Novel enhancement techniques for ultra-high-performance conformal wireless sensors and 'smart skins' utilizing inkjet-printed graphene

Taoran Le, Ziyin Lin, C. P. Wong, M. M. Tentzeris

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    4 Citations (Scopus)

    Abstract

    We introduce various novel techniques for the performance enhancement of nanotechnology-enabled wireless platforms utilizing inkjet-printed graphene thin films, especially for gas sensing applications in this paper. Compared to previously reported results (6% sensitivity after exposure to 500 ppm NH 3), we have improved the performance by nearly a factor of 10, increasing the sensitivity to 4.8% at 60 ppm. Key advancements to the reduced graphene oxide (rGO) thin film include: (i) drastically reduced (micron to nm) film thickness via surface modification techniques, specifically enhancing charge transport properties, and (ii) increased porosity obtained via a unique in-house developed nano-patterning process. The proposed graphene-based thin film approach could set the foundation for a plethora of novel wireless sensing and gas-reconfigurable communication platforms.

    Original languageEnglish
    Title of host publication2013 IEEE 63rd Electronic Components and Technology Conference, ECTC 2013
    Pages1640-1643
    Number of pages4
    DOIs
    Publication statusPublished - 2013
    Publication typeA4 Article in conference proceedings
    Event2013 IEEE 63rd Electronic Components and Technology Conference, ECTC 2013 - Las Vegas, NV, United States
    Duration: 28 May 201331 May 2013

    Conference

    Conference2013 IEEE 63rd Electronic Components and Technology Conference, ECTC 2013
    Country/TerritoryUnited States
    CityLas Vegas, NV
    Period28/05/1331/05/13

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Electronic, Optical and Magnetic Materials

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