DEPARTMENT OF APPLIED PHYSICS 130 Email tom-tao.wu@polyu.edu.hk Qualification BSc (Zhejiang University) PhD (University of Maryland, College Park) ORCID ID 0000-0003-0845-4827 Prof. WU Tao Tom Chair Professor of Frontier Materials Research Overview (1) Design, synthesis, and characterisation of frontier materials, including halide perovskites and other functional nanomaterials (2) Large-scale epitaxial thin films and self-assembled quantum nanomaterials (3) Mixed-dimensional heterostructures and interfaces; Optoelectronics and iontronics Frontier materials, such as halide perovskites and other quantum materials, in the forms of thin films, nanostructures, and their mixed-dimensional heterostructures are explored for electronic and energy-related applications. Our endeavours leverage their unique properties such as strong light-matter coupling, extremely broadband absorption, unique defect characteristics, anomalous phonon activity, and high-mobility ambipolar charge transport. An example is 3D-1D heterostructure of carbon nanotubes in either perovskite films or single crystals, which brings out the synergy from two classes of strategically important materials. Devices such as phototransistor, photomemory, and optoelectronic gas sensors incorporating frontier materials, offer new mechanisms and operation modes. Furthermore, scalable methods of bottom-up synthesis and lithography patterning are developed for device integration and large-scale manufacture. The materials-based strategies offer solutions to critical problems in the domains of electronics and energy. Representative Publications • Acc. Mater. Res. 2022, 3, 8–20 • Nature 2022, 605, 262-267 • Nat. Commun. 2021, 12, 466 • Adv. Mater. 2021, 33, 2005000 • Science 2020, 368, eaba2412 • Nature 2018, 561, 88-93 Awards and Achievements • STEM Global Chair Professor, 2022 • Clarivate Highly Cited Researcher, 2019-2022 • Fellow of the Royal Society of Chemistry, 2020 Professional Service • Associate Editor, ACS Appl. Mater. & Interfaces, 2015-2023
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