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首页> 外文期刊>Materials Science and Engineering >On the physical and electrochemical properties of MLG-based electrode surfaces modified by microwave-assisted reactive plasma
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On the physical and electrochemical properties of MLG-based electrode surfaces modified by microwave-assisted reactive plasma

机译：微波辅助反应等离子体改性MLG基电极表面的物理和电化学特性

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摘要

The reactive plasma technique is often employed to activate the surface of materials both chemically and physically. Considering that several parameters should be handled in a plasma treatment process, a multivariate experimental design of three factors in two levels was employed to define the plasma treatment configurations under which the MLG were submitted. Plasma intensity, partial pressure of oxygen and reaction time were employed in the experimental planning. The surface morphology, the generation of C-C bond defects, surface chemical composition, interfacial free energy, and electrochemical properties were analyzed for the MLG electrodes as a function of the plasma treatment parameters. The treatments effectively promoted the MLG electrode's surface activation, considering the results obtained, which showed a dependence on those plasma treatment variables. The results suggested that plasma treatment variable adjustments can be used to modulate specific surface properties and with potential applicability in electrochemical sensors and supercapacitors.
机译：经常采用反应性等离子体技术来在化学和物理上激活材料表面。考虑到几种参数应在等离子体处理过程中处理，采用两种水平三个因子的多变量实验设计来确定提交MLG的等离子体处理配置。实验规划中采用血浆强度，氧气和反应时间的分压。作为等离子体处理参数的函数，对MLG电极分析了表面形态，C-C键缺陷，表面化学成分，界面自由能和电化学性能。考虑到获得的结果，该处理有效地促进了MLG电极的表面活化，这表明依赖于那些等离子体处理变量。结果表明，等离子体处理可变调节可用于调节特异性表面特性，并具有电化学传感器和超级电容器的潜在适用性。

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  • 来源
    《Materials Science and Engineering》 |2021年第10期|115346.1-115346.13|共13页
  • 作者

    Gabriel de Moraes Moura; Camila Cristina da Silva; Emiliane Andrade Araujo Naves; Jeferson Aparecido Moreto; Deusmaque Carneiro Ferreira; Paulo Roberto de Oliveira; Cristiane Kalinke; Jair Scarminio; Abner de Siervo; Thiago Henrique R. da Cunha; Rogerio Valentim Gelamo;

  • 作者单位

    Institute of Technological and Exact Sciences Federal University of Triangulo Mineiro (UFTM) Avenida Doutor Randolfo Borges Junior Universidade 38064200 Uberaba Minas Gerais Brazil;

    Institute of Technological and Exact Sciences Federal University of Triangulo Mineiro (UFTM) Avenida Doutor Randolfo Borges Junior Universidade 38064200 Uberaba Minas Gerais Brazil;

    Institute of Technological and Exact Sciences Federal University of Triangulo Mineiro (UFTM) Avenida Doutor Randolfo Borges Junior Universidade 38064200 Uberaba Minas Gerais Brazil;

    Institute of Exact Sciences Naturals and Education Federal University of Triangulo Mineiro (UFTM) Avenida Doutor Randolfo Borges Junior Universidade 38064200 Uberaba Minas Gerais Brazil;

    Institute of Technological and Exact Sciences Federal University of Triangulo Mineiro (UFTM) Avenida Doutor Randolfo Borges Junior Universidade 38064200 Uberaba Minas Gerais Brazil;

    Institute of Technological and Exact Sciences Federal University of Triangulo Mineiro (UFTM) Avenida Doutor Randolfo Borges Junior Universidade 38064200 Uberaba Minas Gerais Brazil;

    Institute of Chemistry University of Campinas (Unicamp) 13083-970 Campinas Sao Paulo Brazil;

    State University of Londrina (UEL) Physics Department 86057-970 Londrina Parana Brazil;

    Gleb Wataghin Institute of Physics (IFCW) University of Campinas (Unicamp) 13083-859 Campinas Sao Paulo Brazil;

    Center of Technology in Nanomaterials and Graphene (CTNano) Federal University of Minas Gerais Rua Professor Jose Vieira de Mendonca n° 520 - Engenho Nogueira 31310260 Belo Horizonte Minas Gerais Brazil;

    Institute of Technological and Exact Sciences Federal University of Triangulo Mineiro (UFTM) Avenida Doutor Randolfo Borges Junior Universidade 38064200 Uberaba Minas Gerais Brazil;

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  • 正文语种 eng
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  • 关键词

    Carbon electrodes; Supercapacitors; Electrochemical sensors; Plasma treatment; Graphene;

    机译：碳电极;超级电容器;电化学传感器;血浆治疗;石墨烯.;

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