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公开(公告)号：US11691880B2
公开(公告)日：2023-07-04
申请号：US17388600
申请日：2021-07-29
Inventor： Jaehyun Lee , Jiyun Moon
IPC: C01B32/194 , C01B32/19 , C01G39/06 , C30B33/00 , C30B29/46 , C30B29/64 , C30B29/02 , B82Y40/00 , B82Y30/00
CPC classification number: C01B32/194 , C01B32/19 , C01G39/06 , C30B29/02 , C30B29/46 , C30B29/64 , C30B33/00 , B82Y30/00 , B82Y40/00 , C01B2204/02
Abstract: The present embodiments relate to a method for manufacturing a two-dimensional material using a top-down method, the method includes the steps of preparing a bulk crystal, forming a metal layer on the bulk crystal, and then attaching a thermal release tape on the metal layer, exfoliating a two-dimensional material to which the metal layer and the thermal release tape have been attached from the bulk crystal, transferring the two-dimensional material to which the metal layer and the thermal release tape have been attached onto a substrate, and removing the thermal release tape and the metal layer from the substrate onto which the two-dimensional material has been transferred.
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公开(公告)号：US20230250533A1
公开(公告)日：2023-08-10
申请号：US18164874
申请日：2023-02-06
Inventor： Jaehyun LEE , Jiyun Moon
CPC classification number: C23C16/50 , C23C14/0623 , C23C14/0635 , C23C14/5806 , C23C16/52 , C23C16/56 , C23C14/3464
Abstract: The present disclosure relates to a preparing method of two-dimensional materials with a controlled number of layer including depositing a metal thin film on a surface of a bulk material; exfoliating a two-dimensional material from the surface of the bulk material together with the metal thin film; and transferring the two-dimensional material onto a substrate, in which the number of layers of the two-dimensional material to be exploited is controlled by controlling an internal stress of the metal thin film.
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