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The surface characteristics of carbon nanoparticles produced via submerged arc discharge in ethanol/water

机译：乙醇/水中埋弧放电制备碳纳米颗粒的表面特性

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Various techniques can produce carbon nanoparticles (CNPs). Considering the simplicity of the production method-as well as desires for fewer impurities, lower capital costs, and higher yields-this study developed a submerged arc discharge method to synthesize CNPs in a liquid medium of ethanol and water. The synthesis process was carried out by passing a 30A (-30V) electrical current from the cathode to the anode, which had been set with a narrow gap between them and placed in the liquid medium. After arc discharge, the liquid medium, which was initially a clear solution, became black, indicating the formation of CNPs. The CNPs collected after the arc discharge were characterized by Fourier Transform Infrared (FTIR) spectroscopy. The FTIR spectrum of the resultant CNPs showed a pattern with more peaks-e.g., at the 3400 cm~(-1) and 1500-1600 cm~(-1) wavenumbers-corresponding to the hydroxy groups and to carbon-carbon (C-C) stretching from the aromatic ring, respectively.
机译：各种技术可以制备碳纳米颗粒（CNPs）。考虑到生产方法的简单性以及对杂质更少、资本成本更低和产率更高的要求，本研究开发了一种在乙醇和水的液体介质中合成CNP的埋弧放电方法。合成过程是通过将30A（-30V）的电流从阴极传递到阳极来进行的，阳极与阴极之间设置了一个狭窄的间隙，并放置在液体介质中。电弧放电后，最初为透明溶液的液体介质变黑，表明CNPs的形成。用傅里叶变换红外光谱（FTIR）对电弧放电后收集的CNP进行了表征。合成的CNP的FTIR光谱显示出一种具有更多峰的模式，例如，分别在3400 cm-1和1500-1600 cm-1波数处，对应于羟基和从芳香环延伸的碳-碳（C-C）。

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