Insights into the self-assembly mechanism of the modular polyoxometalate "Keggin-Net" family of framework materials and their electronic properties

Thiel, J., Molina-Sanchez, P.I., Symes, M.D. and Cronin, L. (2012) Insights into the self-assembly mechanism of the modular polyoxometalate "Keggin-Net" family of framework materials and their electronic properties. Crystal Growth and Design, 12(2), pp. 902-908. (doi:10.1021/cg201342z)

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Abstract

The mechanism for the syntheses of inorganic framework materials based solely on polyoxometalate Keggin clusters has been examined and their electronic properties have been investigated. The assembly of the modular network compounds with the molecular formula (C4H10NO)(n)[W72M12O268X7] (with the heteroatom X = Si or Ge and the heterometal M = Co(II) or Mn(III)) is based on the isomerization of the metastable precursor material [gamma-XW10O36](8-), followed by the inclusion of the heterometal and subsequent assembly into the extended framework structure. The two frameworks featuring manganese substitution can be dis- and reassembled in a recrystallization process while the cobalt versions do not show comparable behavior. The intrinsic differences of the four compounds with substitution are shown in terms of their redox behavior. regards to their heteroatom and heterometal

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Symes, Dr Mark and Molina-Sanchez, Mr Pedro and Thiel, Mr Johannes and Cronin, Professor Lee
Authors: Thiel, J., Molina-Sanchez, P.I., Symes, M.D., and Cronin, L.
Subjects:Q Science > QD Chemistry
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Crystal Growth and Design
ISSN:1528-7483

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