1. Department of Chemical and Materials Engineering; National University of Kaohsiung; Kaohsiung 811 Taiwan Republic of China
2. Department of Applied Chemistry; National University of Kaohsiung; Kaohsiung 811 Taiwan Republic of China
3. Department of Electronic Engineering; Cheng Shiu University; Kaohsiung 833 Taiwan Republic of China
4. Department of Chemical and Materials Engineering; National Kaohsiung University of Applied Sciences; Kaohsiung 807 Taiwan Republic of China