Fabrication and Characterization of Three-Dimensional Macroscopic All-Carbon Scaffolds.
Fabrication and Characterization of Three-Dimensional Macroscopic All-Carbon Scaffolds.
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DOI：
10.1016/j.carbon.2012.10.035
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发表时间：
2013-03-01
期刊：
影响因子：
10.9
通讯作者：
Sitharaman, Balaji
中科院分区：
文献类型：
--
作者：
Lalwani, Gaurav;Kwaczala, Andrea Trinward;Kanakia, Shruti;Patel, Sunny C.;Judex, Stefan;Sitharaman, Balaji
我们报道了一种以多壁碳纳米管(MWCNTs)为原料制备宏观、三维、自由站立的全碳支架(多孔结构)的简单方法。通过自由基引发的热交联法和热处理法制备的多壁碳纳米管支架具有较大的连通孔，具有良好的结构完整性、稳定性和导电性。三维结构的孔隙率可以通过改变自由基引发剂的量来控制，从而允许针对特定潜在应用而量身定做的多孔支架的设计。这种方法还可以利用其他碳纳米材料如单壁碳纳米管、富勒烯和石墨烯来制备三维支架，这表明它可以作为一种通用的方法用于具有pi键网络的碳纳米结构的三维组装。
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.
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