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Topochemical Strategies for the Formation of Alkali-metal Halide Arrays within Perovskite Hosts

Published online by Cambridge University Press:  26 February 2011

Liliana Viciu ,
Xiao Zhang ,
Thomas A. Kodenkandath ,
Valdimir Golub ,
Elisha Josepha  and
John B. Wiley
Liliana Viciu
Affiliation:
mviciu@ princeton.edu, University of New Orleans, Department of Chemistry and AMRI, 2000 Lakeshore Dr., New Orleans, LA, 70148, United States
Xiao Zhang
Affiliation:
xzhang6@uno.edu, University of New Orleans, Department of Chemistry and AMRI, 2000 Lakeshore Dr., New Orleans, LA, 70148, United States
Thomas A. Kodenkandath
Affiliation:
TKodenkandath@amsuper.com, University of New Orleans, Department of Chemistry and AMRI, 2000 Lakeshore Dr., New Orleans, LA, 70148, United States
Valdimir Golub
Affiliation:
vgolub@uno.edu, University of New Orleans, AMRI, 2000 Lakeshore Dr., New Orleans, LA, 70148, United States
Elisha Josepha
Affiliation:
ejosepha@uno.edu, University of New Orleans, Department of Chemistry and AMRI, 2000 Lakeshore Dr., New Orleans, LA, 70148, United States
John B. Wiley
Affiliation:
jwiley@uno.edu, University of New Orleans, Department of Chemistry and AMRI, 2000 Lakeshore Dr., New Orleans, LA, 70148, United States
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Abstract

Multistep topochemical reactions can be used to construct alkali-metal halide arrays within layered perovskite hosts. Combinations of ion exchange and reductive intercalation (A = Li) or reductive and oxidative intercalation (A = Rb) allow one to prepare the compounds such as (A2Cl)LaNb2O7. These products consist of perovskite blocks separated by double alkali-metal halide layers where the local layer structure is dependent on the size of the alkali cation. Details on the synthesis and structures of these materials are presented, and the general utility of the topochemical strategies used in their preparation is discussed.

Keywords

ion-exchange materialintercalationoxide
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 988: Symposium QQ – Solid-State Chemistry of Inorganic Materials VI , 2006 , 0988-QQ08-04
Copyright
Copyright © Materials Research Society 2007

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References

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