Screen-Printed Electroluminescent Lamp Modified with Graphene Oxide as a Sensing Device

Abdulhadee Yakoh, Ruslan Álvarez-Diduk, Orawon Chailapakul, Arben Merkoçi

    Research output: Contribution to journalArticleResearchpeer-review

    11 Citations (Scopus)

    Abstract

    Copyright © 2018 American Chemical Society. A screen-printed electroluminescent display with different sensing capabilities is presented. The sensing principle is based on the direct relationship between the light intensity of the lamp and the conductivity of the external layers. The proposed device is able to detect the ionic concentration of any conductive species. Using both top and bottom emission architectures, for the first time, a humidity sensor based on electroluminescent display functionalized by a graphene oxide nanocomposite is introduced. In this regard, just by coupling the display to a smartphone camera sensor, its potential was expanded for automatically monitoring human respiration in real time. Besides, the research includes a responsive display in which the light is spatially turned on in response to pencil drawing or any other conductive media. The above mentioned features together with the easiness of manufacturing and cost-effectiveness of this electroluminescent display can open up great opportunities to exploit it in sensing applications and point-of-care diagnosis.
    Original languageEnglish
    Pages (from-to)20775-20782
    JournalACS applied materials & interfaces
    Volume10
    Issue number24
    DOIs
    Publication statusPublished - 20 Jun 2018

    Keywords

    • breath control
    • electroluminescent lamp
    • graphene
    • screen printing
    • sensor
    • smartphone-based sensing

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