Poly(vinyl alcohol)-Assisted Exfoliation of van der Waals Materials

作者：Yaodong Li, Shirui Weng, Rui Niu, Weili Zhen, Feng Xu, Wenka Zhu, Changjin Zhang · 发表于：ACS Omega · 年份：2022 · DOI：10.1021/acsomega.2c04409 · 被引用次数：19 · 研究领域：2D Materials and Applications、Graphene research and applications、MXene and MAX Phase Materials

High Resolution Image Download MS PowerPoint Slide We report a highly efficient and easily transferable poly(vinyl alcohol) (PVA)-assisted exfoliation method, which allows one to obtain van der Waals materials on large scales, e.g., centimeter-scale graphite flakes and hundred-micrometer-scale several layers of ZnIn 2 S 4 and BN. The present exfoliation scheme is nondestructive, and the materials prepared by PVA-assisted exfoliation can be directly fabricated into devices. This exfoliation approach could be helpful in overcoming the preparation bottleneck for large-scale applications of two-dimensional (2D) materials.