Synthetic Strategy and
Structural and Optical Characterization
of Thin Highly Crystalline Titanium Disulfide Nanosheets
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Abstract
Two-dimensional (2D) nanomaterials have recently received
significant
attention because of their attractiveness for use in many nanostructured
devices. Layered transition-metal dichalcogenides are of particular
interest because reducing their dimensionality causes changes in their
already anisotropic physical and chemical properties. The present
study describes the first bottom-up solution-phase synthesis of thin
highly crystalline titanium disulfide (TiS<sub>2</sub>) nanosheets
(NSs) using abundant low-cost molecular precursors. The obtained TiS<sub>2</sub> NSs have average dimensions of ∼500 nm × 500
nm in the basal plane and have thicknesses of ∼5 nm. They exhibit
broad absorption in the visible that tails out into the near-infrared.
The obtained results demonstrate new opportunities in synthesizing
low-dimensional 2D nanomaterials with potential use in various photochemical
energy applications