.3 nm for Pt-contents of 1-10 wt%, respectivel
Flame synthesis of nanoparticles - applications in catalysis and product/process engineering
No full textFlame aerosol synthesis of ceramic nanoparticles:applications in heterogeneous catalysis
No full textOne-step flame synthesis of an active Pt/TiO2 catalyst for SO2 oxidation:A possible alternative to traditional methods for parallel screening
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Electrochemical Impedance Spectroscopy Study of Methanol Oxidation on Nanoparticulate PtRu direct methanol fuel cell anodes: Kinetics and performance evaluation
No full textMetamorphosis of the Mixed phase PtRu Anode Catalyst for Direct methanol Fuel Cellls After Exposures of methanol: In-situ and Ex-situ Characterization
No full textOne-step synthesis of supported gold-nanoparticles by Flame Spray Pyrolysis - catalyst manufacture by solvent combustion
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