Abstract
A mass of amorphous carbon nanotubes (ACNTs) have been synthesized by chemical vapor deposition of C2H2 directly on Fe76Si9B10P5 glassy alloy particles without the addition of an external catalyst at 550°C for 1h. The ACNTs is 1–5μm in length and 5–30nm in diameter and has a Brunauer–Emmett–Teller surface area of 81.4m2/g. Investigations on the ACNT growth process confirmed that the initial stage for appearance of isolated islands (α-Fe nanoparticles), which might be due to stress and surface breakup generated during high temperature CVD process, would be the decisive step for the ACNT growth.
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