在纯化过程中超声时间和离心速度对SWNTs样品纯度的影响

The Influence of Ultrasonic Time and Centrifugal Speed on the Purity of Sample in SWNTs Purification Process

单层碳纳米管在它的纯化过程中,超声时间和离心速度对它的纯化效果有着显著的影响.从实验得到,样品在超声时间为30min,离心速度为12000r/min时得到的样品的纯度较高,为93%.本文主要通过近红外对其影响因素进行表征.

Centrifugal spell and ultrasonic time notably affect the SWNTs purification. A high purity of 93% can be obtained at ultrasonic time of 30 min and centrifugal speed of 12000r/min. The influence of centrifugal speed and ultrasonic time on purification was studied using UV- VIS NIR in this paper.