Formation of Highly Reactive Species at the Interface Fe°–Iron Oxides Particles by Mechanical Alloying and Thermal Treatment: Potential Application in Environmental Remediation Processes

Formation of Highly Reactive Species at the Interface Fe°–Iron Oxides Particles by Mechanical Alloying and Thermal Treatment: Potential Application in Environmental Remediation Processes

In this work, the formation of highly reactive species at the interface of Fe°/iron oxides mixtures, i.e., Fe3O4, γ-Fe2O3, or α-Fe2O3 prepared by mechanical alloying and thermal treatment at 200–800 °C was studied. Mössbauer spectroscopic, XRD, SEM, BET, and magnetization measurements suggest a stro...

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Bibliographic Details
Published in:Chemistry letters Vol. 34; no. 8; pp. 1172 - 1173
Main Authors: Moura, Flávia Cristina Camilo, Oliveira, Grazielli Cristina, Araujo, Maria Helena, Ardisson, José Domingos, Macedo, Waldemar Augusto de Almeida, Lago, Rochel Montero
Format: Journal Article
Language:English
Published: The Chemical Society of Japan 01-08-2005
Online Access:Get full text
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Summary:In this work, the formation of highly reactive species at the interface of Fe°/iron oxides mixtures, i.e., Fe3O4, γ-Fe2O3, or α-Fe2O3 prepared by mechanical alloying and thermal treatment at 200–800 °C was studied. Mössbauer spectroscopic, XRD, SEM, BET, and magnetization measurements suggest a strong interaction between the metal and the oxides producing highly reactive surface species which can readily react with gas phases, i.e., O2, and with aqueous phase, i.e., H2O2, molecules.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2005.1172