Geometric control and tuneable pore size distribution of buckypaper and buckydiscs

Raymond L D Whitby, Takahiro Fukuda, Toru Maekawa, Stuart L. James, Sergey V. Mikhalovsky

Research output: Contribution to journalArticle

117 Citations (Scopus)

Abstract

The fabrication of buckypaper from unfunctionalised multi-walled carbon nanotubes (MWCNTs) without the aid of surfactants or surface modification techniques is accomplished through a novel and quick frit compression method. The dimensions can be controlled through the size of the syringe housing and the through the mass of carbon nanotubes added. Their thicknesses are typically much larger than surfactant-cast buckypaper and range from 120 μm up to 650 μm; buckypaper with thicknesses larger than 500 μm we call buckydiscs. Buckypaper and buckydiscs are mechanically robust to handle, flexible, stable in solvents and possess larger porosities than Triton-X100 cast buckypaper. They also exhibit a memory effect when bending wetted samples, returning to their former geometry on drying. Buckypaper and buckydiscs were studied by mercury intrusion porosimetry to reveal a defined distribution of mesopores and small macropores that is, along with their density and apparent free volume, dependant on the casting solvent and therefore tuneable. Moreover, the frit compression system also allows control over the 3-dimensional geometry of the buckydiscs during the casting process.

Original languageEnglish
Pages (from-to)949-956
Number of pages8
JournalCarbon
Volume46
Issue number6
DOIs
Publication statusPublished - May 2008
Externally publishedYes

Fingerprint

Carbon Nanotubes
Surface-Active Agents
Pore size
Carbon nanotubes
Casting
Surface active agents
Syringes
Geometry
Free volume
Octoxynol
Mercury
Surface treatment
Drying
Compaction
Porosity
Data storage equipment
Fabrication

ASJC Scopus subject areas

  • Materials Chemistry

Cite this

Whitby, R. L. D., Fukuda, T., Maekawa, T., James, S. L., & Mikhalovsky, S. V. (2008). Geometric control and tuneable pore size distribution of buckypaper and buckydiscs. Carbon, 46(6), 949-956. https://doi.org/10.1016/j.carbon.2008.02.028

Geometric control and tuneable pore size distribution of buckypaper and buckydiscs. / Whitby, Raymond L D; Fukuda, Takahiro; Maekawa, Toru; James, Stuart L.; Mikhalovsky, Sergey V.

In: Carbon, Vol. 46, No. 6, 05.2008, p. 949-956.

Research output: Contribution to journalArticle

Whitby, RLD, Fukuda, T, Maekawa, T, James, SL & Mikhalovsky, SV 2008, 'Geometric control and tuneable pore size distribution of buckypaper and buckydiscs', Carbon, vol. 46, no. 6, pp. 949-956. https://doi.org/10.1016/j.carbon.2008.02.028
Whitby, Raymond L D ; Fukuda, Takahiro ; Maekawa, Toru ; James, Stuart L. ; Mikhalovsky, Sergey V. / Geometric control and tuneable pore size distribution of buckypaper and buckydiscs. In: Carbon. 2008 ; Vol. 46, No. 6. pp. 949-956.
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