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Title: Structure, electrical characteristics, and high-temperature stability of aerosol jet printed silver nanoparticle films

Journal Article · · Journal of Applied Physics
DOI:https://doi.org/10.1063/1.4960779· OSTI ID:1467863
 [1]; ORCiD logo [1];  [2];  [1]
  1. Washington State Univ., Pullman, WA (United States). School of Mechanical and Materials Engineering
  2. Univ. of Texas, El Paso, TX (United States). Dept. of Mechanical Engineering

Printed electronics has emerged as a versatile eco-friendly fabrication technique to create sintered nanoparticle (NP) films on arbitrary surfaces with an excellent control over the film microstructure. While applicability of such films for high-temperature applications is not explored previously, in this work we report the high-temperature electrical stability of silver (Ag) metal NP films fabricated using an Aerosol Jet based printing technique and demonstrate that this behavior is dictated by changes in the film microstructure. In-situ high temperature (24–500°C) impedance spectroscopy measurements show that the real part of the impedance increases with increasing temperature up to 150°C, at which point a decreasing trend prevails until 300°C, followed again by an increase in impedance. The electrical behavior is correlated with the in-situ grain growth of the Ag NP films, as observed afterwards by scanning electron microscopy and X-ray diffraction (XRD), and could be tailored by controlling the initial microstructure through sintering conditions. Using combined diffraction and spectroscopic analytical methods, it is demonstrated the Aerosol Jet printed Ag NP films exhibit enhanced thermal stability and oxidation resistance. In addition to establishing the conditions for stability of Ag NP films, the results provide a fundamental understanding of the effect of grain growth and reduction in grain boundary area on the electrical stability of sintered NP films.

Research Organization:
Carnegie Mellon Univ., Pittsburgh, PA (United States); National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
FE0026170
OSTI ID:
1467863
Alternate ID(s):
OSTI ID: 1297261
Journal Information:
Journal of Applied Physics, Vol. 120, Issue 7; ISSN 0021-8979
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 43 works
Citation information provided by
Web of Science

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Controlling processing temperatures and self-limiting behaviour in intense pulsed sintering by tailoring nanomaterial shape distribution journal January 2017
A high-performance SDC-infiltrated nanoporous silver cathode with superior thermal stability for low temperature solid oxide fuel cells journal January 2018
Printable Materials for the Realization of High Performance RF Components: Challenges and Opportunities journal January 2018
Laser-Assisted Reduction of Highly Conductive Circuits Based on Copper Nitrate for Flexible Printed Sensors journal March 2017