Morphology control of three-dimensional carbon nanotube macrostructures fabricated using ice-templating method

Sang Hoon Park, Kwang Heon Kim, Kwang Chul Roh, Kwang Bum Kim

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

3-Dimensional (3D) carbon nanotube (CNT) macrostructures with controlled morphologies were prepared by the ice-templating method. In order to control the assembling of the CNTs into 3D macrostructures, we systematically investigated the parameters critical to the control of the morphology of the 3D CNT macrostructures formed using the ice-templating method. It was found that process parameters such as the initial characteristics of the CNT suspension and its freezing conditions significantly affected the morphologies of the resulting CNT macrostructures. By adjusting the initial characteristics of the suspension of CNTs and its freezing conditions, we could fabricate not only regular 3D CNT macrostructures that consisted of aligned lamellae but also those that had a cellular structure. This is the first instance well-aligned, cellular CNT macrostructures have been prepared using the ice-templating method. Our approach can be used to develop the ice-templating method as a technique for fabricating 3D pore- and structure-controlled CNT macrostructures.

Original languageEnglish
Pages (from-to)1289-1297
Number of pages9
JournalJournal of Porous Materials
Volume20
Issue number5
DOIs
Publication statusPublished - 2013 Oct 1

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Carbon Nanotubes
Ice
Carbon nanotubes
Freezing
Suspensions

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

Cite this

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abstract = "3-Dimensional (3D) carbon nanotube (CNT) macrostructures with controlled morphologies were prepared by the ice-templating method. In order to control the assembling of the CNTs into 3D macrostructures, we systematically investigated the parameters critical to the control of the morphology of the 3D CNT macrostructures formed using the ice-templating method. It was found that process parameters such as the initial characteristics of the CNT suspension and its freezing conditions significantly affected the morphologies of the resulting CNT macrostructures. By adjusting the initial characteristics of the suspension of CNTs and its freezing conditions, we could fabricate not only regular 3D CNT macrostructures that consisted of aligned lamellae but also those that had a cellular structure. This is the first instance well-aligned, cellular CNT macrostructures have been prepared using the ice-templating method. Our approach can be used to develop the ice-templating method as a technique for fabricating 3D pore- and structure-controlled CNT macrostructures.",
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Morphology control of three-dimensional carbon nanotube macrostructures fabricated using ice-templating method. / Park, Sang Hoon; Kim, Kwang Heon; Roh, Kwang Chul; Kim, Kwang Bum.

In: Journal of Porous Materials, Vol. 20, No. 5, 01.10.2013, p. 1289-1297.

Research output: Contribution to journalArticle

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