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Relevant bibliographies by topics / Chromium Iron Nanoparticles. Metallic oxides. Transmission electron microscopy

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Academic literature on the topic 'Chromium Iron Nanoparticles. Metallic oxides. Transmission electron microscopy'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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Journal articles on the topic "Chromium Iron Nanoparticles. Metallic oxides. Transmission electron microscopy"

1

Willis, Amanda L., Zhuoying Chen, Jiaqing He, Yimei Zhu, Nicholas J. Turro, and Stephen O'Brien. "Metal Acetylacetonates as General Precursors for the Synthesis of Early Transition Metal Oxide Nanomaterials." Journal of Nanomaterials 2007 (2007): 1–7. http://dx.doi.org/10.1155/2007/14858.

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A versatile, convenient, and nontoxic solvothermal method for the synthesis of nanocrystalline iron, chromium, and manganese oxides is described. This method employs the reactions of metal acetylacetonate precursors and oxygen-containing solvents in a reaction to prepare metal oxide nanoparticles. Characterization of these nanocrystalline materials was carried out employing transmission electron microscopy (TEM), high-resolution TEM (HRTEM), X-ray diffraction (XRD), and elemental analysis.

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Marchi, M. Claudia, Carlos A. Figueroa, and Fernando Alvarez. "Functionalization of Ordered Iron-Based Nanoparticles Deposited on Mesoporous Films." Journal of Nanoscience and Nanotechnology 8, no. 1 (2008): 448–51. http://dx.doi.org/10.1166/jnn.2008.045.

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Mesoporous films obtained by dip-coating, combining polycondensation of silicate species and organization of amphiphilic mesophases, were decorated with iron-based nanoparticles from iron aqueous solution. High-resolution transmission electron microscopy (HR-TEM) images and energy dispersive X-rays spectroscopy (EDS) analysis show that the nanoparticles have diameters between 5 to 10 nm and they are deposited in an ordered sequence exclusively on top of the mesoporous structure. Afterward, by irradiating the material with a hydrogen ion beam, the iron-based compound is functionalized, i.e., it

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3

Iacob, Mihail, Carmen Racles, Codrin Tugui, et al. "From iron coordination compounds to metal oxide nanoparticles." Beilstein Journal of Nanotechnology 7 (December 28, 2016): 2074–87. http://dx.doi.org/10.3762/bjnano.7.198.

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Various types, shapes and sizes of iron oxide nanoparticles were obtained depending on the nature of the precursor, preparation method and reaction conditions. The mixed valence trinuclear iron acetate, [Fe2 IIIFeIIO(CH3COO)6(H2O)3]·2H2O (FeAc1), μ3-oxo trinuclear iron(III) acetate, [Fe3O(CH3COO)6(H2O)3]NO3∙4H2O (FeAc2), iron furoate, [Fe3O(C4H3OCOO)6(CH3OH)3]NO3∙2CH3OH (FeF), iron chromium furoate, FeCr2O(C4H3OCOO)6(CH3OH)3]NO3∙2CH3OH (FeCrF), and an iron complex with an original macromolecular ligand (FePAZ) were used as precursors for the corresponding oxide nanoparticles. Five series of na

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Arčon, Iztok, Stefano Paganelli, Oreste Piccolo, Michele Gallo, Katarina Vogel-Mikuš, and Franco Baldi. "XAS analysis of iron and palladium bonded to a polysaccharide produced anaerobically by a strain ofKlebsiella oxytoca." Journal of Synchrotron Radiation 22, no. 5 (2015): 1215–26. http://dx.doi.org/10.1107/s1600577515010371.

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Klebsiella oxytocaBAS-10 ferments citrate to acetic acid and CO2, and secretes a specific exopolysaccharide (EPS), which is able to bind different metallic species. These biomaterials may be used for different biotechnological purposes, including applications as innovative green biogenerated catalysts. In production of biogenerated Pd species, the Fe(III) as ferric citrate is added to anaerobic culture ofK. oxytocaBAS-10, in the presence of palladium species, to increase the EPS secretion and improve Pd-EPS yield. In this process, bi-metallic (FePd-EPS) biomaterials were produced for the first

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5

Yehia, Ramy Sayed, and Ali Mohammed Ali. "Biosynthesis and characterization of iron nanoparticles produced by Thymus vulgaris L. and their antimicrobial activity." Acta botanica Croatica 79, no. 2 (2020): 114–20. http://dx.doi.org/10.37427/botcro-2020-032.

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Research in the area of nanoparticles has grown considerably in recent years. Plant leaf extracts provide a platform for nanoparticle synthesis from metal and metal oxides, which is more economical and environmentally friendly than other methods, such as chemical reduction and physical methods. The present study conducted the biosynthesis of iron nanoparticles (FeNPs) using Thymus vulgaris L. (Thyme) leaf aqueous extract. The characterization of FeNPs was carried out by transmission electron microscopy (TEM), UV-visible spectrophotometry (UV-Vis), Fourier transform infrared spectroscopy (FTIR)

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Qureshi, Muhammad I., Faheemuddin Patel, Nadhir Al-Baghli, Basim Abussaud, Bassam S. Tawabini, and Tahar Laoui. "A Comparative Study of Raw and Metal Oxide Impregnated Carbon Nanotubes for the Adsorption of Hexavalent Chromium from Aqueous Solution." Bioinorganic Chemistry and Applications 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/1624243.

