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Title: Fluidic Flow Assisted Deterministic Folding of Van der Waals Materials

Abstract

Origami offers a distinct approach for designing and engineering new material structures and properties. The folding and stacking of atomically thin van der Waals (vdW) materials, for example, can lead to intriguing new physical properties including bandgap tuning, Van Hove singularity, and superconductivity. On the other hand, achieving well-controlled folding of vdW materials with high spatial precision has been extremely challenging and difficult to scale toward large areas. In this paper, a deterministic technique is reported to fold vdW materials at a defined position and direction using microfluidic forces. Electron beam lithography (EBL) is utilized to define the folding area, which allows precise control of the folding geometry, direction, and position beyond 100 nm resolution. Using this technique, single-atomic-layer vdW materials or their heterostructures can be folded without the need for any external supporting layers in the final folded structure. In addition, arrays of patterns can be folded across a large area using this technique and electronic devices that can reconfigure device functionalities through folding are also demonstrated. Such scalable formation of folded vdW material structures with high precision can lead to the creation of new atomic-scale materials and superlattices as well as opening the door to realizing foldable andmore » reconfigurable electronics.« less

Authors:
ORCiD logo [1];  [1];  [2];  [1];  [3];  [3];  [4];  [1];  [1];  [3];  [1]; ORCiD logo [1]
  1. Univ. of Southern California, Los Angeles, CA (United States)
  2. Zhejiang Univ. of Technology Hangzhou (People's Republic of China)
  3. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  4. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Center for Integrated Nanotechnologies (CINT)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE National Nuclear Security Administration (NNSA); US Air Force Office of Scientific Research (AFOSR); National Science Foundation (NSF)
OSTI Identifier:
1607502
Alternate Identifier(s):
OSTI ID: 1599660
Report Number(s):
SAND-2020-0594J
Journal ID: ISSN 1616-301X; 682943
Grant/Contract Number:  
AC04-94AL85000; FA9550-15-1-0514; 0939514; SC0014607; NA0003525
Resource Type:
Accepted Manuscript
Journal Name:
Advanced Functional Materials
Additional Journal Information:
Journal Volume: 30; Journal Issue: 13; Journal ID: ISSN 1616-301X
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 2D materials; origami; reconfigurable devices; twisted bilayers

Citation Formats

Zhao, Huan, Wang, Beibei, Liu, Fanxin, Yan, Xiaodong, Wang, Haozhe, Leong, Wei Sun, Stevens, Mark J., Vashishta, Priya, Nakano, Aiichiro, Kong, Jing, Kalia, Rajiv, and Wang, Han. Fluidic Flow Assisted Deterministic Folding of Van der Waals Materials. United States: N. p., 2020. Web. doi:10.1002/adfm.201908691.
Zhao, Huan, Wang, Beibei, Liu, Fanxin, Yan, Xiaodong, Wang, Haozhe, Leong, Wei Sun, Stevens, Mark J., Vashishta, Priya, Nakano, Aiichiro, Kong, Jing, Kalia, Rajiv, & Wang, Han. Fluidic Flow Assisted Deterministic Folding of Van der Waals Materials. United States. doi:https://doi.org/10.1002/adfm.201908691
Zhao, Huan, Wang, Beibei, Liu, Fanxin, Yan, Xiaodong, Wang, Haozhe, Leong, Wei Sun, Stevens, Mark J., Vashishta, Priya, Nakano, Aiichiro, Kong, Jing, Kalia, Rajiv, and Wang, Han. Fri . "Fluidic Flow Assisted Deterministic Folding of Van der Waals Materials". United States. doi:https://doi.org/10.1002/adfm.201908691. https://www.osti.gov/servlets/purl/1607502.
@article{osti_1607502,
title = {Fluidic Flow Assisted Deterministic Folding of Van der Waals Materials},
author = {Zhao, Huan and Wang, Beibei and Liu, Fanxin and Yan, Xiaodong and Wang, Haozhe and Leong, Wei Sun and Stevens, Mark J. and Vashishta, Priya and Nakano, Aiichiro and Kong, Jing and Kalia, Rajiv and Wang, Han},
abstractNote = {Origami offers a distinct approach for designing and engineering new material structures and properties. The folding and stacking of atomically thin van der Waals (vdW) materials, for example, can lead to intriguing new physical properties including bandgap tuning, Van Hove singularity, and superconductivity. On the other hand, achieving well-controlled folding of vdW materials with high spatial precision has been extremely challenging and difficult to scale toward large areas. In this paper, a deterministic technique is reported to fold vdW materials at a defined position and direction using microfluidic forces. Electron beam lithography (EBL) is utilized to define the folding area, which allows precise control of the folding geometry, direction, and position beyond 100 nm resolution. Using this technique, single-atomic-layer vdW materials or their heterostructures can be folded without the need for any external supporting layers in the final folded structure. In addition, arrays of patterns can be folded across a large area using this technique and electronic devices that can reconfigure device functionalities through folding are also demonstrated. Such scalable formation of folded vdW material structures with high precision can lead to the creation of new atomic-scale materials and superlattices as well as opening the door to realizing foldable and reconfigurable electronics.},
doi = {10.1002/adfm.201908691},
journal = {Advanced Functional Materials},
number = 13,
volume = 30,
place = {United States},
year = {2020},
month = {2}
}

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