用常压化学气相沉积(APCVD)技术,在同一反应器中,不同温度下连续反应,依次进行碳纳米管阵列的制备、空气氧化净化和二氧化钛纳米颗粒的包覆,得到了外壁包覆二氧化钛纳米颗粒的阵列碳纳米管.用扫描电子显微镜、X射线能量色散谱、X射线衍射仪、透射电子显微镜对制得的样品进行表征.结果表明,碳纳米管外壁包覆的纳米二氧化钛平均粒径11.5nm. By atmospheric pressure chemical vapor deposition (APCVD) technology, in the same reactor, different temperatures, continuous reaction, followed by carbon nanotube array preparation, air oxidation purification and titanium dioxide nanoparticles coated, obtained outer wall coated with titanium dioxide nano The results showed that the average particle size of the nano-TiO2 covered by the outer wall of the carbon nanotube was 11.5 nm.