Compact setup for SIMO measurements of slab interconnects and correlation with PEDOT:PSS nanostructure morphology

Reid Watanabe; David Nelson; Shaya Nirenberg; Luat T. Vuong

doi:10.1117/12.2559034

20 May 2020 Compact setup for SIMO measurements of slab interconnects and correlation with PEDOT:PSS nanostructure morphology

Reid Watanabe, David Nelson, Shaya Nirenberg, Luat T. Vuong

Author Affiliations +

Proceedings Volume 11389, Micro- and Nanotechnology Sensors, Systems, and Applications XII; 113892X (2020) https://doi.org/10.1117/12.2559034
Event: SPIE Defense + Commercial Sensing, 2020, Online Only

Abstract

We demonstrate a compact, portable and reliable, poor-man’s 8-channel interconnect and measure, in the 50- 100MHz VHF radiofrequency range, the path-dependent voltage transfer function across drop-cast poly(3,4- ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS). The setup may be inexpensively deployed for single-input-multiple-output (SIMO) self-sensing materials with computational impedance tomography algorithms. We test our setup with PEDOT:PSS samples that are dried in a static magnetic field. These samples exhibit anisotropic electrical conductivities and nanostructure morphologies. Voltages across the sample vary 2dB as a result of this anisotropy. This processing-dependent anisotropy of PEDOT:PSS may be useful in future efforts aimed at deconvolving the path-dependent electrical tomography measurements, as necessary for such a sensing system.

Citation Download Citation

Reid Watanabe, David Nelson, Shaya Nirenberg, and Luat T. Vuong "Compact setup for SIMO measurements of slab interconnects and correlation with PEDOT:PSS nanostructure morphology", Proc. SPIE 11389, Micro- and Nanotechnology Sensors, Systems, and Applications XII, 113892X (20 May 2020); https://doi.org/10.1117/12.2559034

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