Printed photonics for lab-on-chip applications

Roland Pieler; Erwin Füreder; Max Sonnleitner

doi:10.1117/12.738261

7 November 2007 Printed photonics for lab-on-chip applications

Roland Pieler, Erwin Füreder, Max Sonnleitner

Proceedings Volume 6739, Electro-Optical Remote Sensing, Detection, and Photonic Technologies and Their Applications; 673919 (2007) https://doi.org/10.1117/12.738261
Event: Optics/Photonics in Security and Defence, 2007, Florence, Italy

Abstract

The development of commercial portable lab-on-chip (LOC) applications based on optical detection is hindered by the lack of imaging systems that can be directly integrated into the chip itself. Currently, fluorescence/luminescence signals are read out with power-hungry, bulky and expensive off-chip imaging systems, like CCD cameras or photomultiplier tubes. Here we present an enabling technology that for the first time allows cheap and easy integration of imaging systems directly into disposable lab-on-chip systems. Our technology is based on organic semiconductor materials that can be processed in liquid form by inkjet printing, in a process much faster and cheaper than the complicated fabrication of silicon-based imaging sensors. Organic photosensors can be printed on various substrate materials like plastic foil or glass or directly onto lab-on-chip systems. The ultrathin photodiodes with an overall thickness of only 300 to 500 nm show quantum efficiencies better than 0.5 and linear light-response over 6 orders of magnitude. The pixel size can range from 50 to over 1000 μm and inkjet fabrication allows tailoring the sensor layout to the needs of the specific application.

Citation Download Citation

Roland Pieler, Erwin Füreder, and Max Sonnleitner "Printed photonics for lab-on-chip applications", Proc. SPIE 6739, Electro-Optical Remote Sensing, Detection, and Photonic Technologies and Their Applications, 673919 (7 November 2007); https://doi.org/10.1117/12.738261

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