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The effects of H_2O to synthesizing SWCNTs by decomposing CH_4 in Ar at 800℃ were studied by TEM and Raman scattering. It is shown that the water induced into the reacting gas (the relative humidity is about 5% at room temperature) increased the percentage composition of the SWCNTs in products. Preliminary analyses indicate that the water is involved in the purification course of the SWCNTs.
The effects of H_2O to synthesizing SWCNTs by decomposing CH_4 in Ar at 800 ℃ were studied by TEM and Raman scattering. It is shown that the water induced into the reacting gas (the relative humidity is about 5% at room temperature) increased the percentage composition of the SWCNTs in products. Preliminary analyzes indicate that the water is involved in the purification course of the SWCNTs.