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Dr Y Wang

Two dimensional (2D) materials are atomically thin with relatively large lateral dimensions. The absence of a third dimension has a dramatic impact on the electronic structure of 2D materials, allowing both fundamental discoveries as well technologically important proof of concept demonstrations. Graphene is the most famous 2D material but recent work has shown that there are hundreds of arguably more interesting and practical 2D materials. The research in the field is fast moving but it is guided by a few basic scientific principles based on the properties of 2D materials.

The aim of this course is to introduce 2D materials and provide an overview of the field by highlighting key discoveries that have the potential to disrupt aspects of existing electronics, optics and energy applications. 

This lecture course will cover:

  • Introduction of different types of 2D materials beyond graphene. Specifically, I will introduce 2D transition metal dichalcogenides, phosphorene, MXenes etc.
  • Physical properties of 2D materials such as phase transformations, magnetism, atomic and electronic structure.
  • Electronic properties of 2D materials and why they are ideally suited to address challenges related to very small channel transistors
  • Optical properties of 2D materials and valley polarization for accessing new physical phenomena
  • Electrochemistry with 2D materials for energy storage and electrocatalysis
  • Strategies and challenges of 2D materials synthesis