新型炭材料2017，Vol.32Issue(3)：234-241,8.DOI:10.1016/S1872-5805(17)60120-3
改进浮动催化化学气相沉积法制备直径可控的多壁碳纳米管
Preparation of diameter-controlled multi-wall carbon nanotubes by an improved floating-catalyst chemical vapor deposition method
摘要
Abstract
Multi-wall carbon nanotubes (MWCNTs) with controlled diameters were synthesized by an improved-floating catalyst chemical vapor deposition method, using toluene and ferrocene as a carbon source and catalyst precursor, respectively.Ferrocene was sublimed in a heater and carried as a gas mixed with toluene vapor into a reactor where MWCNTs were formed.The effects of the sublimation temperature, hydrogen content in the gas mixture and gas flow rate on the diameter and diameter distribution of the CNTs formed were investigated.Results indicated that the CNT diameter distributions could be controlled by changing the sublimation temperature.The higher the sublimation temperature, the narrower the distribution of CNT diameters.The average CNT diameter decreased and levelled off with increasing hydrogen content in the gas mixture from 0 to 40 vol%.The CNT diameter decreased with increasing gas flow rate.关键词
改良的浮动催化化学气相沉积法/多壁碳纳米管/甲苯/二茂铁Key words
Improved floating catalytic chemical vapor deposition/Multi-walled carbon nanotubes/Toluene/Ferrocene分类
化学化工引用本文复制引用
李亚娟,马昌,康建立,史景利,石强,伍大恒..改进浮动催化化学气相沉积法制备直径可控的多壁碳纳米管[J].新型炭材料,2017,32(3):234-241,8.基金项目
天津市应用基础与前沿技术研究计划(4JCYBJC20900) （4JCYBJC20900）
天津市自然科学基金(16JCQNJC06300) （16JCQNJC06300）
国家自然科学基金(51502201).Tianjin Research Program of Application Foundation and Advanced Technology (4JCYBJC20900) （51502201）
Natural Science Foundation of Tianjin Province(16JCQNJC06300) （16JCQNJC06300）
National Natural Science Foundation of China(51502201). （51502201）
