石墨烯具有卓越的性能和广泛的应用潜力。石墨烯粘着关系到微机电系统的可靠性和稳定性，且对微观摩擦的探索意义重大。本项目针对石墨烯粘着能测量的困境、亲水性争议和毛细力的矛盾结果等，提出科学问题：表界面水的动态行为及其与石墨烯粘着的关系。通过建模、表面分析和原子力显微镜（AFM）实验等，研究以下内容：石墨烯表界面水的静态特性和动态行为；建立液桥形成和成长的时间依赖性模型，并与AFM粘着力的实验结果作对比；通过影响因素的耦合效应控制表界水的动态行为，以调控毛细力；通过重复接触过程，探讨石墨烯粘着力随时间的演化规律。采用离线间接测量、多因素分离和“实验细节化”等方法，采取定位技术、反扫技术、双探针轮换和多种分析技术联用等原位高分辨测量技术，旨在深入探讨石墨烯粘着力的机理问题。相关研究符合国家高新科技发展的重大战略需求，对粘着机理的认识有理论意义，对粘着设计有指导意义，对石墨烯器件的发展有现实意义。

Graphene has wide application potential with excellent properties. The adhesion of graphene is closely related to the reliability and stability of micro-electromechanical systems, and is of great significance to the exploration of micro/nano friction. In this project, a scientific problem is proposed: dynamic behavior of water on graphene surfaces and interfaces, and its relationship with graphene adhesion, based on the dilemma of adhesion energy measurement of graphene, the controversy of graphene hydrophilicity and contradictory results of capillary force, etc. With model establishment, surface analysis and experiments on atomic force microscopy (AFM), the following contents will be studied: static characteristics and dynamic behavior of water on graphene surfaces and interfaces; time-dependent model of liquid bridge formation and growth will be established, and is compared with experimental results of graphene adhesion on AFM; water dynamic behavior is controlled by the coupling effect of influencing factors to tailor capillary force; evolution laws of graphene adhesion with time is investigated through repeated contacts on one location. The methods include: offline and indirect measurement, isolation of multi-factors, attention to experimental details. The positioning technology, reverse scanning technology, double probes technology and the combination of various analysis techniques are used to achieve in site measurements of high resolution, to investigate the in-depth mechanism of capillary force. This research is in line with the major strategic needs of national high-tech development. And, it has theoretical significance in the understanding of adhesion mechanism, has guiding significance for adhesion design, and has practical significance for the development of graphene devices.