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Synthesis and crystal structures of iron hydrogen phosphates

Synthesis and crystal structures of iron hydrogen phosphates
Synthesis and crystal structures of iron hydrogen phosphates
Three new iron hydrogen phosphate compositions have been synthesised under hydrothermal conditions; Fe(II)2O(HPO4) ( 1), (NH4)3Fe(III)3(HPO4)6 ( 2) and Fe1.34(III)(PO4)OH0.96 ( 3). 1 and 2 have framework structures constructed from FeO6 octahedra and HPO4/PO4 tetrahedra containing cavities; in the case of 2, these are occupied by ammonium cations while in 1 they are cross linked by hydrogen bonding involving the HPO4 groups. Crystals of 3 grow as 30 m octahedral jackstones and this synthetic material adopts the structure from the Lipscombite solid solution. Thermal decomposition of these materials yields simple iron phosphates and the potential of these compounds and their derivatives, formed for example through Li+-ion exchange of NH4+, for battery applications is discussed
0300-9246
3786-3792
Weller, Mark T.
36a60b56-049f-466c-a1d7-39d6b0d85ff4
Redrup, Kate Victoria
36b0e2f5-fae3-4c42-bfb0-9fb5d794fdf6
Weller, Mark T.
36a60b56-049f-466c-a1d7-39d6b0d85ff4
Redrup, Kate Victoria
36b0e2f5-fae3-4c42-bfb0-9fb5d794fdf6

Weller, Mark T. and Redrup, Kate Victoria (2009) Synthesis and crystal structures of iron hydrogen phosphates. Dalton Transactions, 3786-3792. (doi:10.1039/b902519g).

Record type: Article

Abstract

Three new iron hydrogen phosphate compositions have been synthesised under hydrothermal conditions; Fe(II)2O(HPO4) ( 1), (NH4)3Fe(III)3(HPO4)6 ( 2) and Fe1.34(III)(PO4)OH0.96 ( 3). 1 and 2 have framework structures constructed from FeO6 octahedra and HPO4/PO4 tetrahedra containing cavities; in the case of 2, these are occupied by ammonium cations while in 1 they are cross linked by hydrogen bonding involving the HPO4 groups. Crystals of 3 grow as 30 m octahedral jackstones and this synthetic material adopts the structure from the Lipscombite solid solution. Thermal decomposition of these materials yields simple iron phosphates and the potential of these compounds and their derivatives, formed for example through Li+-ion exchange of NH4+, for battery applications is discussed

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Published date: 2009

Identifiers

Local EPrints ID: 158749
URI: http://eprints.soton.ac.uk/id/eprint/158749
ISSN: 0300-9246
PURE UUID: cc552177-460f-459f-86b3-6b08d80bfe55

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Date deposited: 23 Jun 2010 13:41
Last modified: 19 Jul 2019 23:17

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