Semiconductor Nanomaterials and Nanodevices -1

I. Catalyst-assisted vs. catalyst-free nanowire/nanorod growth methods

- Observation of ZnO nanorod growth without metal catalysts

- High purity ZnO nanorods (optical and electrical characterizations)

II. Nanorod heterostructures and quantum structures

- Axial and coaxial nanorod quantum well structures

- Probing exciton diffusion in semiconductors using nanorod quantum structures

- Coaxial nanorod FETs

- Quantum phenomena in coaxial nanorod heterostructures

III. Position-controlled, selective growth of semiconductor nanomaterials

- Shape-controlled, selective growth of ZnO nanowalls

- Position- and shape-controlled, vertically aligned ZnO nanotubes

IV. Optoelectronic device applications using vertically aligned ZnO