| 초록 |
Carbonnanotube (CNTs) has attracted much attention due to its special characteristics, such as large surface area, mechanical strength, electric conductivity, resistance to acid/basic media, etc. Pt nano particles were deposited on CNTs by chemical vapor deposition (CVD). Before Pt deposition, CNTs sample was pretreated by using HCl and the mixed acid of HNO3 and H2SO4 for the enhancement of surface wettability and modification of the surface structures. As a result of CVD, the size of Pt nano particles was from 1 nm to 2 nm. The surface of Pt/MWNT catalyst was characterized by using HR-TEM, SEM, CO chemisorption. |
