Synthesis, Characterization and Morphology Variety of Carbon Micro-coils

Abstract

Abstract: Regular carbon micro-coils were obtained by a catalytic pyrolysis method with acetylene as a carbon resource and Ni as a catalyst and thiophene as a promotor. The morphology variety of carbon micro-coils which were obtained in different regions of the deposited furnace were examined in detail. Then, different reaction tubes were used to make the control experiments. The results of SEM, TEM, SAED and XRD show that the direction of gas current and the physical or chemical changes of catalyst grain cause the morphology variety of carbon micro-coils. Moreover, the structure, growth mechanism of carbon micro-coils and the effect of thiophene were discussed.

Key words: Carbon micro-coils, Helix, Morphology variety, Carbon fibers, Catalytic pyrolysis

CLC Number:

O612.4

TrendMD:

LI Wen-Jun, GUO Yan-Chuan, CHEN Li-Juan. Synthesis, Characterization and Morphology Variety of Carbon Micro-coils[J]. Chem. J. Chinese Universities, 2005, 26(9): 1589.

References

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