نتایج جستجو برای: metal oxide nanoparticles

تعداد نتایج: 442071  

Journal: :Chemical communications 2011
Katsuya Shimura Hiromasa Kawai Tomoko Yoshida Hisao Yoshida

Photodeposition of a Rh cocatalyst under atmospheric conditions could simultaneously provide both Rh metal and oxide nanoparticles on a K(2)Ti(6)O(13) photocatalyst, both of which cooperatively promoted the photocatalytic hydrogen production from water and methane.

Journal: :Chemical communications 2008
Sunhye Lim Jaephil Cho

PVP functionalized metal oxide coatings on spinel nanoparticles demonstrated significantly improved rate characteristics under extensive cycling at 65 degrees C and exhibited over 100% improved capacity retention compared to the bare counterpart.

2004
GERMAN SALAZAR-ALVAREZ

This thesis deals with the synthesis, characterisation, and some applications of ferrimagnetic iron oxide nanoparticles. The iron oxide systems presented in this work are Fe3O4, γ-Fe2O3, NixFe3−xO4, CoxFe3−xO4. Iron oxide nanoparticles were prepared using chemical synthesis methods. Nanoparticles with a narrow size distribution were synthesised using zone confinement methods such as nanoemulsio...

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                                                                                  The synthesis of metal nanoparticles has attracted the attention of scientists in various fields, particularly in the chemical, physical, biological and medical sciences. Using extract of plant for nanoparticle synthesis can be advantageous over other biological processes because it eliminates the elaborate proc...

2010
V. I. Anikeev

Continuous hydrothermal synthesis of metal oxide nanoand microparticles in supercritical water was performed in a continuous flow reactor. The results of investigation of LiCoO2, LiNiO2, LiZnO2, LiCuO2, Ga2O3, CeO2 nanoparticles by HRTEM and XRD analysis were presented.

2003
A. Sreekumaran Nair T. Pradeep I. MacLaren

Monolayer protected nanoparticles, Au@ZrO 2 @stearate and Ag@ZrO 2 @stearate, in which the core–shell nanoparticles, Au@ZrO 2 and Ag@ZrO 2 (ZrO 2 coated Au and Ag nanoparticles) are functionalized with stearic acid, have been synthesized and characterized. The air-dried powders, freely dispersible in several organic solvents (both polar and non-polar), are stable for extended periods. The mater...

Journal: :journal of nanostructures 2012
a. abbasi s. tarighi

this  article  provides  an  overview  on  preparation,  design,  crystal structure  and  properties  of  some  metal-organic  frameworks  of carboxylate coordination polymers mixed with pyridine-functionality linkers  prepared  in  our  laboratory.  the  article  covers  coordination polymers  in  two-  and  three-dimensional  supramolecular architectures. the reported coordination polymers ex...

A.A. Dehno Khalaji, D. Das, F. Gharib, J.S. Matalobos

In this paper, cubic nickel oxide nanoparticles were successfully prepared by solid-state thermal decomposition of nickel(II) macrocyclic Schiff-base complex at 450°C for 3 h without employing toxic solvent or surfactant and complicated equipment. nickel(II) macrocyclic Schiff-base complex was synthesized by the reaction of 1,2-bis(2-formyl-3-methoxyphenyl)propane, NiCl2•6H2O and 1,3-phenylened...

A.A. Dehno Khalaji, D. Das, F. Gharib, J.S. Matalobos

In this paper, cubic nickel oxide nanoparticles were successfully prepared by solid-state thermal decomposition of nickel(II) macrocyclic Schiff-base complex at 450°C for 3 h without employing toxic solvent or surfactant and complicated equipment. nickel(II) macrocyclic Schiff-base complex was synthesized by the reaction of 1,2-bis(2-formyl-3-methoxyphenyl)propane, NiCl2•6H2O and 1,3-phenylened...

Journal: :Journal of nanoscience and nanotechnology 2015
Jie Chang Gaku Ichihara Yasuhito Shimada Saeko Tada-Oikawa Junya Kuroyanagi Beibei Zhang Yuka Suzuki Radwa Sehsah Masashi Kato Toshio Tanaka Sahoko Ichihara

The present study investigated the effects of exposure to metal oxide nanoparticles on vasculogenesis/angiogenesis using transgenic zebrafish. The study also examined the potential mechanisms involved in those effects using human umbilical vein endothelial cells (HUVEC). TG (nacre/fli1:EGFP) zebrafish were exposed to nano-sized titanium dioxide (TiO2), silica dioxide (SiO2), and copper oxide (C...

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