http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Nasreddine Hfayedh,Wassila Saidi,Mohamed Haouari,C ecile Autret-Lambert,Sylvain Roger,Adel Megriche,Mohamed El Maaoui 한국물리학회 2016 Current Applied Physics Vol.16 No.10
Titanate nanotubes were synthesized via hydrothermal treatment of rutile TiO2. The reaction conditions were: particles sizes of TiO2 having diameter between 0.05 and 0.5 mm, 10 M NaOH solution and a temperature of 150 C. The effect of reaction time on the morphology and the crystalline structure were investigated by X-ray diffraction (XRD), Raman spectroscopy and High Resolution Transmission Electron Microscopy (HRTEM). Results showed that the reaction products are composed of nanotubes having 3, 4 and 5 layers. All the three forms coexist together in each sample with different fractions. The number of layers of the major form increases from 3 to 5 layers when reaction time increases from 12 to 120 h. At the same time, internal and external diameters vary from 3 nm to 5 nm and from 7 nm to 11 nm respectively. Deformation of nanotubes as well as nanotubes assembling and the formation of nanoribbons appear clearly for high reaction times (120 h).