Skip to Main Content
Book Chapter

Influence of iron oxide structure and size on redox reactivity

By
Corinne Chanéac
Corinne Chanéac
Laboratoire de Chimie de la Matière Condensée, UMR 7574, Université Paris 6 - Sorbonne Universités, CNRS, Collège de France, 11 place Marcelin Berthelot, 75005 Paris, France
Search for other works by this author on:
Jean-Pierre Jolivet
Jean-Pierre Jolivet
Laboratoire de Chimie de la Matière Condensée, UMR 7574, Université Paris 6 - Sorbonne Universités, CNRS, Collège de France, 11 place Marcelin Berthelot, 75005 Paris, France
Search for other works by this author on:
Published:
January 01, 2017

Abstract

Decreasing the particle size of a solid to the nanoscale has consequences for its crystalline and electronic structures. It also involves a large extension of the surface area, thus modifying its reactivity. This chapter focuses on the effect of particle size on thermodynamic, structural and electronic characteristics and on redox properties. It is commonly accepted that a decrease in particle size increases the reactivity of materials. This is discussed here through the description of three main iron oxide structural groups, namely spinel (magnetite, maghemite), hematite and goethite, which exhibit specific behaviour vs. size effect. The role of structural defects and nanoparticle morphology in terms of reactivity is highlighted.

You do not currently have access to this article.

Figures & Tables

Contents

European Mineralogical Union Notes in Mineralogy

Redox-reactive Minerals: Properties, Reactions and Applications in Clean Technologies

I.A.M. Ahmed
I.A.M. Ahmed
Search for other works by this author on:
K.A. Hudson-Edwards
K.A. Hudson-Edwards
Search for other works by this author on:
Mineralogical Society of Great Britain and Ireland
Volume
17
ISBN electronic:
9780903056588
Publication date:
January 01, 2017

GeoRef

References

Related

Citing Books via

Close Modal
This Feature Is Available To Subscribers Only

Sign In or Create an Account

Close Modal
Close Modal