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- Title
Direct pen writing and atomic-scale molecular dynamics simulation study of a novel silver nano-ink.
- Authors
Zhuo, Longchao; Wang, Qinghao; Sun, Jiacheng; Feng, Yaoyao; Yin, Enhuai; Liu, Wen; Chen, Bingqing; Lin, Samuel; Zhang, Qiqi
- Abstract
Herein, a facile synthesis approach for silver nanoparticles is disclosed through reduction action without the need for a peristaltic pump or inert gas shielding has been disclosed. Subsequent electron microscopy, X-ray diffraction, Ultraviolet–Visible spectroscopy and Fourier transform infrared spectroscopy were conducted to characterize the optimized nanoparticles with an average grain size of 29.9 nm. Employing a designed ink containing 35 wt% silver, four types of inks by direct writing showed different printability on the glass surface and conductive behavior. A resistivity value as low as 4.7 × 10−7 Ω m was achieved following basic traditional sintering process at 250 °C for 30 min, along with stable electrical conductivity under repeated bending, suitable for bending in flexible electronic devices. Finally, molecular dynamics simulation was applied to gain a deeper understanding of the melting and sintering processes of Ag nanoparticles during the atomic-level bonding.
- Subjects
MOLECULAR dynamics; FOURIER transform infrared spectroscopy; SILVER; ULTRAVIOLET-visible spectroscopy; SILVER nanoparticles; ELECTRONIC equipment; ELECTRIC conductivity
- Publication
Journal of Materials Science: Materials in Electronics, 2023, Vol 34, Issue 33, p1
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-023-11628-8