Out-of-Plane Ionic Conductivity Measurement Configuration for High-Throughput Experiments

Ruiyun Huang; Chris J. Kucharczyk; Yangang Liang; Xiaohang Zhang; Ichiro Takeuchi; Sossina M. Haile

doi:10.1021/acscombsci.8b00037

Out-of-Plane Ionic Conductivity Measurement Configuration for High-Throughput Experiments

Ruiyun Huang, Chris J. Kucharczyk, Yangang Liang, Xiaohang Zhang, Ichiro Takeuchi, Sossina M. Haile^*

^*Corresponding author for this work

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

An approach for measuring conductivity of thin-film electrolytes in an out-of-plane configuration, amenable to high-throughput experimentation, is presented. A comprehensive analysis of the geometric requirements for success is performed. Using samaria-doped ceria (Ce_0.8Sm_0.2O_1.9, SDC) excellent agreement between bulk samples and thin films with continuous and patterned electrodes, 100-500 μm in diameter, is demonstrated. Films were deposited on conductive Nb-doped SrTiO₃, and conductivity was measured by AC impedance spectroscopy over the temperature range from ∼200 to ∼500 °C. The patterned electrode geometry, which encompassed an array of microdot metal electrodes for making top contact, enabled measurements at hundreds of positions on the film, implying the potential for measuring hundreds of composition in a single library.

Original language	English (US)
Pages (from-to)	443-450
Number of pages	8
Journal	ACS Combinatorial Science
Volume	20
Issue number	7
DOIs	https://doi.org/10.1021/acscombsci.8b00037
State	Published - Jul 9 2018

Funding

This work was supported by the US National Science Foundation, DMR-1505103, and by the US Department of Energy, through ARPA-e contract DE-AR0000707, via subcontract from Citrine Informatics. Selected facilities used were supported by the National Science Foundation via Northwestern University’s MRSEC, DMR-1121262. Facilities utilized include Northwestern University's Pulsed Laser Deposition facility for film growth, NUFab for microfabrication, and NUANCE for electron microscopy. The authors gratefully acknowledge the assistance provided by Weizi Yuan and Xin Xu in using various experimental procedures.

Keywords

high-throughput
ionic conductivity
microdot metal electrodes
out-of-plane

ASJC Scopus subject areas

General Chemistry

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10.1021/acscombsci.8b00037

Cite this

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title = "Out-of-Plane Ionic Conductivity Measurement Configuration for High-Throughput Experiments",

abstract = "An approach for measuring conductivity of thin-film electrolytes in an out-of-plane configuration, amenable to high-throughput experimentation, is presented. A comprehensive analysis of the geometric requirements for success is performed. Using samaria-doped ceria (Ce0.8Sm0.2O1.9, SDC) excellent agreement between bulk samples and thin films with continuous and patterned electrodes, 100-500 μm in diameter, is demonstrated. Films were deposited on conductive Nb-doped SrTiO3, and conductivity was measured by AC impedance spectroscopy over the temperature range from ∼200 to ∼500 °C. The patterned electrode geometry, which encompassed an array of microdot metal electrodes for making top contact, enabled measurements at hundreds of positions on the film, implying the potential for measuring hundreds of composition in a single library.",

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AU - Takeuchi, Ichiro

AU - Haile, Sossina M.

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Out-of-Plane Ionic Conductivity Measurement Configuration for High-Throughput Experiments

Abstract

Funding

Keywords

ASJC Scopus subject areas

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