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Citation: JIANG Jin-Long, ZHANG Xia, DU Jin-Fang, WANG Qiong, DAI Jian-Feng, WEI Zhi-Qiang. Electrochemical Deposition and Field Emission Properties of Graphene/Diamond-Like Carbon Nanocomposite Films[J]. Acta Physico-Chimica Sinica, ;2016, 32(7): 1839-1843. doi: 10.3866/PKU.WHXB201604063 shu

Electrochemical Deposition and Field Emission Properties of Graphene/Diamond-Like Carbon Nanocomposite Films

Department of Applied Physics, School of Science, Lanzhou University of Technology, Lanzhou 730050, P. R. China

Received Date: 29 January 2016
Revised Date: 5 April 2016

Fund Project: The project was supported by the National Natural Science Foundation of China (51105186).

Graphene-doped diamond-like carbon(G/a-C:H) nanocomposite films were fabricated using a liquidphase electrochemical method. A nanocomposite film growth mechanism is proposed and discussed. The deposited films were characterized using scanning electron microscopy (SEM), Raman spectroscopy, transmission electron microscopy (TEM), and Fourier transform infrared (FTIR) spectroscopy. The results showed that graphene sheets were homogeneously dispersed in a hydrogenated amorphous carbon (a-C:H) matrix. The deposited G/a-C:H film surface was uniform and smooth. Field emission experiments showed that graphene doping slightly increased the turn-on field, from 4.7 to 5.8 V·μm^-1, and significantly improved the current density, from 384 to 876 μA·cm^-2.
- Diamond-like carbon film,
- Graphene,
- Electrodeposition,
- Field emission
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