Aroused Problems in the Deposition of Diamond-like Carbon Films by Using the Liquid Phase Electrodeposition Technique

Abstract

Abstract: Hydrogenated diamond-like carbon (DLC) films were prepared by using a liquid phase electrodeposition technique. The effect of
applied potential and carbon sources on the deposition process and film structures were studied. The results show that the organic liquids with high dielectric constants, small
viscosities and the methyl group bonding to the polar group are appropriate carbon sources. The increasing potential can improve the formation of sp³carbon during the deposition
process. In a high electric field, organic molecules are polarized and react on the surface of the electrode, turning into DLC and other products. The authors believed that the reaction
follows a polarization-reaction mechanism.

Key words: DLC films, liquid electrodeposition, carbon source, mechanism

CLC Number:

O647

JIU Jin-Ting,FU Qiang,WANG Hao,ZHU He-Sun. Aroused Problems in the Deposition of Diamond-like Carbon Films by Using the Liquid Phase Electrodeposition Technique[J]. Journal of Inorganic Materials.

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