What is it about?
Aligned PA thin films consisting of fibrils about 100 nm in diameter were carbonized at 1000℃ in an Ar gas. A black char 20 % in weight of the PA film was obtained. A lot of carbon nanorods 10 nm in width was observed in the char, reflecting fibrous structure in the aligned PA films. The nanorods were graphitized by heattreatments at higher temperatures.
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Why is it important?
Aligned carbon nanorods in the char reflects the structure of the oriented fibrils in the film.
Perspectives
Polyacetylene fibrils are able to transform into graphitic nanorods.
Dr Mutsumasa Kyotani
Read the Original
This page is a summary of: Structural properties of carbon prepared from aligned polyacetylene thin films, Synthetic Metals, July 2007, Elsevier,
DOI: 10.1016/j.synthmet.2007.06.003.
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