Electron Irradiation Driven Nanohands for Sequential Origami

Chunhui Dai; Lianbi Li; Daniel Wratkowski; Jeong Hyun Cho

doi:10.1021/acs.nanolett.0c01075

Electron Irradiation Driven Nanohands for Sequential Origami

Chunhui Dai, Lianbi Li, Daniel Wratkowski, Jeong Hyun Cho

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Sequence plays an important role in self-assembly of 3D complex structures, particularly for those with overlap, intersection, and asymmetry. However, it remains challenging to program the sequence of self-assembly, resulting in geometric and topological constrains. In this work, a nanoscale, programmable, self-assembly technique is reported, which uses electron irradiation as "hands"to manipulate the motion of nanostructures with the desired order. By assigning each single assembly step in a particular order, localized motion can be selectively triggered with perfect timing, making a component accurately integrate into the complex 3D structure without disturbing other parts of the assembly process. The features of localized motion, real-time monitoring, and surface patterning open the possibility for the further innovation of nanomachines, nanoscale test platforms, and advanced optical devices.

Original language	English (US)
Pages (from-to)	4975-4984
Number of pages	10
Journal	Nano letters
Volume	20
Issue number	7
DOIs	https://doi.org/10.1021/acs.nanolett.0c01075
State	Published - Jul 8 2020

Bibliographical note

Funding Information:
This material is based upon work supported by an NSF CAREER Award (CMMI-1454293). This work was supported partially by the National Science Foundation through the University of Minnesota MRSEC under Award Number DMR-1420013. Parts of this work were carried out in the Characterization Facility, University of Minnesota, a member of the NSF-funded Materials Research Facilities Network ( www.mrfn.org ) via the MRSEC program. Portions of this work were conducted in the Minnesota Nano Center, which is supported by the National Science Foundation through the National Nano Coordinated Infrastructure Network, Award Number NNCI1542202. C.D. acknowledges support from the Doctoral Dissertation Fellowship from University of Minnesota. The authors would like to thank Dr. Jason Myers for providing valuable support on TEM measurement.

Publisher Copyright:
© 2020 American Chemical Society.

Keywords

3D
electron irradiation
phase change
self-assembly
sequential origami
weaving

MRSEC Support

Partial

PubMed: MeSH publication types

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

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10.1021/acs.nanolett.0c01075

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abstract = "Sequence plays an important role in self-assembly of 3D complex structures, particularly for those with overlap, intersection, and asymmetry. However, it remains challenging to program the sequence of self-assembly, resulting in geometric and topological constrains. In this work, a nanoscale, programmable, self-assembly technique is reported, which uses electron irradiation as {"}hands{"}to manipulate the motion of nanostructures with the desired order. By assigning each single assembly step in a particular order, localized motion can be selectively triggered with perfect timing, making a component accurately integrate into the complex 3D structure without disturbing other parts of the assembly process. The features of localized motion, real-time monitoring, and surface patterning open the possibility for the further innovation of nanomachines, nanoscale test platforms, and advanced optical devices.",

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author = "Chunhui Dai and Lianbi Li and Daniel Wratkowski and Cho, {Jeong Hyun}",

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Electron Irradiation Driven Nanohands for Sequential Origami

Abstract

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Keywords

MRSEC Support

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