Improved crystallinity of double-walled carbon nanotubes after a high-temperature thermal annealing and their enhanced field emission properties

Engineering & Materials Science

• Field emission 93%
• Crystallinity 88%
• Carbon nanotubes 76%
• Annealing 72%
• Hot Temperature 34%
• Temperature 29%
• High resolution transmission electron microscopy 13%
• Defects 11%
• Raman spectroscopy 10%
• Purification 9%
• Thermogravimetric analysis 8%
• Vacuum 7%
• Catalysts 6%
• Scanning electron microscopy 6%
• Decomposition 5%

Chemical Compounds

• Double Walled Nanotube 100%
• Field Emission 72%
• Annealing 57%
• Crystallinity 55%
• Catalytic Decomposition 9%
• Vacuum 6%
• Raman Spectroscopy 6%
• Thermogravimetric Analysis 5%
• Purification 5%
• Scanning Electron Microscopy 4%
• Catalyst 3%

Physics & Astronomy

• field emission 66%
• crystallinity 64%
• carbon nanotubes 62%
• annealing 43%
• purification 9%
• defects 8%
• catalysts 7%
• performance 7%
• purity 6%
• Raman spectroscopy 6%
• decomposition 6%
• transmission electron microscopy 5%
• scanning electron microscopy 5%
• vacuum 5%
• thresholds 4%
• high resolution 4%