His research field include: materials chemistry addressing on the synthesis and growth mechanism of a range of nanoscale materials such as carbon nanotubes and group III nitrides, the characterization of the unique physical properties of these materials, as well as the demonstration of applications of these materials in nanodevices.

Growth mechanism, structural regulation and functionalization of carbon-based nanotubes; Growth mechanism, controllable preparation and properties of semiconductor nanowires; Design, construction and properties of novel electrocatalysts for fuel cells.