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All-photonic drying and sintering process via flash white light combined with deep-UV and near-infrared irradiation for highly conductive copper nano-ink

Title
All-photonic drying and sintering process via flash white light combined with deep-UV and near-infrared irradiation for highly conductive copper nano-ink
Author
김학성
Keywords
INTENSE PULSED-LIGHT; ROOM-TEMPERATURE; PRINTED ELECTRONICS; NANOPARTICLES; PERFORMANCE; REDUCTION; DEVICES; PAPER
Issue Date
2016-01
Publisher
NATURE PUBLISHING GROUP
Citation
SCIENTIFIC REPORTS, v. 6, NO 19696, Page. 1-10
Abstract
We developed an ultra-high speed photonic sintering method involving flash white light (FWL) combined with near infrared (NIR) and deep UV light irradiation to produce highly conductive copper nano-ink film. Flash white light irradiation energy and the power of NIR/deep UV were optimized to obtain high conductivity Cu films. Several microscopic and spectroscopic characterization techniques such as scanning electron microscopy (SEM), a x-ray diffraction (XRD), and Fourier-transform infrared (FT-IR) spectroscopy were employed to characterize the Cu nano-films. Optimally sintered Cu nano-ink films produced using a deep UV-assisted flash white light sintering technique had the lowest resistivity (7.62 mu Omega.cm), which was only 4.5-fold higher than that of bulk Cu film (1.68 mu Omega.cm).
URI
https://www.nature.com/articles/srep19696http://hdl.handle.net/20.500.11754/30412
ISSN
2045-2322
DOI
10.1038/srep19696
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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