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  • Fabrication and Characterization of Three-Dimensional Macroscopic All-Carbon Scaffolds.

Fabrication and Characterization of Three-Dimensional Macroscopic All-Carbon Scaffolds.

Carbon (2013-02-26)
Gaurav Lalwani, Andrea Trinward Kwaczala, Shruti Kanakia, Sunny C Patel, Stefan Judex, Balaji Sitharaman
PMID23436939
ABSTRACT

We report a simple method to fabricate macroscopic, 3-D, free standing, all-carbon scaffolds (porous structures) using multiwalled carbon nanotubes (MWCNTs) as the starting materials. The scaffolds prepared by radical initiated thermal crosslinking, and annealing of MWCNTs possess macroscale interconnected pores, robust structural integrity, stability, and conductivity. The porosity of the three-dimensional structure can be controlled by varying the amount of radical initiator, thereby allowing the design of porous scaffolds tailored towards specific potential applications. This method also allows the fabrication of 3-D scaffolds using other carbon nanomaterials such as single-walled carbon nanotubes, fullerenes, and graphene indicating that it could be used as a versatile method for 3-D assembly of carbon nanostructures with pi bond networks.