Calcium carbonate: controlled synthesis, surface functionalization, and nanostructured materials

Yu-Qin, Niu; Jia-Hui, Liu; Cyril, Aymonier; Simona, Fermani; Kralj, Damir; Giuseppe, Falini; Chun-Hui, Zhou (2022) Calcium carbonate: controlled synthesis, surface functionalization, and nanostructured materials. Chemical society reviews, 51 . pp. 7883-7943. ISSN 0306-0012

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Abstract

Calcium carbonate (CaCO3) is an important inorganic mineral in biological and geological systems. Traditionally, it is widely used in plastics, papermaking, ink, building materials, textiles, cosmetics, and food. Over the last decade, there has been rapid development in the controlled synthesis and surface modification of CaCO3, the stabilization of amorphous CaCO3 (ACC), and CaCO3-based nanostructured materials. In this review, the controlled synthesis of CaCO3 is first examined, including Ca2+–CO3 2_ systems, solid– liquid–gas carbonation, water-in-oil reverse emulsions, and biomineralization. Advancing insights into the nucleation and crystallization of CaCO3 have led to the development of efficient routes towards the controlled synthesis of CaCO3 with specific sizes, morphologies, and polymorphs. Recently developed surface modification methods of CaCO3 include organic and inorganic modifications, as well as intensified surface reactions. The resultant CaCO3 can then be further engineered via template induced biomineralization and layer-by- layer assembly into porous, hollow, or core–shell organic–inorganic nanocomposites. The introduction of CaCO3 into nanostructured materials has led to a significant improvement in the mechanical, optical, magnetic, and catalytic properties of such materials, with the resultant CaCO3-based nanostructured materials showing great potential for use in biomaterials and biomedicine, environmental remediation, and energy production and storage. The influences that the preparation conditions and additives have on ACC preparation and stabilization are also discussed. Studies indicate that ACC can be used to construct environmentally-friendly hybrid films, supramolecular hydrogels, and drug vehicles. Finally, the existing challenges and future directions of the controlled synthesis and functionalization of CaCO3 and its expanding applications are highlighted.

Item Type:	Article
Uncontrolled Keywords:	calcium carbonate ; synthesis ; materials
Subjects:	NATURAL SCIENCES > Chemistry
Divisions:	Division of Materials Chemistry
Depositing User:	Damir Kralj
Date Deposited:	17 Oct 2022 11:35
URI:	http://fulir.irb.hr/id/eprint/7584
DOI:	10.1039/d1cs00519g

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