Achieving High Thermoelectric Performance and Metallic Transport in Solvent-Sheared PEDOT:PSS

Hinckley, Allison C.; Andrews, Sean C.; Dunham, Marc T.; Sood, Aditya; Barako, Michael T.; Schneider, Sebastian; Toney, Michael F.; Goodson, Kenneth E.; Bao, Zhenan

doi:10.1002/aelm.202001190

Achieving High Thermoelectric Performance and Metallic Transport in Solvent-Sheared PEDOT:PSS

Journal Article · Wed Jan 27 00:00:00 EST 2021 · Advanced Electronic Materials

DOI:https://doi.org/10.1002/aelm.202001190· OSTI ID:1768206

^[1]; Andrews, Sean C. ^[1]; Dunham, Marc T. ^[1]; Sood, Aditya ^[2]; Barako, Michael T. ^[1]; Schneider, Sebastian ^[1]; Toney, Michael F. ^[3]; Goodson, Kenneth E. ^[1]; ^[1]

Stanford Univ., CA (United States)
SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Institute for Materials and Energy Science (SIMES)
SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)

Polymer-based materials hold great potential for use in thermoelectric applications but are limited by their poor electrical properties. Through a combination of solution-shearing deposition and directionally applied solvent treatments, poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) thin films with metallic-like conductivities can be obtained with high power factors in excess of 800 µW m^-1 K^-2. X-ray scattering and absorption data indicate that structural alignment of PEDOT chains and larger-sized domains are responsible for the enhanced electrical conductivity. Overall, it is expected that further enhancements to the power factor can be obtained through device geometry and postdeposition solvent shearing optimization.

View Accepted Manuscript (DOE)

Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: National Science Foundation (NSF); USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC02-76SF00515; SC0016523

OSTI ID:: 1768206

Alternate ID(s):: OSTI ID: 1804236

Journal Information:: Advanced Electronic Materials, Journal Name: Advanced Electronic Materials Journal Issue: 3 Vol. 7; ISSN 2199-160X

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
PEDOT
PEDOT:PSS
energy harvesting
organic electronic
power factor
thermoelectrics

Achieving High Thermoelectric Performance and Metallic Transport in Solvent-Sheared PEDOT:PSS

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