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Water confined in two-dimensions: Fundamentals and applications

机译：二维受限的水：基本原理和应用

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The behavior of water in close proximity to other materials under ambient conditions is of great significance due to its importance in a broad range of daily applications and scientific research. The structure and dynamics of water at an interface or in a nanopore are often significantly different from those of its bulk counterpart. Until recently, experimental access to these interfacial water structures was difficult to realize. The advent of two-dimensional materials, especially graphene, and the availability of various scanning probe microscopies were instrumental to visualize, characterize and provide fundamental knowledge of confined water. This review article summarizes the recent experimental and theoretical progress in a better understanding of water confined between layered Van der Waals materials. These results reveal that the structure and stability of the hydrogen bonded networks are determined by the elegant balance between water-surface and water-water interactions. The water-surface interactions often lead to structures that differ significantly from the conventional bilayer model of natural ice. Here, we review the current knowledge of water adsorption in different environments and intercalation within various confinements. In addition, we extend this review to cover the influence of interfacial water on the two-dimensional material cover and summarize the use of these systems in potential novel applications. Finally, we discuss emerged issues and identify some flaws in the present understanding. (c) 2018 Elsevier B.V. All rights reserved.
机译：由于水在广泛的日常应用和科学研究中具有重要意义，因此在环境条件下，水与其他材料非常接近的行为具有重要意义。界面处或纳米孔中水的结构和动力学通常与其大量对应物的结构和动力学显着不同。直到最近，仍难以实现对这些界面水结构的实验性访问。二维材料（尤其是石墨烯）的出现以及各种扫描探针显微镜的可用性有助于可视化，表征和提供承压水的基本知识。这篇综述文章总结了最近的实验和理论进展，以更好地了解层状范德华材料之间的水分限制。这些结果表明，氢键网络的结构和稳定性取决于水-表面相互作用与水-水相互作用之间的平衡。水表面相互作用通常会导致结构与天然冰的常规双层模型明显不同。在这里，我们回顾了当前在不同环境中的吸水知识以及在不同范围内的插层情况。此外，我们扩展了本文的范围，以涵盖界面水对二维材料覆盖层的影响，并总结了这些系统在潜在的新型应用中的使用。最后，我们讨论出现的问题并找出目前理解中的一些缺陷。 （c）2018 Elsevier B.V.保留所有权利。

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