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Crystallization of aluminum polycation sulfates: transformation of tetrahedral crystals into block crystals in aqueous solutions

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Abstract

Novel crystalline transformation of Al polycation sulfates from tetrahedral to block shape was observed spontaneously in aqueous solution. Theoretical calculations revealed that the transformation reaction was driven by thermodynamics, which led to the dissolution of Na+ from Al13 polycations in the crystal lattice. A new crystalline phase was formed by subsequent re-organization and re-growth.

Graphical abstract: Crystallization of aluminum polycation sulfates: transformation of tetrahedral crystals into block crystals in aqueous solutions

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Publication details

The article was received on 14 Sep 2018, accepted on 20 Nov 2018 and first published on 26 Nov 2018


Article type: Communication
DOI: 10.1039/C8CE01571F
Citation: CrystEngComm, 2019, Advance Article
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    Crystallization of aluminum polycation sulfates: transformation of tetrahedral crystals into block crystals in aqueous solutions

    G. An, Y. Jiang, J. Xi, L. Liu, P. Wang, F. Xiao and D. Wang, CrystEngComm, 2019, Advance Article , DOI: 10.1039/C8CE01571F

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