Large-area transfer of two-dimensional materials free of cracks, contamination and wrinkles via controllable conformal contact.

ABSTRACT: The availability of graphene and other two-dimensional (2D) materials on a wide range of substrates forms the basis for large-area applications, such as graphene integration with silicon-based technologies, which requires graphene on silicon with outperforming carrier mobilities. However, 2D materials were only produced on limited archetypal substrates by chemical vapor deposition approaches. Reliable after-growth transfer techniques, that do not produce cracks, contamination, and wrinkles, are critical for layering 2D materials onto arbitrary substrates. Here we show that, by incorporating oxhydryl groups-containing volatile molecules, the supporting films can be deformed under heat to achieve a controllable conformal contact, enabling the large-area transfer of 2D films without cracks, c

SUBMITTER: Zhao Y 

PROVIDER: S-EPMC9338253 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature