纳米氧化石墨烯的合成与分析

IF 0.9 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Optoelectronic and Biomedical Materials Pub Date : 2023-01-01 DOI:10.15251/jobm.2023.151.23
N. A. Guliyeva, Rashad Gabil Abaszade, E. A. Khanmammadova, E. Azizov
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引用次数: 5

摘要

为了获得具有大量活性中心的功能化层,已经进行了改进获得和进一步氧化氧化石墨烯(GO)的方法的工作。我们确定,随着合成过程中H2O2用量的增加,氧化过程的效率显著提高,官能团数量增加,而NaNO3和KMnO4的用量保持不变。傅里叶变换红外光谱(FTIR)、x射线分析、扫描电镜(SEM)和透射电镜(TEM)分析。根据FTIR结果,确定了给定材料(GO)的所有可能的官能团,如羰基、羟基、酮和与石墨烯化学键合的环氧基。分析了扫描电镜和透射电镜图,对氧化石墨烯纳米结构的形态有了广泛的了解,并且基于这些图,可以说该材料是半结晶的,并且存在诸如无定形碳纳米颗粒之类的副产品。通过EDX分析,证明该纳米结构材料没有第三方产品。
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Synthesis and analysis of nanostructured graphene oxide
Work has been carried out to improve the method for obtaining and further oxidizing Graphene Oxide (GO) to obtain functionalized layers with a large number of active centres. We have determined that with an increase in the amount of H2O2 in the synthesis, it significantly increases the efficiency of the oxidation process and increases the number of functional groups, while the amount of NaNO3 and KMnO4 remains unchanged. Fourier-Transform Infrared Spectroscopy (FTIR), X-ray analysis, Scanning Electron Microscope (SEM) and Transmission Electron Microscope (TEM) analyses were carried out. Based on the FTIR result, all putative functional groups for a given material (GO) were determined, such as carbonyl, hydroxyl, ketone and epoxy groups which chemically bonded with graphene. SEM and TEM drawings were analysed, which gave a broad understanding of the morphology of GO nanostructures and, based on these drawings, it is fashionable to say that the material is semi-crystalline with the presence of such byproducts as amorphous carbon nanoparticles. Based on the EDX analysis, it was proved that this nano-structured material does not have third-party products.
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来源期刊
Journal of Optoelectronic and Biomedical Materials
Journal of Optoelectronic and Biomedical Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-
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