InOOH hollow spheres synthesized by a simple hydrothermal reaction

Article Abstract:

Novel micrometer-sized indium oxyhydroxide (InOOH) hollow spheres are synthesized using a citric acid (CA) assisted hydrothermal process and their morphology, crystal structure and optical properties are characterized by X-ray diffraction, transmission electron microscopy and scanning electron microscopy. The phenomenological elucidation of a mechanism for the growth of the InOOH hollow spheres is presented and hydrothermal temperature, citric acid and pH are considered to be the three key factors for formation of the structures.

Taiwan, Indium, Properties

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Probing the formation mechanism and chemical states of carbon-supported Pt-Ru nanoparticles by in situ X-ray absorption spectroscopy

Article Abstract:

A simple X-ray absorption spectroscopy (XAS) is used to demonstrate the formation of Pt-Ru nanoparticles by analyzing the XAS spectra. THE XAS results demonstrate that the reduction of platinum hydroxide and ruthenium oxide species under flowing hydrogen resulted in metallic Pt-Ru nanoparticles and it is also seen that atomic scale distribution Ru is much better than that of Pt.

Ruthenium, Spectra, X-ray spectroscopy, Platinum compounds

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Hydrothermal synthesis of Zn(sub 2)SnO(sub 4) nanorods in the diameter regime of sub-5 nm and their properties

Article Abstract:

Single crystalline Zn(sub 2)SnO(sub 4) (ZTO) nanorods 2-4 nm in diameter and around 20 nm in length are successfully synthesized by a simple hydrothermal process with use of hydrazine hydrate as an alkaline mineralizer instead of NaOH or NH(sub 3).H(sub 2)O. The chemical mechanism and key factors to the hydrothermal formation of the sub-5 nm ZTO nanorods is discussed.

Science & research, Research, Alkalies, Hydrazine, Hydrazine (Compound), Nanorods

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