نتایج جستجو برای: co3o4 nanoparticles

تعداد نتایج: 108045  

Journal: :Carbon energy 2023

The practical application of lithium–sulfur batteries (LSBs) is severely hindered by the undesirable shuttling lithium polysulfides (LiPSs) and sluggish redox kinetics sulfur species. Herein, a series ultrathin single-atomic tungsten-doped Co3O4 (Wx-Co3O4) nanosheets as catalytic additives in cathode for LSBs are rationally designed synthesized. Benefiting from enhanced activity optimized elect...

Journal: :journal of nanostructures 2013
s. farhadi a. sepahdar k. jahanara

in this paper, the mer-co(nh3)3(no2)3 complex was used as a new precursor for synthesizing spinel-type cobalt oxide nanoparticles (co3o4nps).thermal decomposition of the complex at low temperature (175 °c) resulted in the co3o4nps without using expensive and toxic solvents or complicated equipment. xrd, ft-ir, sem, edx, and tem were employed to characterize the product, and its optical and magn...

Journal: :Nanoscale 2010
Caixia Xu Rongyue Wang Yan Zhang Yi Ding

A general corrosion strategy was employed for the straightforward fabrication of a variety of metal oxide nanostructures, such as Fe3O4 octahedra, Co3O4 nanoplates, nanoporous TiO2, and Mn3O4 octahedra.

Journal: :Angewandte Chemie 2023

Die elektrochemische Umwandlung von Nitrat in Ammoniak ist ein wichtiger und nachhaltiger Ansatz zur Wiederherstellung des weltweit gestörten Stickstoffkreislaufs. rationale Entwicklung Katalysatoren für die Nitratreduktionsreaktion (NO3RR) auf der Grundlage eines detaillierten Verständnisses Reaktionsmechanismus großer Bedeutung. Wir berichten über einen Cu2O+Co3O4-Tandemkatalysator, NH3-Produ...

Journal: :Separation and Purification Technology 2021

As phenol represents as the most typical persistent organic pollutants in wastewater, SO4•−-involved chemical oxidation techniques using monopersulfate (MPS) have been regarded a promising method to eliminate phenol. Since Co3O4 is benchmark heterogeneous catalyst for activating MPS, it highly critical investigate shape-varied catalysts with well-defined crystal planes MPS degrade Thus, aim of ...

Journal: :Physical chemistry chemical physics : PCCP 2014
Changhui Zhao Baoyu Huang Jinyuan Zhou Erqing Xie

Porous Co3O4 nanonetworks (NNWs), converted from precursor CoOOH nanosheets, have been synthesized via a controllable chemical reaction route followed by calcination at 400 °C in air. The morphologies and microstructures of the precursor nanosheets and the final products were characterized by high-resolution transmission electron microscopy and X-ray diffraction, respectively. The growth mechan...

Journal: :Journal of Nanoengineering and Nanomanufacturing 2011

Journal: :Chemosensors 2023

In this work, ZIF-8-derived Co3O4@ZnO microspheres were prepared by a liquid-phase concentration-controlled nucleation strategy. The results of the material characterization showed that obtained, and surface structure could be controlled with concentration ligand. Compared pure Co3O4 microspheres, operating temperature optimized increased 90 °C after gas-sensing test. response to 50 ppm acetone...

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