摘要
采用浓硫酸和浓硝酸混合液处理CNTs,然后测量其在水中的沉降率分析其分散性,用红外光谱法表征了CNTs的结构,采用差示扫描量热法(DSC)分析热稳定性的变化。经处理后CNTs在水中的分散性能显著提高,但是其热稳定性却相对降低了。
Carbon nanotubes （CNTs） were treated by mixture liquids of concentrated sulfuric acid and concertrated nitric acid,sedimentation rate and dispersibility of which were determined and analyzed in water,the structures of CNTs were characterized by infrared spectroscopy. The charge of thermostability of CNTs was analyzed by differential scanning calorimetry （DSC）. The dispersibility of treated CNTs in water was significantly improved,but thermal stability decreased.
出处
《光谱实验室》
CAS
CSCD
2012年第6期3856-3858,共3页
Chinese Journal of Spectroscopy Laboratory
关键词
碳纳米管
氧化
分散性
热稳定性
Carbon Nanotubes
Oxidation
Dispersibility
Thermal Stability
