Studies of Photoluminescence Behavior for Carbon Nanotube with Ru/Fe Nanoparticle Enclosed

• Main Authors: Chun-chia Huang, 黃俊嘉
• Other Authors: Huy-Zu Cheng
• Format: Others
• Language: zh-TW
• Published: 2005
• Online Access: http://ndltd.ncl.edu.tw/handle/91497875967890674551

碩士 === 義守大學 === 材料科學與工程學系碩士班 === 93 === The study synthesizes substrate of silica contain iron/ruthenium catalyst through sol-gel method. In the other way deposition the iron,ruthenium and iron/ruthenium alloy as catalyst on the silicon substrate by DC-sputter. And synthesis carbon nanotubes (CNTs) by chemical vapor deposition (CVD) used acetylene and methane as carbon source. By using the catalyst contain in the carbon nanotube also adds on ruthenium to have photoluminescence phenomenon, to observe the photoluminescence of carbon nanotube contain ruthenium catalyst with different reaction temperature and concentration. The X-ray diffraction is used to analysis structure of the catalyst substrate. The scanning electronic microscope (SEM) is used to investigate the morphology of CNTs and the transition electronic microscope (TEM) is used to analysis the microstructure of carbon nanotube and catalysts. The photoluminescence of the carbon nanotube is measured by the Fluorescence spectrum. The results shows that the catalyst containing inside the carbon nanotube by the ruthenium silicide and iron silicate composition. As the carbon nanotube increase then the iron catalyst content increase. And the NSRRC 17A1 X-ray diffraction results shows as the ruthenium carbide and silicon carbide structure contain inside the silica substrate after high temperature reaction. The exist of the ruthenium carbide inside the silica substrate is proved ruthenium can reaction with the carbon. The fluorescence emission shows at the 400 nm of the pure ruthenium silica substrate. As the carbon nanotube was synthesis into the ruthenium/iron silica substrate there is 25 nm red shift happened.