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Organic Electroluminescent Sensor for Pressure Measurement
AbstractWe 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.
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Matsuda, Y.; Ueno, K.; Yamaguchi, H.; Egami, Y.; Niimi, T. Organic Electroluminescent Sensor for Pressure Measurement. Sensors 2012, 12, 13899-13906.View more citation formats
Matsuda Y, Ueno K, Yamaguchi H, Egami Y, Niimi T. Organic Electroluminescent Sensor for Pressure Measurement. Sensors. 2012; 12(10):13899-13906.Chicago/Turabian Style
Matsuda, Yu; Ueno, Kaori; Yamaguchi, Hiroki; Egami, Yasuhiro; Niimi, Tomohide. 2012. "Organic Electroluminescent Sensor for Pressure Measurement." Sensors 12, no. 10: 13899-13906.