All solution-processed micro-structured flexible electrodes for low-cost light-emitting pressure sensors fabrication

Abstract Recent studies have demonstrated the advantage of developing pressure-sensitive devices with light-emitting properties for direct visualization of pressure distribution, potential application to next generation touch panels and human-machine interfaces. To ensure that this technology is ava...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Rie Shimotsu, Takahiro Takumi, Varun Vohra
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b0436d5bae46494da62f8dd7fc95a45c
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:b0436d5bae46494da62f8dd7fc95a45c
record_format	dspace
spelling	oai:doaj.org-article:b0436d5bae46494da62f8dd7fc95a45c2021-12-02T11:52:59ZAll solution-processed micro-structured flexible electrodes for low-cost light-emitting pressure sensors fabrication10.1038/s41598-017-07284-82045-2322https://doaj.org/article/b0436d5bae46494da62f8dd7fc95a45c2017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-07284-8https://doaj.org/toc/2045-2322Abstract Recent studies have demonstrated the advantage of developing pressure-sensitive devices with light-emitting properties for direct visualization of pressure distribution, potential application to next generation touch panels and human-machine interfaces. To ensure that this technology is available to everyone, its production cost should be kept as low as possible. Here, simple device concepts, namely, pressure sensitive flexible hybrid electrodes and OLED architecture, are used to produce low-cost resistive or light-emitting pressure sensors. Additionally, integrating solution-processed self-assembled micro-structures into the flexible hybrid electrodes composed of an elastomer and conductive materials results in enhanced device performances either in terms of pressure or spatial distribution sensitivity. For instance, based on the pressure applied, the measured values for the resistances of pressure sensors range from a few MΩ down to 500 Ω. On the other hand, unlike their evaporated equivalents, the combination of solution-processed flexible electrodes with an inverted OLED architectures display bright green emission when a pressure over 200 kPa is applied. At a bias of 3 V, their luminance can be tuned by applying a higher pressure of 500 kPa. Consequently, features such as fingernails and fingertips can be clearly distinguished from one another in these long-lasting low-cost devices.Rie ShimotsuTakahiro TakumiVarun VohraNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Rie Shimotsu Takahiro Takumi Varun Vohra All solution-processed micro-structured flexible electrodes for low-cost light-emitting pressure sensors fabrication
description	Abstract Recent studies have demonstrated the advantage of developing pressure-sensitive devices with light-emitting properties for direct visualization of pressure distribution, potential application to next generation touch panels and human-machine interfaces. To ensure that this technology is available to everyone, its production cost should be kept as low as possible. Here, simple device concepts, namely, pressure sensitive flexible hybrid electrodes and OLED architecture, are used to produce low-cost resistive or light-emitting pressure sensors. Additionally, integrating solution-processed self-assembled micro-structures into the flexible hybrid electrodes composed of an elastomer and conductive materials results in enhanced device performances either in terms of pressure or spatial distribution sensitivity. For instance, based on the pressure applied, the measured values for the resistances of pressure sensors range from a few MΩ down to 500 Ω. On the other hand, unlike their evaporated equivalents, the combination of solution-processed flexible electrodes with an inverted OLED architectures display bright green emission when a pressure over 200 kPa is applied. At a bias of 3 V, their luminance can be tuned by applying a higher pressure of 500 kPa. Consequently, features such as fingernails and fingertips can be clearly distinguished from one another in these long-lasting low-cost devices.
format	article
author	Rie Shimotsu Takahiro Takumi Varun Vohra
author_facet	Rie Shimotsu Takahiro Takumi Varun Vohra
author_sort	Rie Shimotsu
title	All solution-processed micro-structured flexible electrodes for low-cost light-emitting pressure sensors fabrication
title_short	All solution-processed micro-structured flexible electrodes for low-cost light-emitting pressure sensors fabrication
title_full	All solution-processed micro-structured flexible electrodes for low-cost light-emitting pressure sensors fabrication
title_fullStr	All solution-processed micro-structured flexible electrodes for low-cost light-emitting pressure sensors fabrication
title_full_unstemmed	All solution-processed micro-structured flexible electrodes for low-cost light-emitting pressure sensors fabrication
title_sort	all solution-processed micro-structured flexible electrodes for low-cost light-emitting pressure sensors fabrication
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/b0436d5bae46494da62f8dd7fc95a45c
work_keys_str_mv	AT rieshimotsu allsolutionprocessedmicrostructuredflexibleelectrodesforlowcostlightemittingpressuresensorsfabrication AT takahirotakumi allsolutionprocessedmicrostructuredflexibleelectrodesforlowcostlightemittingpressuresensorsfabrication AT varunvohra allsolutionprocessedmicrostructuredflexibleelectrodesforlowcostlightemittingpressuresensorsfabrication
_version_	1718394947412951040

All solution-processed micro-structured flexible electrodes for low-cost light-emitting pressure sensors fabrication

Ejemplares similares