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Preparation of Liquid-exfoliated Transition Metal Dichalcogenide Nanosheets with Controlled Size and Thickness: A State of the Art Protocol
Published on: December 20, 2016
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Atomically thin TiO2 nanosheets synthesized using liquid metal chemistry.
Turki Alkathiri1, Nripen Dhar2, Azmira Jannat2
1School of Engineering, RMIT University, Melbourne, Victoria 3000, Australia. Ali.zavabeti@unimelb.edu.au Torben.daeneke@RMIT.edu.au and School of Engineering, Albaha University, Albaha, Alaqiq 4781, Saudi Arabia.
Chemical Communications (Cambridge, England)
|April 3, 2020
Summary
Researchers synthesized ultrathin rutile titanium dioxide (TiO2) nanosheets using a liquid metal method. This breakthrough expands the library of two-dimensional materials for potential electronic applications.
Area of Science:
- Materials Science
- Nanotechnology
- Solid State Chemistry
Background:
- The scarcity of two-dimensional (2D) materials hinders advancements in nanotechnology.
- Many transition metal compounds lack the layered structure required for easy isolation as nanosheets.
Purpose of the Study:
- To synthesize novel ultrathin rutile titanium dioxide (TiO2) nanosheets.
- To overcome limitations in the current library of 2D materials.
Main Methods:
- Utilized a liquid metal synthesis strategy.
- Achieved synthesis of micron-sized, ultrathin rutile TiO2 nanosheets with controlled thickness.
Main Results:
- Successfully produced rutile TiO2 nanosheets with a uniform thickness of 2 ± 0.5 nm.
- Determined a dielectric constant (ε⊥) of 24 for the synthesized nanosheets.
Conclusions:
- The liquid metal synthesis strategy is effective for producing ultrathin TiO2 nanosheets.
- These novel 2D TiO2 materials offer potential for advanced electronic and material applications.
