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Simultaneous growth of three-dimensional carbon nanotubes and ultrathin graphite networks on copper.


ABSTRACT: A new way to simultaneously grow carbon nanotubes (CNTs) and ultrathin graphite on copper (Cu) foils has been investigated. This one-step growth process yields three-dimensional networks of CNTs on graphitic layers (3D CNTs/G) on Cu foils. Their synthesis conditions and growth mechanism are discussed in detail taking their structural properties into account. Individual CNTs and the 3D CNTs/G networks by means of an in-situ conductive atomic force microscope inside a scanning electron microscope are electrically characterized. Time-resolved photoluminescence demonstrated fast charge transfer and high carrier collection efficiency superior to two-dimensional ultrathin graphite only. Their facile and tunable growth and excellent electrical properties show that the 3D CNTs/G are strongly attractive for various applications such as solar cells, sensors, supercapacitors, photovoltaics, power generation, and optoelectronics.

SUBMITTER: Jang LW 

PROVIDER: S-EPMC6713782 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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Simultaneous growth of three-dimensional carbon nanotubes and ultrathin graphite networks on copper.

Jang Lee-Woon LW   Shim Jaeho J   Son Dong Ick DI   Cho Hyunjin H   Zhang Luman L   Zhang Jie J   Menghini Mariela M   Locquet Jean-Pierre JP   Seo Jin Won JW  

Scientific reports 20190828 1


A new way to simultaneously grow carbon nanotubes (CNTs) and ultrathin graphite on copper (Cu) foils has been investigated. This one-step growth process yields three-dimensional networks of CNTs on graphitic layers (3D CNTs/G) on Cu foils. Their synthesis conditions and growth mechanism are discussed in detail taking their structural properties into account. Individual CNTs and the 3D CNTs/G networks by means of an in-situ conductive atomic force microscope inside a scanning electron microscope  ...[more]

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