碳纳米笼(CNC)的应用很广泛,但原始CNC具有金属核心,必须去除该核心才能得到空心CNC.采用氯化铵低温热处理原始CNC,再用水过滤得到空心产品.结果表明,这是一种很好的纯化方法.同时深入研究了该方法的机理,提出一种解释:氯化铵分解产物扩散进CNC后与金属核心反应,产物以气态形式扩散出CNC,最终消耗掉金属核心.
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