Atomically thin TiO2 nanosheets synthesized using liquid metal chemistry

Turki Alkathiri; Nripen Dhar; Azmira Jannat; Nitu Syed; Md Mohiuddin; Manal M. Y. A. Alsaif; Robi S. Datta; Kibret A. Messalea; Bao Yue Zhang; Muhammad Waqas Khan; Aaron Elbourne; Naresh Pillai; Jian Zhen Ou; Ali Zavabeti; Torben Daeneke

doi:10.1039/D0CC01456G

Atomically thin TiO₂ nanosheets synthesized using liquid metal chemistry†

Turki Alkathiri,^ab Nripen Dhar,^a Azmira Jannat,^a Nitu Syed,^a Md Mohiuddin,^a Manal M. Y. A. Alsaif,

^ac Robi S. Datta,^a Kibret A. Messalea,^a Bao Yue Zhang,^a Muhammad Waqas Khan,^ad Aaron Elbourne,

^e Naresh Pillai,^a Jian Zhen Ou,

^a Ali Zavabeti

*^af and Torben Daeneke

*^a

Author affiliations

* Corresponding authors

^a School of Engineering, RMIT University, Melbourne, Victoria 3000, Australia
E-mail: Ali.zavabeti@unimelb.edu.au, Torben.daeneke@RMIT.edu.au

^b School of Engineering, Albaha University, Albaha, Alaqiq 4781, Saudi Arabia

^c Department of Electrical Engineering, Kuwait University, Safat 13060, Kuwait

^d Applied Porous Materials Manufacturing, CSIRO, Melbourne, VIC 3168, Australia

^e School of Science, RMIT University, Melbourne, Victoria, Australia

^f Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia

Abstract

The library of true two-dimensional materials is limited since many transition metal compounds are not stratified and can thus not be easily isolated as nanosheets. Here, micron-sized ultrathin rutile TiO₂ nanosheets featuring uniform thickness (2 ± 0.5 nm) with dielectric constant (ε_⊥ = 24) have been synthesized via a liquid metal synthesis strategy.

Chemical Communications

Atomically thin TiO₂ nanosheets synthesized using liquid metal chemistry†

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