Major Areas of Research:

Nanostructured Thermoelectric Materials: synthesis, characterization, and applications of semiconducting nanoparticles such as Si, Ge, SiGe, Bi, Bi₂Te₃, Sb₂Te₃, CoSb₃, PbTe, PbSe, etc.

Thermoelectric Energy Conversion: power generation and cooling devices using high ZT thermoelectric materials.

Solar Energy Harvesting: solar energy conversion using nano scale coaxial cable arrays and thermoelectric materials.

Carbon Nanotubes: synthesis, characterization, functionalization, properties, and applications.

Field Emission: low voltage electron emissive materials.

Ceramics: powder, thin and thick film processing and characterization of various ceramics including carbides, oxides, nitrides, borides, etc.