E1.

Project title: Nanoscale Materials: synthesis, characterisation and application Nanoscale materials in the forms of tubes and wires have recently been discovered to be stable and possess useful/unique chemical, electrical, and mechanical properties. Bulk-quantity nanowires in different material systems have been synthesized in CityU by various methods including laser ablation and chemical vapor deposition techniques. This is an important step towards producing nanodevices for potential applications. This project aims t i) synthesize highly-oriented and uniform size one-dimensional nanomaterials by methods including laser ablation, chemical vapor deposition and thermal evaporation. ii) characterise the nanoscale materials by different techniques, such as scanning electron microscopy, transmission electron microscope with ultra-high spatial resolution, Raman spectrometer, X-ray diffraction, STM/AFM, field emission. iii) study the morphologies, growth mechanisms , chemical compositions, microstructures, electrical and optical properties of the nanoscale materials. iv) develop stable and functional nanostructural materials for various applications such as nano optoelectronic devices, electronic devices, sensors, field emission arrays, catalysts, etc. Supervisor: Prof S T Lee (apannale@cityu.edu.hk) Suitable for: M. Phil. /Ph.D. Number of students: up to 3.