采用氮等离子体对活性炭纤维(ACF)进行表面改性,通过扫描电子显微镜(SEM)、傅立叶变换红外光谱(FT-IR)、X射线光电子能谱分析(XPS)和结晶紫溶液降解实验等方法,研究了等离子体对ACF的表面形貌、化学成分和吸附性能的影响.SEM显示:氮等离子体对于放电区和余辉区ACF刻蚀作用不同.XPS表明:等离子体改性后,放电区、余辉区60 cm处ACF表面的羰基含量由未改性ACF的82.69%下降到37.16%和53.09%;放电区、余辉区60 cm处ACF表面的羧基含量由未改性AGF的0增加到29.39%和31.17%.等离子体改性提高了放电区、余辉区60 cm处ACF对结晶紫溶液的吸附性能.
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