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论文类型：期刊论文

发表时间：2013-05-01

发表刊物：JOURNAL OF MATERIALS SCIENCE

收录刊物：SCIE、EI

卷号：48

期号：9

页面范围：3505-3510

ISSN号：0022-2461

摘要：Carbon films were prepared on both anode and cathode electrode using methanol as carbon source and their growth mechanisms were discussed. In the cathodic reaction, methyls and hydrogen atoms are dominant reactive species. Hydrogen atoms are believed to play a key role in improving growth rate and stabilizing sp(3) phase. For the anodic deposition, OH groups can be easily captured on the anode and make oxygen elements inevitable exist in the films. Raman studies indicate that the G peak for carbon films grew on the anode shift to lower wavenumber.