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The present study reports the use of raw, iron oxide, and aluminum oxide impregnated carbon nanotubes (CNTs) for the adsorption of hexavalent chromium (Cr(VI)) ions from aqueous solution. The raw CNTs were impregnated with 1% and 10% loadings (weight %) of iron oxide and aluminum oxide nanoparticles using wet impregnation technique. The synthesized materials were characterized using scanning electron microscopy (SEM) and thermogravimetric analysis (TGA). Batch adsorption experiments were performed to assess the removal efficiency of Cr(VI) ions from water and the effects of pH, contact time, a

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7

Al-Awadi, Abdulrhman S., Ahmed Mohamed El-Toni, Mansour Alhoshan, et al. "Synergetic Impact of Secondary Metal Oxides of Cr-M/MCM41 Catalyst Nanoparticles for Ethane Oxidative Dehydrogenation Using Carbon Dioxide." Crystals 10, no. 1 (2019): 7. http://dx.doi.org/10.3390/cryst10010007.

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Oxidative dehydrogenation of alkanes to alkenes by a mild oxidant such as carbon dioxide is an active area of research. A series of MCM41-supported bimetallic oxide catalysts containing chromium oxide in addition to metal oxides (Ce, Co, Zn, V, Nb, and Mo) has been prepared. The binary catalysts have Cr metal oxide incorporated into MCM41 structure while the other oxides are either incorporated with Cr or impregnated on the MCM41 surface. The synthesized catalysts were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), N2 sorption, scanning electron microscopy (S

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Martínez-Navarro, Blanca, Ruth Sanchis, Esther Asedegbega-Nieto, Benjamín Solsona, and Francisco Ivars-Barceló. "(Ag)Pd-Fe3O4 Nanocomposites as Novel Catalysts for Methane Partial Oxidation at Low Temperature." Nanomaterials 10, no. 5 (2020): 988. http://dx.doi.org/10.3390/nano10050988.

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Nanostructured composite materials based on noble mono-(Pd) or bi-metallic (Ag/Pd) particles supported on mixed iron oxides (II/III) with bulk magnetite structure (Fe3O4) have been developed in order to assess their potential for heterogeneous catalysis applications in methane partial oxidation. Advancing the direct transformation of methane into value-added chemicals is consensually accepted as the key to ensuring sustainable development in the forthcoming future. On the one hand, nanosized Fe3O4 particles with spherical morphology were synthesized by an aqueous-based reflux method employing

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Baker, C., S. Ismat Shah, S. K. Hasanain, et al. "Inert Gas Condensation of Iron and Iron-Oxide Nanoparticles." MRS Proceedings 746 (2002). http://dx.doi.org/10.1557/proc-746-q4.4.

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ABSTRACTAn inert gas condensation technique has been used to prepare nanometer-sized particles of metallic iron by evaporation and agglomeration in a flowing inert gas stream. The resulting Fe nanoparticles were protected from complete oxidation either by the formation of a thin Fe-oxide surface passivation layer or by immersion in an oil bath. X-ray diffraction and transmission electron microscopy measurements indicated that the nanoparticles were typically between 10 and 20 nm in size, that the thickness of the Fe-oxide surface passivation layer was between 3 and 4 nm, and that the oil immer

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Dissertations / Theses on the topic "Chromium Iron Nanoparticles. Metallic oxides. Transmission electron microscopy"

1

Chan, Chun Man. "Transmission electron microscopy study of growth of oxide film in nanoparticles of Cr and Fe /." View Abstract or Full-Text, 2003. http://library.ust.hk/cgi/db/thesis.pl?PHYS%202003%20CHAN.

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Thesis (M. Phil.)--Hong Kong University of Science and Technology, 2003.<br>Includes bibliographical references (leaves 58-59). Also available in electronic version. Access restricted to campus users.

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Conference papers on the topic "Chromium Iron Nanoparticles. Metallic oxides. Transmission electron microscopy"

1

Dent, A. H., A. J. Horlock, D. G. McCartney, and S. J. Harris. "The Structure and Properties of Two Fe-Cr-B-Based Coatings Sprayed Using HVOF." In ITSC 1997, edited by C. C. Berndt. ASM International, 1997. http://dx.doi.org/10.31399/asm.cp.itsc1997p0917.

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Abstract Two boron-rich Fe/Cr based gas atomised powders (Armacor M and Armacor C) have been thermally sprayed using the HVOF process and the resultant deposits subsequently characterised, using X-ray diffraction, scanning electron microscopy (SEM), plan view transmission electron microscopy (TEM), and microhardness measurements. The wear and corrosion characteristics of the two alloy coatings have also been investigated by three body abrasive wear (utilising cross-sectional TEM to examine the worn surfaces) and potentiodynamic corrosion testing respectively. Results from microstructural analy

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