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Nanomaterials 2019, 9(4), 628;

Preparation, Characterization, and Performance Control of Nanographitic Films

School of Mathematics and physics, Jingchu University of Technology, Jingmen 448000, China
State Key Lab Precis Measurement Technology & Instrument, Tsinghua University, Beijing 100084, China
Author to whom correspondence should be addressed.
Received: 5 March 2019 / Revised: 9 April 2019 / Accepted: 10 April 2019 / Published: 17 April 2019
PDF [1207 KB, uploaded 17 April 2019]


Using methane as a carbon source, low-dimensional carbon nanomaterials were obtained in this work. The films were deposited directly on glass substrates by radio frequency plasma-enhanced chemical vapor deposition (RF-PECVD). The configuration and compositions of this nanographite films were identified by X-ray photoelectron spectroscopy (XPS) as carbon in sp2 bonding form. Raman spectral characterization verified the configuration of the films to be hexatomic ring of carbon atoms. As a result, they were found to be nanographite films (NGFs). Also, the atomic force microscopy (AFM) topography and Raman spectra of different areas demonstrated the diversity of the films at the nano scale. The high light-transmitting and electron mobility indicated that the NGFs possessed excellent optic-electronic properties and could be used as good photoelectrical function materials. Furthermore, the physical and chemical growth mechanism of NGFs were analyzed by PECVD. NGFs could be obtained in a controlled process by modulating the growth conditions. In this work, the complicated transfer process commonly used for optoelectronic devices could be avoided. Also, by growing the films directly on a glass substrate, the quality degradation of the film was not a problem. This work can further promote the development of next-generation electronic or optoelectronic function materials, especially for their application in transparent conductive electrode fields.
Keywords: nanographitic films; PECVD; growth mechanism; optoelectronic property. nanographitic films; PECVD; growth mechanism; optoelectronic property.
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Chen, S.; Jiang, Q.; Chen, Y.; Feng, L.; Wu, D. Preparation, Characterization, and Performance Control of Nanographitic Films. Nanomaterials 2019, 9, 628.

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