【Nanoscience and Nanotechnology Letters】Effects of Growth Temperature on Carbon Nanotube Forests Synthesized by Water-Assisted Chemical Vapor Deposition
writer：Zhao Bin; Liang Youxuan; Jiang Chuan; Li Jianqiang; Yang Junhe
keywords：CNT, CVD, Growth temperature
source：期刊
specific source：Nanoscience and Nanotechnology Letters, 2014, 6: 488-492.
Issue time：2014年
Carbon nanotube (CNT) forests were synthesized at various temperatures between 805–830 °C by water-assisted chemical vapor deposition (CVD). The height and the yield of CNT forests increased about 3 times as the temperature rose, while the crystallinity improved slightly, which suggests that relatively high growth temperature was desirable for efficient growth of high-quality CNTs. Investigation on growth curves revealed that the CNTs grew faster as the temperature increased, but the catalyst lifetime first showed a notable increase, then a decrease. Effects of the temperature on the growth kinetics were interpreted in terms of heat history of carbon feedstock and evolution of the catalyst morphology.