Abstract

Diamond-like carbon (DLC) and carbon nitride (CN x ) films have been simultaneously prepared on the cathode and the anode in the electrodeposition of an acetonitrile liquid at atmospheric pressure and temperatures below 80°C. The deposits were analyzed by X-ray photoelectron spectroscopy, Raman spectroscopy and X-ray diffraction. The deposits on the cathode were amorphous DLC films consisting of sp 2 and sp 3 carbon, while the deposits on the anode were CN x films in which the N/C ratio was about 0.25. The mixed phases of α-C 3N 4 and β-C 3N 4 may exist in the CN x films. The related reaction mechanism is also discussed in this Letter.

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