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access icon free Synthesis of carbon nanostructures from coal by chemical solid synthesis method

Carbon nanofibres (CNFs) and carbon spheres (CSs) are successfully synthesised using coal particles (<44 micron) in solid phase. Coal and ferrocene as catalyst were fed to the reactor in the solid form. The reaction is carried out in a tubular reactor. The as-synthesised samples have been characterised through Raman spectroscopy, X-ray diffraction, scanning and transmission electron microscopy. The results show CNFs formed in 25–40 nm and mono dispersed CSs in 200–300 nm are amorphous. A feasible mechanism of CNFs and CSs formation from coal described here with the help of coal structure.

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http://iet.metastore.ingenta.com/content/journals/10.1049/mnl.2016.0089
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