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Research

Both fundamental and applied research is undertaken in the following areas of Nanostructured Materials with an emphasis on in-situ atomic resolution dynamics of 2D crystals.

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Aberration-corrected transmission electron microscopy and spectroscopy.

Annular dark field scanning transmission electron microscopy (ADF-STEM), 4D STEM with ultrafast pixelated detectors, phase contrast TEM, low voltage single atom TEM (60-80kV), in-situ heating/biasing of 2D materials, atomically resolved electron energy loss spectroscopy (EELS), image simulations based on DFT models. 

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Materials Chemistry: Synthesis, Functionalization, and Processing 

Chemical vapour deposition growth of 2D materials such as graphene, transition metal dichalcogenides and hBN. Nanoscale patterning. Vertical layered heterostructure formation. Interfacing with quantum dots and molecular systems. 

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Nanoscale Electronic and Opto-electronic Devices

Nanofabricated devices using 2D materials, ultrathin 2D opto-electronics, lateral heterostructures, vertical stacked heterostructures, photodetectors, light emitting devices, flexible electronics, in-situ electrical measurements in the TEM.

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Catalysts and Energy Materials

MoS2 catalyst for hydrogen evolution reaction, Pt doped MoS2, Pt catalysts for fuel cells and HER, Structural analysis of catalyst using TEM.

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