Ethanol Gas Sensors Composed of Carbon Nanotubes with Adsorbed Gold Nanoparticles

1 Department of Electronic Engineering, National Formosa University, Yunlin 632, Taiwan 2 Institute of Microelectronics & Department of Electrical Engineering, Center for Micro/Nano Science and Technology, Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan 701, Taiwan 3 Department of Electronic Engineering and Institute of Electronic & Optoelectronic Engineering, National Yunlin University of Science and Technology, Douliou 64002, Taiwan * E-mail: shengjoueyoung@gmail.com