Atomically precise, custom-design origami graphene nanostructures

Author:

Chen Hui1ORCID,Zhang Xian-Li1ORCID,Zhang Yu-Yang12ORCID,Wang Dongfei1ORCID,Bao De-Liang12ORCID,Que Yande1ORCID,Xiao Wende1ORCID,Du Shixuan1ORCID,Ouyang Min3ORCID,Pantelides Sokrates T.12ORCID,Gao Hong-Jun1ORCID

Affiliation:

1. Institute of Physics and University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, China.

2. Departments of Physics and Astronomy and Electrical Engineering and Computer Science, Vanderbilt University, Nashville, TN 37235, USA.

3. Department of Physics, University of Maryland, College Park, MD 20742, USA.

Abstract

Precisely folding nanographene Graphene nanostructures that would result from folding or rolling graphene monolayers or bilayers have been predicted to have a number of interesting electronic properties, but control over such folding processes has been limited. Chen et al. used a scanning tunneling microscope tip to fold and unfold graphene nanoislands etched on graphite surfaces at low temperatures (4 kelvin). The fold angle could be precisely controlled to create different twist angles in bilayer graphene and a tubelike edge in folded graphene. They also folded 5 ring–7 ring defects and explored this heterojunction with scanning tunneling spectroscopy. Science , this issue p. 1036

Funder

Office of Naval Research

U.S. Department of Energy

National Natural Science Foundation of China

International Partnership Program of Chinese Academy of Sciences

Strategic Priority Research Program of Chinese Academy of Sciences

National Key Research and Development Projects of China

CAS Pioneer Hundred Talents Program, and Beijing Nova Program

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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