Facile preparation of polymer coating on reduced graphene oxide sheets by plasma polymerization

IF 4.2 3区 材料科学 Q2 MATERIALS SCIENCE, COMPOSITES
Yezhou Yang, W. Cheng, B. Yin, Ming‐bo Yang
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引用次数: 3

Abstract

Abstract Surface modification was needed in the application of nanoparticles. In this work, a simple method was proposed to prepare polymer coatings on reduced graphene oxide (rGO) sheets. A polymer coating of plasma polymethyl methacrylate (pPMMA) was synthesized on the surface of rGO by plasma polymerization using dielectric barrier discharge plasma equipment. There was good adhesion between the pPMMA coating and the surface of rGO. Furthermore, the pPMMA coating consisted of two layers classified by their interactions with rGO:pPMMA in the outer layer physically adhered to the surface and pPMMA of the under layer interacted with rGO by chemical bonding. The thicknesses of the outer and under layers were 1.5–3 nm and 2–3.5 nm, respectively. Moreover, the morphology and thickness of pPMMA coatings could be effectively regulated by controlling the input voltage and processing time. The process of the deposition of pPMMA coating was preliminarily studied and discussed in this work. We believed that this strategy could open up an avenue for the surface modification of other kinds of nanoparticles.
等离子体聚合在还原氧化石墨烯薄片上制备聚合物涂层
摘要纳米颗粒的应用需要进行表面改性。在这项工作中,提出了一种在还原氧化石墨烯(rGO)薄片上制备聚合物涂层的简单方法。采用介质阻挡放电等离子体设备在氧化石墨烯表面聚合制备了等离子体聚甲基丙烯酸甲酯(pPMMA)聚合物涂层。pPMMA涂层与氧化石墨烯表面具有良好的附着力。此外,pPMMA涂层根据与氧化石墨烯的相互作用分为两层:外层的pPMMA与表面物理粘附,下层的pPMMA与氧化石墨烯通过化学键作用。外层和下层的厚度分别为1.5 ~ 3 nm和2 ~ 3.5 nm。此外,通过控制输入电压和加工时间,可以有效地调节pPMMA涂层的形貌和厚度。本文对pPMMA涂层的沉积工艺进行了初步的研究和探讨。我们相信这一策略可以为其他种类纳米颗粒的表面改性开辟一条道路。
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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来源期刊
Nanocomposites
Nanocomposites Multiple-
CiteScore
7.40
自引率
15.20%
发文量
18
审稿时长
16 weeks
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