Zhaohe Dai
College of Engineering, Peking University
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How atomically thin materials stick together
Adhesion is a crucial factor to consider, particularly when dealing with slender and delicate materials. In this talk, I will specifically focus on the adhesion of atomically thin materials or 2D materials, which are extremely slender and small. Recent experiments have highlighted the significant impact of adhesion in the manipulation, transfer, cleaning, and reliability of 2D materials in practical applications. Understanding this impact requires a clear understanding of the complex interaction between adhesive and elastic forces. In this talk, I will mainly discuss this interaction using classical adhesion mechanics while decoupling the deformation of 2D materials through bending and stretching. I will also briefly touch on scenarios where elastic deformation is not significant enough, leading to the emergence of long-range features in adhesive forces that are often ignored at large scales.
