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将碳纳米管放入浓硫酸和浓硝酸(3∶1)的混合溶液中,通过长时间超声处理剪切碳纳米管,TEM观测确认,碳纳米管被剪断,长度由1μm以上减小到300nm以下。
The carbon nanotubes were placed in a mixed solution of concentrated sulfuric acid and concentrated nitric acid (3: 1), and the carbon nanotubes were sheared by sonication for a long time. TEM observation confirmed that the length of the carbon nanotubes was reduced from 1 μm to 300 nm the following.