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Fabrication of a composite structure of three-dimensional macroporous silica and carbon nanofilaments

机译:三维大孔二氧化硅与碳纳米丝复合结构的制备

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摘要

We explored the possibility of incorporating carbon nanotubes in a patterned and macroporous silica structure replicated from a thin polystyrene template. A V-shaped thin, vertical channel was constructed and successfully used to assemble 10.06-mu m polystyrene spheres into a dense three-dimensionally ordered template of uniform thickness. Infiltration of a single Co/silica precursor sol into the template followed by thermal treatments in vacuum and H-2 produced three-dimensionally ordered silica pores with embedded Co nanoparticles. Wormlike carbon nanofilaments of 50-120 nm in diameter were grown on the inner surface of silica pores with plasma-enhanced chemical vapor deposition.
机译:我们探索了将碳纳米管并入从薄聚苯乙烯模板复制的图案化和大孔二氧化硅结构中的可能性。构建了一个V形的薄垂直通道,并成功地将10.06微米的聚苯乙烯球组装成一个厚度均匀的密集的三维有序模板。将单一的Co /二氧化硅前体溶胶渗透到模板中,然后在真空和H-2中进行热处理,产生带有嵌入的Co纳米粒子的三维有序二氧化硅孔。直径为50-120 nm的蠕虫状碳纳米丝通过等离子体增强化学气相沉积法生长在二氧化硅孔的内表面。

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