نتایج جستجو برای: nio nanoparticles

تعداد نتایج: 110148  

Journal: :Journal of Rare Earths 2022

High surface area mixed oxide 8.7% NiO-CeO2 nanoparticles (122 m2/g; 6–7 nm) were prepared using a reversed microemulsion method, and tested for dry methane reforming (DRM). The catalytic activity of these remains stable under the severe conditions DRM (700 °C), they show better carbon resistance than conventional catalysts without control size. selectivity reference catalyst are similar, but r...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2013
Guoliang Liu Daniel J Eichelsdoerfer Boris Rasin Yu Zhou Keith A Brown Xing Liao Chad A Mirkin

Although nanoparticles with exquisite properties have been synthesized for a variety of applications, their incorporation into functional devices is challenging owing to the difficulty in positioning them at specified sites on surfaces. In contrast with the conventional synthesis-then-assembly paradigm, scanning probe block copolymer lithography can pattern precursor materials embedded in a pol...

1996
C. Xu W. S. Oh

Layered, binary thin-film oxides of NiO, MgO and CaO have been prepared and characterized using low energy electron diffraction, Auger electron spectroscopy, energy loss spectroscopy, ion scattering spectroscopy, and temperature programmed desorption using probe molecules. Epitaxial growth was observed for the NiO–MgO and CaO–NiO systems; however, superior wetting was found for NiO–MgO relative...

2017
Ramakrishnan Azhagu Raj Mohamad S. AlSalhi Sandhanasamy Devanesan

In this paper, using Coriandrum sativum L., a leaf-extracted, assisted microwave method (MM) was used to synthesize nickel oxide formation. We synthesized nickel oxide nanoparticles (NiO) with a crystal size in the range of 15-16 nm by a Coriandrum sativum leaf-assisted microwave method (LAMM). The synthesized materials show that an X-ray diffraction (XRD) study confirmed the formation of a sin...

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