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

ACS Applied Materials & Interfaces
Abdulhadee YakohArben Merkoçi

Abstract

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.

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Citations

Aug 6, 2019·Advanced Science·Eui Hyuk KimCheolmin Park
Sep 11, 2019·Nanomaterials·Daniel JanczakMałgorzata Jakubowska
Apr 28, 2020·ACS Applied Materials & Interfaces·Abdulhadee YakohNattaya Ngamrojanavanich

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