Jen-Cheng Wang, Fang-Ching Cheng, Yu-Ting Liang, Hung-Ing Chen, Chung-Yuan Tsai, Chia-Hui Fang and Tzer-En Nee*
* Corresponding author: Tzer-En Nee neete@mail.cgu.edu.tw
Nanoscale Research Letters 2012, 7:270 doi:10.1186/1556-276X-7-270