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Immobilization of carbon nanotubes on functionalized graphene film grown by chemical vapor deposition and characterization of the hybrid material

机译：通过化学气相沉积和杂化材料表征将碳纳米管固定在功能化石墨烯薄膜上

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摘要

We report the surface functionalization of graphene films grown by chemical vapor deposition and fabrication of a hybrid material combining multi-walled carbon nanotubes and graphene (CNT–G). Amine-terminated self-assembled monolayers were prepared on graphene by the UV-modification of oxidized groups introduced onto the film surface. Amine-termination led to effective interaction with functionalized CNTs to assemble a CNT–G hybrid through covalent bonding. Characterization clearly showed no defects of the graphene film after the immobilization reaction with CNT. In addition, the hybrid graphene material revealed a distinctive CNT–G structure and p–n type electrical properties. The introduction of functional groups on the graphene film surface and fabrication of CNT–G hybrids with the present technique could provide an efficient, novel route to device fabrication.
机译：我们报告了通过化学气相沉积和结合多壁碳纳米管和石墨烯（CNT-G）的混合材料的制造而生长的石墨烯薄膜的表面功能化。通过对引入薄膜表面的氧化基团进行紫外线修饰，可以在石墨烯上制备氨基末端的自组装单分子膜。胺的终止导致与官能化CNT的有效相互作用，从而通过共价键组装成CNT-G杂化物。与CNT的固定化反应后，表征清楚地表明没有石墨烯膜的缺陷。此外，杂化石墨烯材料显示出独特的CNT-G结构和p-n型电性能。用本技术在石墨烯薄膜表面上引入官能团和制造CNT-G杂化物可以为器件制造提供有效，新颖的途径。

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