Screen-printed electroluminescent lamp modified with graphene oxide as a sensing device

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(Institut Català de Nanociència i Nanotecnologia)
Chailapakul, Orawon (Chulalongkorn University)
Merkoçi, Arben

(Institut Català de Nanociència i Nanotecnologia)

Data:	2018
Resum:	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.
Ajuts:	European Commission 785219 Ministerio de Economía y Competitividad SEV-2013-0295
Drets:	Tots els drets reservats.
Llengua:	Anglès
Document:	Article ; recerca ; Versió acceptada per publicar
Matèria:	Breath control ; Electroluminescent lamp ; Graphene ; Screen printing ; Sensor ; Smartphone-based sensing
Publicat a:	ACS applied materials & interfaces, Vol. 10, issue 24 (June 2018) , p. 20775-20782, ISSN 1944-8252

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Registre creat el 2019-03-01, darrera modificació el 2022-09-10