碳纳米管, 多壁式, 羧酸官能化, 石墨化, Carbon nanotubes, multi-walled, carboxylic acid functionalized, graphitized

碳纳米管, 双壁式, 羟基官能化, Carbon nanotubes, double-walled, hydroxy functionalized

碳纳米管, 多壁式, Carbon nanotubes, multi-walled