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Title: Laser-assisted direct ink writing of planar and 3D metal architectures

Abstract

The ability to pattern planar and freestanding 3D metallic architectures at the microscale would enable myriad applications, including flexible electronics, displays, sensors, and electrically small antennas. A 3D printing method is introduced that combines direct ink writing with a focused laser that locally anneals printed metallic features “on-the-fly.” To optimize the nozzle-to-laser separation distance, the heat transfer along the printed silver wire is modeled as a function of printing speed, laser intensity, and pulse duration. Laser-assisted direct ink writing is used to pattern highly conductive, ductile metallic interconnects, springs, and freestanding spiral architectures on flexible and rigid substrates.

Authors:
; ;
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Light-Material Interactions in Energy Conversion (LMI)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1253387
Alternate Identifier(s):
OSTI ID: 1387854
Grant/Contract Number:  
SC0001293
Resource Type:
Published Article
Journal Name:
Proceedings of the National Academy of Sciences of the United States of America
Additional Journal Information:
Journal Name: Proceedings of the National Academy of Sciences of the United States of America Journal Volume: 113 Journal Issue: 22; Journal ID: ISSN 0027-8424
Publisher:
Proceedings of the National Academy of Sciences
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; solar (photovoltaic); solid state lighting; phonons; thermal conductivity; electrodes - solar; materials and chemistry by design; optics; synthesis (novel materials); synthesis (self-assembly)

Citation Formats

Skylar-Scott, Mark A., Gunasekaran, Suman, and Lewis, Jennifer A. Laser-assisted direct ink writing of planar and 3D metal architectures. United States: N. p., 2016. Web. doi:10.1073/pnas.1525131113.
Skylar-Scott, Mark A., Gunasekaran, Suman, & Lewis, Jennifer A. Laser-assisted direct ink writing of planar and 3D metal architectures. United States. doi:10.1073/pnas.1525131113.
Skylar-Scott, Mark A., Gunasekaran, Suman, and Lewis, Jennifer A. Mon . "Laser-assisted direct ink writing of planar and 3D metal architectures". United States. doi:10.1073/pnas.1525131113.
@article{osti_1253387,
title = {Laser-assisted direct ink writing of planar and 3D metal architectures},
author = {Skylar-Scott, Mark A. and Gunasekaran, Suman and Lewis, Jennifer A.},
abstractNote = {The ability to pattern planar and freestanding 3D metallic architectures at the microscale would enable myriad applications, including flexible electronics, displays, sensors, and electrically small antennas. A 3D printing method is introduced that combines direct ink writing with a focused laser that locally anneals printed metallic features “on-the-fly.” To optimize the nozzle-to-laser separation distance, the heat transfer along the printed silver wire is modeled as a function of printing speed, laser intensity, and pulse duration. Laser-assisted direct ink writing is used to pattern highly conductive, ductile metallic interconnects, springs, and freestanding spiral architectures on flexible and rigid substrates.},
doi = {10.1073/pnas.1525131113},
journal = {Proceedings of the National Academy of Sciences of the United States of America},
number = 22,
volume = 113,
place = {United States},
year = {2016},
month = {5}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1073/pnas.1525131113

Citation Metrics:
Cited by: 31 works
Citation information provided by
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