1. Discovery and characterization of 2D materials and their heterostructures 2. Design and synthesis of two-dimensional materials and their heterostructures 3. Characterizations of nanoscale two-dimensional materials and heterostructures 4. Nanoheterostructured materials based on conjugated polymer and two-dimensional materials: Synthesis and applications 5. Transition metal dichalcogenides based two-dimensional heterostructures for optoelectronic applications 6. Electronic and optoelectronic properties of the heterostructure devices composed of two-dimensional layered materials 7. Device physics and device integration of two-dimensional heterostructures 8. Electrocatalytic properties of two-dimensional transition metal dichalcogenides and their hetrostructures in energy applications 9. Emerging bio-applications of two-dimensional nanoheterostructure material