Miniaturized chemical imaging sensor system using an OLED display panel

Ko Ichiro Miyamoto; Kazumi Kaneko; Akira Matsuo; Torsten Wagner; Shin'Ichiro Kanoh; Michael J. Schöning; Tatsuo Yoshinobu

doi:10.1016/j.snb.2011.02.029

Miniaturized chemical imaging sensor system using an OLED display panel

Ko Ichiro Miyamoto, Kazumi Kaneko, Akira Matsuo, Torsten Wagner, Shin'Ichiro Kanoh, Michael J. Schöning, Tatsuo Yoshinobu

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

The chemical imaging sensor is a semiconductor-based chemical sensor that can visualize the two-dimensional distribution of specific ions or molecules in the solution. In this study, we developed a miniaturized chemical imaging sensor system with an OLED display panel as a light source that scans the sensor plate. In the proposed configuration, the display panel is placed directly below the sensor plate and illuminates the back surface. The measured area defined by illumination can be arbitrarily customized to fit the size and the shape of the sample to be measured. The waveform of the generated photocurrent, the current-voltage characteristics and the pH sensitivity were investigated and pH imaging with this miniaturized system was demonstrated.

Original language	English
Pages (from-to)	82-87
Number of pages	6
Journal	Sensors and Actuators, B: Chemical
Volume	170
DOIs	https://doi.org/10.1016/j.snb.2011.02.029
Publication status	Published - 2012 Jul 31
Externally published	Yes

Keywords

Chemical imaging sensor
LAPS
Light-addressable potentiometric sensor
Organic light-emitting diode display

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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Cite this

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abstract = "The chemical imaging sensor is a semiconductor-based chemical sensor that can visualize the two-dimensional distribution of specific ions or molecules in the solution. In this study, we developed a miniaturized chemical imaging sensor system with an OLED display panel as a light source that scans the sensor plate. In the proposed configuration, the display panel is placed directly below the sensor plate and illuminates the back surface. The measured area defined by illumination can be arbitrarily customized to fit the size and the shape of the sample to be measured. The waveform of the generated photocurrent, the current-voltage characteristics and the pH sensitivity were investigated and pH imaging with this miniaturized system was demonstrated.",

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AU - Wagner, Torsten

AU - Kanoh, Shin'Ichiro

AU - Schöning, Michael J.

AU - Yoshinobu, Tatsuo

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