对Y型纳米碳管的形貌和超微观结构进行了SEM、HRTEM和XRD分析,并着重测试了其光学性能.结果表明,碳管内包裹Fe纳米微粒,管径分布在50～60nm之间;纳米碳管呈Y型是由于管内催化剂的粒度不均,使之在生长过程中产生分支;首次报道了产物的发光性能,认为其在红光范围内存在荧光效应.
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