期刊
MOLECULAR CRYSTALS AND LIQUID CRYSTALS
卷 663, 期 1, 页码 115-123出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/15421406.2018.1468645
关键词
Atmospheric pressure plasma; carbon nanoparticle; plasma spray method; solution plasma; sucrose; sugar cane
资金
- National Research Foundation of Korea (NRF) - Korea government (MSIP) [2017R1A4A1015565]
- National Research Foundation of Korea [2017R1A4A1015565] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This work presents a deposition of carbon thin films on the substrate from sucrose-containing-carbon source, that is, sugar, by using the two different plasma processes; one process is that the carbon particles are obtained from the sugar in the stable solution plasma reactor with external resistor, and the other process is that the carbon thin films are deposited on the substrate from the carbon particles obtained from sugar by using the atmospheric pressure plasma (APP) spray method. The carbon particles are obtained at a bipolar pulse waveform with a peak value of 1.5kV and a frequency of 5kHz under solution plasma, whereas the carbon thin films are deposited at a sinusoidal pulse waveform with a peak value of 12.5kV and a frequency of 33kHz under the APP spray method. Voltage probe, discharge current, and optical emission spectrometer (OES) techniques are used to analyze the plasma produced from the solution plasma reactor. Field emission scanning electron microscopy (FE-SEM) and ultraviolet-visible (UV-vis) spectroscopy techniques are used to analyze the carbon particles. FE-SEM results show that carbon materials from sucrose have a few ten to hundred nanometer size nanoparticles characteristics. The UV-vis and OES analyses show the characteristic graphene peaks with evidence that carbon sources from sucrose are broken due to discharge energy. This study contributes to a better understanding on the new synthesis method of carbon materials from renewable resource with low-cost, i.e. sugar cane.
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