Organic Electroluminescent Sensor for Pressure Measurement

مستشعر كهرضيائي عضوي لقياس الضغط

Clicks: 220
ID: 110200
2012
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Abstract
We have proposed a novel concept of a pressure sensor called electroluminescent pressure sensor (ELPS) based on oxygen quenching of electroluminescence. The sensor was fabricated as an organic light-emitting device (OLED) with phosphorescent dyes whose phosphorescence can be quenched by oxygenmolecules, and with a polymer electrode which permeates oxygen molecules. The sensor was a single-layer OLED with Platinum (II) octaethylporphine (PtOEP) doped into poly(vinylcarbazole) (PVK) as an oxygen sensitive emissive layer and poly(3,4-ethylenedioxythiophene) mixed with poly(styrenesulfonate) (PEDOT:PSS) as an oxygen permeating polymer anode. The pressure sensitivity of the fabricated ELPS sample was equivalent to that of the sensor excited by an illumination light source. Moreover, the pressure sensitivity of the sensor is equivalent to that of conventional pressure-sensitive paint (PSP), which is an optical pressure sensor based on photoluminescence.
لقد اقترحنا مفهومًا مبتكرًا لمستشعر ضغط يُدعى مستشعر الضغط بالتلألؤ الكهربائي (ELPS)، قائمًا على إخماد التلألؤ الكهربائي بواسطة الأكسجين. صُنِّع المستشعر كنبيطة عضوية باعثة للضوء (OLED) باستخدام صبغات فسفورية يمكن إخماد فسفورتها بواسطة جزيئات الأكسجين، وبقطب بوليمري مُنفّذ لجزيئات الأكسجين. وكان المستشعر عبارة عن نبيطة OLED أحادية الطبقة استُخدم فيها بلاتين (II) أوكتا إيثيل بورفين (PtOEP) مُطعَّمًا في بولي (فينيل كاربازول) (PVK) كطبقة باعثة حساسة للأكسجين، وبولي (4،3-إيثيلين ثنائي أوكسي ثيوفين) ممزوجًا ببولي (ستيرين سلفونات) (PEDOT:PSS) كمصعد بوليمري مُنفّذ للأكسجين. وكانت حساسية الضغط لعينة ELPS المُصنَّعة مكافئة لحساسية المستشعر المُثار بمصدر إضاءة خارجي. علاوة على ذلك، فإن حساسية المستشعر للضغط تُكافئ تلك الخاصة بالطلاء التقليدي الحساس للضغط (PSP)، وهو مستشعر ضغط بصري يعتمد على التلألؤ الضوئي.
Reference Key
matsuda2012sensorsorganic Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yu Matsuda;Kaori Ueno;Hiroki Yamaguchi;Yasuhiro Egami;Tomohide Niimi;Matsuda, Yu;Ueno, Kaori;Yamaguchi, Hiroki;Egami, Yasuhiro;Niimi, Tomohide;
Journal sensors
Year 2012
DOI
10.3390/s121013899
URL
https://www.mdpi.com/1424-8220/12/10/13899##framed_div_cited_count
Keywords
oxygen sensor optical sensor pressure-sensitive paint oxygen quenching organic electroluminescence National Center for Biotechnology Information NCBI NLM MEDLINE pubmed abstract nih national institutes of health national library of medicine research support non-u.s. gov't equipment design oxygen / analysis* luminescent measurements pmid:23202027 pmc3545598 doi:10.3390/s121013899 yu matsuda kaori ueno tomohide niimi atmospheric pressure* biosensing techniques / instrumentation* electrodes electrophysiological phenomena microtechnology

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