Method of preparing free-standing film of harm-structures and apparatus

Abstract

Disclosed is a method of preparing a free-standing film of high aspect ratio molecular structures (HARM-structures). A second frame is arranged from an opening of a first frame to a position where the second frame is in contact with a film of HARM-structures for stretching the film into a stretched position where the second region of the film is supported by the second frame as the free-standing film. An evaporating wetting agent forms a contact surface between the second frame and the second region of the film. The film is in the stretched position at a moment when the evaporating wetting agent evaporates so that the second region of the film adheres to the second frame. The second region of the film is separated from the first frame.

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