Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 111, Issue 3, Pages 1230-1233Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp066052d
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In this article, using an atom transfer radical polymerization approach, for the first time polystyrene (PS) and polymethyl methacrylate (PMMA) were grafted covalently on boron nitride nanotubes (BNNTs). Then, a technique was developed to fabricate novel amorphous or graphitic carbon-BNNTs composites with a perfect physical contact between the two phases using the polymer-functionalized BNNTs. BNNTs-carbon-balls composite structures were first successfully fabricated. Other experimental route revealed that a C-BN compound nanotubular nanostructure can be fabricated by using polyvinyl pyrrolidone wrapped BNNTs as an effective precursor, which possess well-defined composition variations and a clear interface between the carbon and BN tubular fragments. The obtained polymer-functionalized BNNTs and carbon-BNNTs composites are useful for the mechanical enhancement of polymeric matrixes and in various electrochemical devices.
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