Fabrication of CNTs/TiO2 Nanocomposite via Modified Chemical Vapor Deposition Method for Acetone Removal from Air Sterams

• Main Authors: Yi-Hua Yeh, 葉益華
• Other Authors: 盧重興
• Format: Others
• Language: zh-TW
• Published: 2008
• Online Access: http://ndltd.ncl.edu.tw/handle/02312369372250988765

碩士 === 國立中興大學 === 環境工程學系所 === 96 === In this study student try to combine the advantage of carbon nanotubes (CNTs) and titanium dioxide (TiO2) by chemical vapor deposition (CVD)and to obtain the optimum nanophotocatalyst composite preparation procedure. And to study the characterization properties of nanocomposites with various CNTs containing ratios of 0~50%.From the transmission electron microscopy (TEM) images displayed that the TiO2 particles were uniformly coated on the CNTs surface and the CNTs appear in the composite can make the TiO2 particles well disperse. The X-ray diffraction (XRD) analysis showed that the TiO2 on CNTs surface was Anatase crystallize phase. The TGA results showed that the gasification temperature of CNTs is about 480oC. After the calcinations at 800oC, the CNTs had residue about 41% and the nanocomposites still had 80%. The 31%-CNTs/TiO2 nanocomposites show the best performance for degrading acetone vapor from air streams. When the thickness of the CNTs/TiO2 nanocomposite is 15.56