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- W4304112912 endingPage "025601" @default.
- W4304112912 startingPage "025601" @default.
- W4304112912 abstract "Abstract The combination of two-dimensional materials (2D) into heterostructures enables their integration in tunable ultrathin devices. For applications in electronics and optoelectronics, direct growth of wafer-scale and vertically stacked graphene/hexagonal boron nitride (h-BN) heterostructures is vital. The fundamental problem, however, is the catalytically inert nature of h-BN substrates, which typically provide a low rate of carbon precursor breakdown and consequently a poor rate of graphene synthesis. Furthermore, out-of-plane deformations such as wrinkles are commonly seen in 2D materials grown by chemical vapor deposition (CVD). Herein, a wrinkle-facilitated route is developed for the fast growth of graphene/h-BN vertical heterostructures on Cu foils. The key advantage of this synthetic pathway is the exploitation of the increased reactivity from inevitable line defects arising from the CVD process, which can act as active sites for graphene nucleation. The resulted heterostructures are found to exhibit superlubric properties with increased bending stiffness, as well as directional electronic properties, as revealed from atomic force microscopy measurements. This work offers a brand-new route for the fast growth of Gr/h-BN heterostructures with practical scalability, thus propelling applications in electronics and nanomechanical systems." @default.
- W4304112912 created "2022-10-11" @default.
- W4304112912 creator A5020698484 @default.
- W4304112912 creator A5034205381 @default.
- W4304112912 creator A5064203989 @default.
- W4304112912 creator A5071814045 @default.
- W4304112912 creator A5087819893 @default.
- W4304112912 date "2022-10-28" @default.
- W4304112912 modified "2023-09-30" @default.
- W4304112912 title "Wrinkle-mediated CVD synthesis of wafer scale Graphene/h-BN heterostructures" @default.
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- W4304112912 doi "https://doi.org/10.1088/1361-6528/ac98d0" @default.
- W4304112912 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36215949" @default.