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0.7-GHz Solution-Processed Indium Oxide Rectifying Diodes
Tampere Univ, Finland.
Tampere Univ, Finland.
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.
Tampere Univ, Finland.
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2020 (English)In: IEEE Transactions on Electron Devices, ISSN 0018-9383, E-ISSN 1557-9646, Vol. 67, no 1, p. 360-364Article in journal (Refereed) Published
Abstract [en]

Solution-based deposition, with its simplicity and possibility for upscaling through printing, is a promising process for low-cost electronics. Metal oxide semiconductor devices, especially indium oxide with its excellent electrical properties, offer high performance compared to amorphous Si-based rivals, and with a form factor conducive to flexible and wearable electronics. Here, rectifying diodes based on an amorphous spin-coated indium oxide are fabricated for high-speed applications. We report a solution-processed diode approaching the UHF range, based on indium oxide, with aluminum and gold as the electrodes. The device was spin-coated from a precursor material and configured into a half-wave rectifier. The J-V and frequency behavior of the diodes were studied, and the material composition of the diode was investigated by X-ray photoemission spectroscopy (XPS). The 3-dB point was found to be over 700 MHz. The results are promising for the development of autonomously powered wireless Internet-of-Things systems based on scalable, low-cost processes.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2020. Vol. 67, no 1, p. 360-364
Keywords [en]
High-frequency rectifying diodes; metal oxide semiconductors; solution-processed indium oxide
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:liu:diva-163368DOI: 10.1109/TED.2019.2954167ISI: 000506578900055OAI: oai:DiVA.org:liu-163368DiVA, id: diva2:1391073
Note

Funding Agencies|TekesFinnish Funding Agency for Technology & Innovation (TEKES) [PAUL 40146/14]; Austrian Research FoundationAustrian Science Fund (FWF) [Self-PoSH 856940]

Available from: 2020-02-03 Created: 2020-02-03 Last updated: 2020-02-03

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