Preliminary study on the preparation of graphene from coke with a combined chemical and physical routine

Minmin Sun, Jianliang Zhang, Minghao Li, W. Xiong, Kejiang Li, Hongtao Li
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引用次数: 2

Abstract

As a revolutionary material with optical, electrical and mechanical properties, graphene has high production costs in terms of materials science, micro-nano processing, energy, biomedicine and drug delivery. To explore the low-cost materials for the synthesis of carbon nanomaterials, a method for the affordable and facile fabrication by metallurgical coke fine was demonstrated. The demineralized coke ultrafine powder (< 10 µm) was oxidized, and then treated with a combination of thermal exfoliation and solvent exfoliation. The resulting carbon powder were characterized with microscopic morphology, the defects and type of carbon and the carbon structural order by Transmission Electron Microscopy (TEM), Fourier Transform Infrared Spectroscopy (FTIR), X-ray Photoemission Spectroscopy (XPS), Raman Spectroscopy and X-ray Diffraction (XRD). The graphene prepared by chemical-physical routine with demineralized metallurgical coke superfine powder exhibits similar characteristics to those prepared by graphite traditionally, which provides an economical and environmentally friendly method for the preparation of graphene materials.
化学与物理相结合法制备焦炭石墨烯的初步研究
石墨烯作为一种具有光学、电学和机械性能的革命性材料,在材料科学、微纳加工、能源、生物医学和药物输送等方面具有很高的生产成本。为探索低成本的碳纳米材料合成方法,提出了一种以焦炭为原料制备碳纳米材料的方法。对脱矿焦超细粉(< 10µm)进行氧化处理,然后采用热剥离和溶剂剥离相结合的方法进行处理。采用透射电子显微镜(TEM)、傅里叶红外光谱(FTIR)、x射线光电发射光谱(XPS)、拉曼光谱(Raman Spectroscopy)和x射线衍射仪(XRD)对制备的碳粉进行了微观形貌、缺陷和碳的类型以及碳的结构顺序等表征。以脱矿焦炭超细粉为原料,采用化学物理方法制备的石墨烯具有与传统石墨相似的特性,为制备石墨烯材料提供了一种经济环保的方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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