Polymer opto-chemical-electronic based module as a detection system for volatile analytes on a foil substrate

Indranil Bose; Anna Ohlander; Matthias I. J. Stich; Christian Kiesl; Dieter Hemmetzberger; Gerhard Klink; Sabine Trupp; Karlheinz Bock

doi:10.1117/12.929821

15 October 2012 Polymer opto-chemical-electronic based module as a detection system for volatile analytes on a foil substrate

Indranil Bose, Anna Ohlander, Matthias I. J. Stich, Christian Kiesl, Dieter Hemmetzberger, Gerhard Klink, Sabine Trupp, Karlheinz Bock

Author Affiliations +

Proceedings Volume 8479, Organic Semiconductors in Sensors and Bioelectronics V; 84790C (2012) https://doi.org/10.1117/12.929821
Event: SPIE Organic Photonics + Electronics, 2012, San Diego, California, United States

Abstract

In this paper, we report on a novel device that addresses the needs for an efficient, field deployable and disposable system in the field of bio-chemical sensors using organic semiconductors. The Fraunhofer Institute has enabled a complete roll-to-roll manufactured polymer-opto-chemical-electronic module on a foil substrate, wherein an electroluminescent light source has been hetero-integrated together with an organic TFT, working as a photo detector. A chemically sensitive, colour changing film is sandwiched in between the two elements to form an optical detection system for volatile analytes such as amines. The setup, henceforth referred to as the “PolyOpto” module, comprises of a dye coated layer that can detect specific chemical reactions by colour change inserted in between the EL light source and the OTFT photo-detector. A hole is laser cut through the system to allow the sensor layer to come in contact with the gases, which then through a chemical reaction, changes colour and initiates a different response in the output of the organic transistor. Hence, this allows for a disposable chemo-analytical system that can be used in various application fields. As compared to conventional systems, the advantage here lies in the direct integration of the different functionalities without any advanced assembly steps, simultaneous use of coatings for both components (transparent electrode and wiring layer) and roll-to-roll compatibility, thus rendering a disposable system. We believe that it aptly demonstrates the capabilities of polytronics in functional integration for low-cost bio-sensor manufacturing.

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Indranil Bose, Anna Ohlander, Matthias I. J. Stich, Christian Kiesl, Dieter Hemmetzberger, Gerhard Klink, Sabine Trupp, and Karlheinz Bock "Polymer opto-chemical-electronic based module as a detection system for volatile analytes on a foil substrate", Proc. SPIE 8479, Organic Semiconductors in Sensors and Bioelectronics V, 84790C (15 October 2012); https://doi.org/10.1117/12.929821

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