Dawei Di*, Ivan Perez-Wurfl, Angus Gentle, Dong-Ho Kim, Xiaojing Hao, Lei Shi, Gavin Conibeer and Martin A Green
* Corresponding author: Dawei Di dawei.di@unsw.edu.au
Nanoscale Research Letters 2010, 5:1762-1767 doi:10.1007/s11671-010-9707-x