A nonclassical pathway to biomimetic strained SrSO4 crystals

Rina Fujimaki; Yuya Oaki; Hiroaki Imai

doi:10.1039/D2CE00379A

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A nonclassical pathway to biomimetic strained SrSO₄ crystals†

Rina Fujimaki,^a Yuya Oaki

^a and Hiroaki Imai

*^a

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* Corresponding authors

^a Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
E-mail: hiroaki@applc.keio.ac.jp

Abstract

Biomimetic strained SrSO₄ crystals were produced through a nonclassical pathway involving fiber-by-fiber accumulation with poly(acrylic acid) in an aqueous solution system. Polymer-stabilized fibrous hydrate crystals 20–40 nm wide and several micrometers long were formed in the initial stage. Spindle-shaped microrods of SrSO₄ were then constructed by oriented attachment of the hydrous fibrils and subsequent dehydration. The strained structure of the anhydrous SrSO₄ crystals is similar to biogenic SrSO₄ spines of acantharian species, a marine unicellular holoplanktonic protist.

This article is part of the themed collection: Editor’s Collection: Non-classical crystallization processes

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Article information

DOI: https://doi.org/10.1039/D2CE00379A
Article type: Paper
Submitted: 17 Mar 2022
Accepted: 05 May 2022
First published: 06 May 2022

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CrystEngComm, 2022,24, 4356-4360

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A nonclassical pathway to biomimetic strained SrSO₄ crystals

R. Fujimaki, Y. Oaki and H. Imai, CrystEngComm, 2022, 24, 4356 DOI: 10.1039/D2CE00379A

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