Controlled Generation of Uniform Spherical LaMnO3, LaCoO3, Mn2O3, and Co3O4 Nanoparticles and Their High Catalytic Performance for Carbon Monoxide and Toluene Oxidation

Liu, Yuxi; Dai, Hongxing; Deng, Jiguang; Zhang, Lei; Zhao, Zhiye; Li, Xinwei; Wang, Yuan; Xie, Shaohua; Yang, Huanggen; Guo, Guangsheng

doi:10.1021/ic400832h

Cited by 131 publications

(59 citation statements)

References 75 publications

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“…Here we show that monophasic rare-earth cobaltite materials can be obtained by MWassisted synthesis within 30 minutes with massive time and energy savings. LaCoO3 has been synthesized previously by innovative and novel chemical synthesis methods [28][29][30], including MW-assisted processes [11,31,32], but the rest of the series (RE = Pr -Dy) has not been prepared before using MW heat sources to the best of our knowledge.…”

Section: Introductionmentioning

confidence: 99%

Microwave-Assisted Synthesis, Microstructure, and Magnetic Properties of Rare-Earth Cobaltites

et al. 2016

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Citation for published item:quti¡ errez eij sD tuli nd r doEqonj lD tes¡ us nd ¡ evil fr ndeD h vid nd erryD s n nd wor¡ nD imilio nd hmidtD iner @PHIUA 9wi row veE ssisted synthesisD mi rostru tureD nd m gneti properties of r reEe rth o ltitesF9D snorg ni hemistryFD ST @IAF ppF TPUETQQF Further information on publisher's website:This document is the Accepted Manuscript version of a Published Work that appeared in nal form in Inorganic Chemistry, copyright c 2016 American Chemical Society after peer review and technical editing by the publisher. To access the nal edited and published work see https://doi.org/10.1021/acs.inorgchem.6b02557. Additional information:Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-pro t purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. AbstractThe series of perovskite rare-earth (RE) doped cobaltites (RE)CoO3 (RE = La -Dy) was prepared by microwave-assisted synthesis. The crystal structure undergoes a change of symmetry depending on the size of the RE cation. LaCoO3 is rhombohedral, S.G. , while for the rest of the RE series (Pr -Dy) the symmetry is orthorhombic, S.G. Pnma (No. 62). The crystal structure obtained by X-Ray diffraction was confirmed by high resolution transmission electron microscopy, which yielded a good match between experimental and simulated images. It is further shown that the well-known magnetism in LaCoO3, which involves a thermally induced Co 3+ (d 6 ) low spin to intermediate or high spin state transition, is strongly modified by RE-doping and a rich variety of magnetic order has been detected across the series.

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Section: Introductionmentioning

confidence: 99%

Microwave-Assisted Synthesis, Microstructure, and Magnetic Properties of Rare-Earth Cobaltites

et al. 2016

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“…Other effects of silica NPs include ROS generation, the production of IL-6, IL-8, MCP-1, TNF-α, IL-1β, and the enhanced expression of CD106, CD62E and tissue factor in human endothelial cells and monocytes. These suggest that interactions between particles, endothelial cells and monocytes may trigger or exacerbate cardiovascular dysfunction, atherosclerosis and thrombosis (Liu et al, 2012). Silica NPs affect inflammatory response in dendritic cells by activating p38 and NF-κB.…”

Section: Non-metal Oxide Nanoparticlesmentioning

confidence: 99%

Emerging aspects of nanotoxicology in health and disease: From agriculture and food sector to cancer therapeutics

Piperigkou

Καραμάνου

Engin

et al. 2016

Food and Chemical Toxicology

109

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Nanotechnology is an evolving scientific field that has allowed the manufacturing of materials with novel physicochemical and biological properties, offering a wide spectrum of potential applications. Properties of nanoparticles that contribute to their usefulness include their markedly increased surface area in relation to mass, surface reactivity and insolubility, ability to agglomerate or change size in different media and enhanced endurance over conventional-scale substance. Here, we review nanoparticle classification and their emerging applications in several fields; from active food packaging to drug delivery and cancer research. Nanotechnology has exciting therapeutic applications, including novel drug delivery for the treatment of cancer. Additionally, we discuss that exposure to nanostructures incorporated to polymer composites, may result in potential human health risks. Therefore, the knowledge of processes, including absorption, distribution, metabolism and excretion, as well as careful toxicological assessment is critical in order to determine the effects of nanomaterials in humans and other biological systems. Expanding the knowledge of nanoparticle toxicity will facilitate designing of safer nanocomposites and their application in a beneficial manner.

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“…The high reactivity of MnO x towards VOCs abatement is generally ascribed to easy variation of manganese oxidation state (Mn 2+ , Mn 3+ , Mn 4+ ), oxygen storage capacity in the crystalline lattice and high mobility of lattice oxygen [26]. Kim [29,30] and MnO 2 [28] were also previously investigated separately by different research teams for toluene oxidation. F. Wang et al [31] reported on the external morphology effect of MnO x (rod-, wire-, tube-, and flower-like morphologies) for the oxidation of toluene.…”

Section: Mno X In Catalytic Oxidation Of Toluenementioning

confidence: 99%

The Design of MnOx Based Catalyst in Post-Plasma Catalysis Configuration for Toluene Abatement

Giraudon

Geyter

et al. 2018

Catalysts

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This review provides an overview of our present state of knowledge using manganese oxide (MnOx)-based catalysts for toluene abatement in PPC (Post plasma-catalysis) configuration. The context of this study is concisely sum-up. After briefly screening the main depollution methods, the principles of PPC are exposed based on the coupling of two mature technologies such as NTP (Non thermal plasma) and catalysis. In that respect, the presentation of the abundant manganese oxides will be firstly given. Then in a second step the main features of MnOx allowing better performances in the reactions expected to occur in the abatement of toluene in PPC process are reviewed including ozone decomposition, toluene ozonation, CO oxidation and toluene total oxidation. Finally, in a last part the current status of the applications of PPC using MnOx on toluene abatement are discussed. In a first step, the selected variables of the hybrid process related to the experimental conditions of toluene abatement in air are identified. The selected variables are those expected to play a role in the performances of PPC system towards toluene abatement. Then the descriptors linked to the performances of the hybrid process in terms of efficiency are given and the effects of the variables on the experimental outcomes (descriptors) are discussed. The review would serve as a reference guide for the optimization of the PPC process using MnOx-based oxides for toluene abatement.

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Controlled Generation of Uniform Spherical LaMnO₃, LaCoO₃, Mn₂O₃, and Co₃O₄ Nanoparticles and Their High Catalytic Performance for Carbon Monoxide and Toluene Oxidation

Cited by 131 publications

References 75 publications

Microwave-Assisted Synthesis, Microstructure, and Magnetic Properties of Rare-Earth Cobaltites

Microwave-Assisted Synthesis, Microstructure, and Magnetic Properties of Rare-Earth Cobaltites

Emerging aspects of nanotoxicology in health and disease: From agriculture and food sector to cancer therapeutics

The Design of MnOx Based Catalyst in Post-Plasma Catalysis Configuration for Toluene Abatement

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