Fabrication of nanoporous carbon by electrical transformation of amorphous carbon nanospheres

被引：4

作者：

Briston, K. J. ^{[1
]}

Martin, J-M ^{[2
]}

Heau, C. ^{[3
]}

Martin, M. ^{[3
]}

Inkson, B. J. ^{[1
]}

机构：

[1] Univ Sheffield, Dept Mat Sci & Engn, NanoLAB Ctr, Sheffield, S Yorkshire, England

[2] Ecole Cent Lyon, LTDS, Ecully, France

[3] HEF R&D, Andrezieux Boutheon, France

来源：

NANOTECHNOLOGY | 2012年 / 23卷 / 48期

基金：

英国工程与自然科学研究理事会;

关键词：

CARBIDE-DERIVED CARBON; TITANIUM CARBIDE; ELECTROCHEMICAL CAPACITOR; PLATINUM PARTICLES; SILICON CARBIDE; GRAPHITIZATION; CHLORINATION; SPHERES; PERFORMANCE; MICROSCOPY;

D O I：

10.1088/0957-4484/23/48/485602

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Nanoporous carbon nanospheres <150 nm in diameter have been fabricated for the first time by the transformation of amorphous carbon nanospheres under Joule heating. The process, initiated by current densities of 1.5-8 x 10(10) A m(-2), has been imaged in real time in situ in a transmission electron microscope. Significant atomic diffusion and carbon ordering results in the formation of a 3D network of buckled graphitic sheets bounding interlinked <5 nm diameter pores, with greatly enhanced conductivity. Porous carbon nanospheres offer new opportunities for biocompatible drug delivery, catalysis and energy storage.

引用

页数：8

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