以二种中国煤为原料,用射频等离子体法制备洋葱状富勒烯(Onion-like Fullerenes:OLFs),就压力对产物的影响进行了讨论.OLFs的表征采用高分辨透射电镜(HRTEM)和X射线衍射(XRD)等技术.结果表明:在其它工艺条件相同的情况下,压力为30Pa适合OLFs生长;实验所用煤均可大量制备OLFs,纯度较高,为OLFs的制备开拓了廉价生产的新途径.
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