An Approach to the Improvement of Graphene Production by Ultrasonic-Bath Treatment
Baitimbetova B.A. Boukhvalov D.W. Mit’ K.A. Turmagambetov T.S. Baitimbetova P. Serikkanov A.S.
June 2025Multidisciplinary Digital Publishing Institute (MDPI)
Nanomaterials
2025#15Issue 11
In this study, we report the synthesis of few-layer graphene via ultrasonic treatment of a graphite-benzene solution at room temperature. Raman spectroscopy revealed a significant reduction in the intensity ratio of the G and 2D peaks for samples subjected to 20 min of treatment, indicating a decrease in defect density and oxidation. Prolonged treatment times led to fragmentation of the graphene sheets, which facilitated restacking, as evidenced by Raman spectroscopy and microscopy. FTIR analysis confirmed the complete removal of the solvent from the extracted and dried graphene. Additionally, electron paramagnetic resonance (EPR) measurements indicated the presence of carbon-based magnetism in the synthesized samples, suggesting potential applications in spintronic devices. Our findings highlight the effectiveness of ultrasonic treatment for producing high-quality few-layer graphene with desirable structural and magnetic properties.
exfoliate , graphene sheets , graphene structure , ultrasonic treatment
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Department of Materials Science, Nanotechnology and Engineering Physics, Satbayev University, Satbayeva Str. 22, Almaty, 050013, Kazakhstan
Center for Two-Dimensional and Layered Materials, Pennsylvania State University, University Park, 16802, PA, United States
Institute of Physics and Technology LLP, Satbayev University, Ibragimova Str. 11, Almaty, 050032, Kazakhstan
College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing, 210037, China
Center Consulting, Tlendieva Str. 258b, Almaty, 050060, Kazakhstan
Science and Innovation Park Abai Lab, Abai Kazakh National Pedagogical University, Dostyk Ave. 13, Almaty, 050010, Kazakhstan
National Academy of Sciences of the Republic of Kazakhstan under the President of the Republic of Kazakhstan, Shevchenko Str. 28, Almaty, 050010, Kazakhstan
Department of Materials Science
Center for Two-Dimensional and Layered Materials
Institute of Physics and Technology LLP
College of Science
Center Consulting
Science and Innovation Park Abai Lab
National Academy of Sciences of the Republic of Kazakhstan under the President of the Republic of Kazakhstan
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