Wen-Shou Tseng, Chyuan-Yow Tseng and Cheng-Tzu Kuo*
* Corresponding author: Cheng-Tzu Kuo marine.mse92g@g2.nctu.edu.tw
Nanoscale Research Letters 2008, 4:234-239 doi:10.1007/s11671-008-9231-4