Issue 2, 2019
From the journal:

CrystEngComm

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

Guangyu An, ORCID logo a   Yuqian Jiang,b   Jinyang Xi,c   Libing Liu,a   Pin Wang,a   Feng Xiao ORCID logo a  and  Dongsheng Wang*a  

* Corresponding authors

a State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Science, Chinese Academy of Sciences, No. 18 Shuangqing Road, Beijing 100085, China
E-mail: wdgs@rcees.ac.cn

b Laboratory for Nanosystem and Hierarchy Fabrication, National Center for Nanoscience Technology, No. 11 ZhongGuanCun BeiYiTiao, Beijing 100190, China
E-mail: jiangyq@nanoctr.cn

c Materials Genome Institute, No. 9 Hangda Road, Shanghai 200444, China
E-mail: jinyangxi@shu.edu.cn

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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Article information

DOI
https://doi.org/10.1039/C8CE01571F
Article type
Communication
Submitted
14 Sep 2018
Accepted
20 Nov 2018
First published
26 Nov 2018

CrystEngComm, 2019,21, 202-206

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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, 21, 202 DOI: 10.1039/C8CE01571F

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