Haisheng Qian et al 2006 Nanotechnology 17 5995 doi:10.1088/0957-4484/17/24/015
Haisheng Qian1, Shu-Hong Yu1,3, Lei Ren2, Yipeng Yang1 and Wei Zhang1
Show affiliationsUniform carbon@silica nanocables and silica nanotubes with well-controlled inner diameters can be synthesized in an easy way by a sacrificial templating method. This was performed using carbon nanofibres as hard templates that were synthesized previously by a hydrothermal carbonization process. Silica nanotubes with well-controlled inner diameters were synthesized from carbon@silica core–shell nanostructures by removal of the core carbon component. The inner diameters of the as-prepared silica nanotubes can be well controlled from several nanometres to hundreds of nanometres by adjusting the diameters of the carbon nanofibres. The silica nanotubes synthesized by this method display strong photoluminescence in ultraviolet at room temperature. Such uniform silica nanotubes might find potential applications in many fields such as encapsulation, catalysis, chemical/biological separation, and sensing.
81.16.Be Chemical synthesis methods
Issue 24 (28 December 2006)
Received 5 August 2006, in final form 8 October 2006
Published 22 November 2006
Haisheng Qian et al 2006 Nanotechnology 17 5995
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