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Designing Inverters Based on Screen Printed Organic Electrochemical Transistors Targeting Low-Voltage and High-Frequency Operation
Linköping University, Sweden.
Linköping University, Sweden.
RISE Research Institutes of Sweden, Digital Systems, Smart Hardware.
Linköping University, Sweden.
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2021 (English)In: Advanced Materials Technologies, E-ISSN 2365-709X, Vol. 6, no 12, article id 2100555Article in journal (Refereed) Published
Abstract [en]

Low-voltage operating organic electronic circuits with long-term stability characteristics are receiving increasing attention because of the growing demands for power efficient electronics in Internet of Things applications. To realize such circuits, inverters, the fundamental constituents of many circuits, with stable transfer characteristics should be designed to provide low-power consumption. Here, a rational inverter design, based on fully screen printed p-type organic electrochemical transistors with a channel size of 150 × 80 µm2, is explored for driving conditions with input voltage levels that differs of about 1 V. Further, three different inverter circuits are explored, including resistor ladders with resistor values ranging from tens of kΩ to a few MΩ. The performance of single inverters, 3-stage cascaded inverters and 3-stage ring oscillators are characterized with respect to output voltage levels, propagation delay, static power consumption, voltage gain, and operational frequency window. Depending on the application, the key performance parameters of the inverter can be optimized by the specific combination of the input voltage levels and the resistor ladder values. A few of the inverters are in fact fully functional up to 30 Hz, even when using input voltage levels as low as (0 V, 1 V). © 2021 The Authors.

Place, publisher, year, edition, pages
John Wiley and Sons Inc , 2021. Vol. 6, no 12, article id 2100555
Keywords [en]
inverters, organic electrochemical transistors, organic electronics, PEDOT:PSS, printed electronics, Electric power utilization, Ladder networks, Ladders, Low power electronics, Resistors, High frequency operation, Key performance parameters, Long term stability, Low-power consumption, Operational frequency, Static power consumption, Transfer characteristics, Electric inverters
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:ri:diva-56094DOI: 10.1002/admt.202100555Scopus ID: 2-s2.0-85111652432OAI: oai:DiVA.org:ri-56094DiVA, id: diva2:1588010
Note

Funding details: Stiftelsen för Strategisk Forskning, SSF, SE13‐0045; Funding details: Knut och Alice Wallenbergs Stiftelse; Funding details: Horizon 2020, 825339; Funding details: Wallenberg Wood Science Center, WWSC; Funding text 1: This work has received funding from the Swedish foundation for Strategic Research (Silicon‐Organic Hybrid Autarkic Systems, Reference number: SE13‐0045), the Knut and Alice Wallenberg Foundation (Wallenberg Wood Science Center and Wallenberg Scholars) and the European Union's Horizon 2020 research and innovation programme under grant agreement No 825339. MB gratefully acknowledges support from the Önnesjö Foundation.

Available from: 2021-08-26 Created: 2021-08-26 Last updated: 2024-03-22Bibliographically approved

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