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Procedia Engineering
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Procedia Engineering
Article . 2011
License: CC BY NC ND
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Sensors and Actuators B Chemical
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High speed and high resolution chemical imaging based on a new type of OLED-LAPS set-up

Authors: Werner, Frederik (Dipl.-Ing.); Wagner, Torsten (Prof. Dr. rer. nat.); Miyamoto, Ko-ichiro; Yoshinobu, Tatsuo; Schöning, Michael Josef (Prof. Dr.-Ing.);

High speed and high resolution chemical imaging based on a new type of OLED-LAPS set-up

Abstract

AbstractA light-addressable potentiometric sensor (LAPS) is a field-effect based sensor. With a modulated light source, spatially resolved measurements of chemical species can be performed and chemical images can be generated. The modulated light source is used to define the particular measurement spot and to achieve spatially resolved signals. In this work, an organic-LED (OLED) display has been chosen as a light source. This allows a high measurement resolution and miniaturisation of the system. A new developed driving method for the OLED display for optimised LAPS-based measurements is shown, which is possible to define modulation frequencies between 1kHz and 16kHz and to reduce the measurement time of a chemical image by a factor of 40.

Country
Germany
Keywords

chemical imaging sensor, OLED display, Engineering(all), light-addressable potentiometric sensor

  • BIP!
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    selected citations
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    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    25
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
25
Top 10%
Top 10%
Average
gold