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Open AccessArticle

Multimaterial 3D Printing for Arbitrary Distribution with Nanoscale Resolution

1
School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, China
2
Key Laboratory of Micro-systems and Micro-structures Manufacturing, Ministry of Education, Harbin Institute of Technology, Harbin 150080, China
*
Authors to whom correspondence should be addressed.
Nanomaterials 2019, 9(8), 1108; https://doi.org/10.3390/nano9081108
Received: 3 July 2019 / Revised: 23 July 2019 / Accepted: 30 July 2019 / Published: 2 August 2019
(This article belongs to the Special Issue Nanoscale Self-Assembly: Nanopatterning and Metrology)
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Abstract

At the core of additive manufacturing (3D printing) is the ability to rapidly print with multiple materials for arbitrary distribution with high resolution, which can remove challenges and limits of traditional assembly and enable us to make increasingly complex objects, especially exciting meta-materials. Here we demonstrate a simple and effective strategy to achieve nano-resolution printing of multiple materials for arbitrary distribution via layer-by-layer deposition on a special deposition surface. The established physical model reveals that complex distribution on a section can be achieved by vertical deformation of simple lamination of multiple materials. The deformation is controlled by a special surface of the mold and a contour-by-contour (instead of point-by-point) printing mode is revealed in the actual process. A large-scale concentric ring array with a minimum feature size below 50 nm is printed within less than two hours, verifying the capacity of high-throughput, high-resolution and rapidity of printing. The proposed printing method opens the way towards the programming of internal compositions of object (such as functional microdevices with multiple materials). View Full-Text
Keywords: 3D printing; nano-resolution; arbitrary distribution; multimaterials; deposition surface; rapidity; large scale 3D printing; nano-resolution; arbitrary distribution; multimaterials; deposition surface; rapidity; large scale
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Zhang, F.; Li, C.; Wang, Z.; Zhang, J.; Wang, Y. Multimaterial 3D Printing for Arbitrary Distribution with Nanoscale Resolution. Nanomaterials 2019, 9, 1108.

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