Hon Hai Precision Industry Co., Ltd.

Tsinghua University

Yu-Chien Tsai

Shou-Shan Fan

Kai-Li Jiang

Wei Zhao

Jin Zhang

Lin Cong

The present invention relates to a method for transferring two-dimensional nanomaterials. The method comprises the following steps: S, providing a first substrate and a two-dimensional nanomaterial layer on a surface of the first substrate; S, covering the two-dimensional nanomaterial layer with a carbon nanotube film structure; S, obtaining a composite structure comprising the two-dimensional nanomaterial layer and the carbon nanotube film structure by removing the first substrate with a corrosion solution; S, cleaning the composite structure by placing the composite structure on a surface of a cleaning solution; S, picking up the composite structure from the cleaning solution with a target substrate, by contacting the target substrate with the two-dimensional nanomaterial layer of the composite structure; and S, removing the carbon nanotube film structure from the composite structure.

Method for transferring two-dimensional nanomaterials

The present invention relates to a method for transferring two-dimensional nanomaterials. The method comprises the following steps: (S) providing a first substrate with a two-dimensional nanomaterial layer on a surface of the first substrate; (S) covering the two-dimensional nanomaterial layer with a carbon nanotube film structure; (S) obtaining a composite structure comprising the two-dimensional nanomaterial layer and the carbon nanotube film structure by removing the first substrate with a corrosion solution to; (S) placing the composite structure on a surface of a cleaning solution; (S) providing a target substrate comprising at least one through hole, and picking up the composite structure from the cleaning solution with the target substrate by contacting the target substrate with the two-dimensional nanomaterial layer of the composite structure and covering the at least one through hole with two-dimensional nanomaterial layer; and (S) removing the carbon nanotube film structure from the composite structure.

Method for preparing suspended two-dimensional nanomaterials

The present invention relates to a method for transferring two-dimensional nanomaterials. The method comprises: (S) providing a first substrate with a two-dimensional nanomaterial layer on a surface of the first substrate and a carbon nanotube composite film comprising a carbon nanotube film structure and a nanomaterial layer stacked with each other; (S) covering the two-dimensional nanomaterial layer with the carbon nanotube composite film, wherein the carbon nanotube film structure of the carbon nanotube composite film is in contact with the two-dimensional nanomaterial layer; (S) obtaining a composite structure comprising the two-dimensional nanomaterial layer and the carbon nanotube composite film by removing the first substrate with a corrosion solution; (S) placing the composite structure on a surface of a cleaning solution for cleaning; (S) picking up the composite structure from the cleaning solution by contacting the target substrate with the two-dimensional nanomaterial layer; and (S) removing the carbon nanotube composite film.

The present invention relates to a transmission electron microscope (TEM) micro-grid and a method for preparing the TEM micro-grid. The TEM micro-grid comprises a porous silicon nitride substrate and a graphene layer located on a surface of the porous silicon nitride substrate. The porous silicon nitride substrate comprises a plurality of through holes. The graphene layer covers the plurality of through holes. The method for preparing the TEM micro-grid provided in the present disclosure uses a carbon nanotube film structure to transfer a graphene layer to a surface of a porous silicon nitride substrate.

Growing community of inventors

Beijing, China

Yu-Chien Tsai