Issue 17, 2024

Facet-controlled growth and soft-chemical exfoliation of two-dimensional titanium dioxide nanosheets

Abstract

TiO2 remains one of the most popular materials used in catalysts, photovoltaics, coatings, and electronics due to its abundance, chemical stability, and excellent catalytic properties. The tailoring of the TiO2 structure into two-dimensional nanosheets prompted the successful isolation of graphene and MXenes. In this review, facet-controlled TiO2 and monolayer titanate are outlined, covering their synthesis route and formation mechanism. The reactive facet of TiO2 is usually controlled by a capping agent. In contrast, the monolayer titanate is achieved by ion-exchange and delamination of layered titanates. Each route leads to 2D structures with unique physical and chemical properties, which expands its utilisation into several niche applications. We elaborate the detailed outlook for the future use and research studies of facet-controlled TiO2 and monolayer titanates. Advantages and disadvantages of both structures are provided, along with suggested applications for each type of 2D TiO2 nanosheets.

Graphical abstract: Facet-controlled growth and soft-chemical exfoliation of two-dimensional titanium dioxide nanosheets

Article information

Article type
Review Article
Submitted
29 5 2024
Accepted
15 7 2024
First published
16 7 2024
This article is Open Access
Creative Commons BY license

Nanoscale Adv., 2024,6, 4325-4345

Facet-controlled growth and soft-chemical exfoliation of two-dimensional titanium dioxide nanosheets

C. Harito, M. Khalil, L. Nurdiwijayanto, N. L. W. Septiani, S. A. Abrori, B. R. Putra, S. Z. J. Zaidi, T. Taniguchi, B. Yuliarto and F. C. Walsh, Nanoscale Adv., 2024, 6, 4325 DOI: 10.1039/D4NA00442F

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