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Cu-Mn-O catalysts were prepared by co-precipitation and hydrothermal method at the different calcination temperature. These catalysts were characterized by BET, XRD, SEM and the catalytic activity for the reduction of NO by propane was evaluated. XRD results showed that Cu1.5Mn1.5O4 was the main phase in all these samples. The NO conversion over the catalysts prepared by hydrothermal method was markedly...
Summary form only given. Silica nanoparticles were prepared by thermal decomposition of rice hulls. The results from XRD showed that the sample was silica NPs. The morphology and grain size of the silica NPs was investigated by SEM. As part of our ongoing program to develop efficient and robust methods for the preparation of heterocyclic compounds, we report here a simple, one-pot, three-component...
The CIGS (Cu(InGa)Se2) thin films were successfully synthesized by using non-vacuum deposition methods. Those methods were nanoparticle-precursor deposition and non-vacuum spray deposition. The synthesized CIGS thin films had typical characteristics of CIGS for absorber layer. The structures of CIGS thin films were chalcopyrite and the properties of thin films were dense and smooth. The microstructure...
In this study, the effects of preparation process on the properties of lead magnesium niobate (PMN) based electrostictive materials, such as phase structure, microstructure and electrical property, are investigated and discussed. The results of experiment show the powder samples, fabricated by a modified two-step synthesis method with alkaline-earth metal dopants introduced in the preparation of common...
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