锤击法从活性炭中生产氧化石墨烯及其研究

E. Zhasasynov, T. Kuanyshbekov, Zh. Sagdollin, K. Akatan, M. Tulegenova, T. Zhandos
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摘要

碳材料经常用于电子、医药和吸附材料的生产。这些材料包括石墨、石墨烯、由石墨衍生的氧化石墨烯(GO)以及由活性炭合成的氧化石墨烯(GO-AC),它们被广泛使用。本文阐述了从活性炭中合成的氧化石墨烯(GO-AC)与从石墨中获得的 GO 相比的差异、缺点和优点。在研究过程中,使用红外光谱、紫外光谱和光学方法研究了使用哈默斯法氧化活性炭和生物聚合物羧甲基纤维素(СMC)以 1/1、1/3 和 3/1 的比例得到的复合材料。根据研究结果,所得复合材料的红外光谱显示了 724 cm-1 处的 -CO-OH 基团吸收峰和 944 cm-1 处的 C-H 基团吸收峰。由于合成的复合材料具有独特的表面形貌、物理化学和机械性能,因此获得了 1/1 的最佳配比。根据 GO-AC/KMC 的紫外光谱,C=O 醚键在 226 纳米处有完全吸收。使用光学显微镜和扫描电子显微镜研究了合成材料(AC、GO-AC、GO-AC/CMC)的表面形态。结果表明,BK-GO 材料呈现出分散的石块状。通过扫描电子显微镜研究发现,材料呈现出混沌结构,在最佳的 GO-AC/СMC 比例(1/1)下向 GO-AC 中添加粘合剂СMC 后,材料上的孔隙被氧官能团覆盖。研究结果表明,GO-AC 材料的性质与从石墨中提取的氧化石墨烯(GO)的性质相似。研究结果表明,GO-AC 材料与从石墨中提取的氧化石墨烯(GO)具有相似的特性。与其他碳复合材料相比,这些材料在经济效益方面的优势在于合成简单,原材料来源广泛。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
PRODUCTION OF GRAPHENE OXIDE (GO) FROM ACTIVATED CARBON BY THE HAMMERS METHOD AND ITS STUDY
Carbon materials are frequently utilized in electronics, medicine, and the production of sorption materials. Such materials, including graphite, graphene, graphene oxide (GO) derived from graphite, and graphene oxide synthesized from activated carbon (GO-AC), are widely employed. This article delineates the differences, disadvantages, and advantages of graphene oxide synthesized from activated carbon (GO-AC) in comparison to GO obtained from graphite. During the research, composite materials obtained by oxidizing activated carbon using the Hammers method and biopolymer carboxymethyl cellulose (СMC) in ratios of 1/1, 1/3, and 3/1 were studied using infrared, ultraviolet spectroscopy, and optical methods. Based on the research results, the infrared spectrum of the obtained composite materials revealed absorption peaks of -CO-OH groups at 724 cm-1 and C-H groups at 944 cm-1 The 1/1 optimal ratio was obtained due to the unique surface morphology and physical-chemical and mechanical properties of the synthesized composite materials. According to the UV spectrum of the GO-AC/KMC, the C=O ether bond exhibited complete absorption at 226 nm. The surface morphology of the synthesized materials (AC, GO-AC, GO-AC/CMC) was studied using optical and scanning electron microscopes (SEM). As a result, it was observed that the BK-GO material exhibited a scattered stone-like shape. It was observed that the materials studied by SEM exhibited a chaotic structure, and the pores along the material, resulting from adding the binder СMC to GO-AC in the optimal GO-AC/СMC ratio of 1/1, were covered with oxygen functional groups. Based on the research findings, it was determined that the properties of the GO-AC material are similar to those of graphene oxide (GO) obtained from graphite. According to the study results, it was discovered that the GO-AC material exhibits similar properties to graphene oxide (GO) obtained from graphite. The advantage of these materials over other carbon composites in terms of economic efficiency lies in the simplicity of synthesis and the availability of raw material sources.
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