北京大学化学学院：《化学纳米材料》（英文版）STM image of a single-walled carbon nanotube

STM image of a single-walled carbon nanotube

STM image of a single-walled carbon nanotube

5.00 2.50 5.D0 AFM image of SWNTs and swnt bundles

AFM image of SWNTs and SWNT bundles

Methods for Preparation of SWNTs Arc-Charge Laser ablation Chemical vapor deposition

Methods for Preparation of SWNTs • Arc-Charge • Laser Ablation • Chemical Vapor Deposition

Nd: YAG Laser C target(2% Ni: C o): Cold-finger as collector 1200C Furnace Laser ablation

1200C Furnace Nd: YAG Laser 500 torr Ar C target (2% Ni:Co) Cold finger as collector Laser Ablation

N catalyst F eea gas 下 w 1200C Furnace Feed Stock Gas. CO. CH. etc Catalyst Fe Mo Ni Co etc Temperature 700-1100%C Chemical vapor deposition

1200C Furnace catalyst Feed gas FeedStock Gas: CO, CH4, etc. Catalyst: Fe, Mo, Ni, Co etc. Temperature: 700 – 1100 ºC Chemical Vapor Deposition

Laser method Arc method CVD Method

Laser Method Arc Method CVD Method

Schematic show of the growth mechanism of swnt by cvd

Schematic show of the growth mechanism of SWNT by CVD

Deposition of carbon Schematic show of the growth mechanism of swnt by cvd

Deposition of carbon Schematic show of the growth mechanism of SWNT by CVD

Deposition of carbon Schematic show of the growth mechanism of swnt by cvd

Deposition of carbon Schematic show of the growth mechanism of SWNT by CVD

Deposition of carbon Carbon getting Saturated Schematic show of the growth mechanism of swnt by cvd

Deposition of carbon Carbon getting Saturated Schematic show of the growth mechanism of SWNT by CVD