Wettability of graphene

IF 8.2 1区 化学 Q1 CHEMISTRY, PHYSICAL
Liubov A. Belyaeva, Grégory F. Schneider
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引用次数: 45

Abstract

Many far-reaching applications of graphene require a deep understanding of the interactions between graphene and other surfaces, including the wetting behaviour of graphene. However, its two-dimensional nature does not allow qualifying graphene as simply hydrophobic or hydrophilic, but instead gives rise to a diversity of interfacial phenomena governing the apparent wettability of graphene. As a result, wide disparities in the wetting properties of graphene have been widely reported. In this review we analyse the wettability of graphene with a special focus on the experimental conditions and on discriminating the causes of the reported inconsistencies. The elimination of the environmental factors causing misleading data is a major challenge. Importantly, progresses made in graphene research yielded new experimental insights and tools enabling the minimization of unwanted effects and, ultimately, the achievement of reliable contact angle measurements. Besides the macroscopic wettability studied using contact angle measurements under ambient conditions or by theoretical modelling, we also analysed correlations with the wettability of graphene at the molecular level in supremely pure environment of ultra-high vacuum.

Abstract Image

石墨烯的润湿性
石墨烯的许多深远应用需要深入了解石墨烯与其他表面之间的相互作用,包括石墨烯的润湿行为。然而,石墨烯的二维性质不允许将其定义为简单的疏水性或亲水性,而是产生了控制石墨烯表面润湿性的多种界面现象。因此,石墨烯在润湿性能上的巨大差异已被广泛报道。在这篇综述中,我们分析了石墨烯的润湿性,特别关注实验条件和区分报道不一致的原因。消除造成误导性数据的环境因素是一项重大挑战。重要的是,石墨烯研究的进展产生了新的实验见解和工具,使不必要的影响最小化,并最终实现可靠的接触角测量。除了在环境条件下通过接触角测量或理论建模研究宏观润湿性外,我们还分析了超高真空超纯环境下石墨烯在分子水平上的润湿性与润湿性的相关性。
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来源期刊
Surface Science Reports
Surface Science Reports 化学-物理:凝聚态物理
CiteScore
15.90
自引率
2.00%
发文量
9
审稿时长
178 days
期刊介绍: Surface Science Reports is a journal that specializes in invited review papers on experimental and theoretical studies in the physics, chemistry, and pioneering applications of surfaces, interfaces, and nanostructures. The topics covered in the journal aim to contribute to a better understanding of the fundamental phenomena that occur on surfaces and interfaces, as well as the application of this knowledge to the development of materials, processes, and devices. In this journal, the term "surfaces" encompasses all interfaces between solids, liquids, polymers, biomaterials, nanostructures, soft matter, gases, and vacuum. Additionally, the journal includes reviews of experimental techniques and methods used to characterize surfaces and surface processes, such as those based on the interactions of photons, electrons, and ions with surfaces.
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