Low-Cost Sensing Platforms Based on Tunable 1D Photonic Crystals Integrated with Organic Light-Emitting Diodes and Photodetectors

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Herein, we present an innovative detection platform based on utilizing 1D PCs as responsive multilayers for intensity modulation of narrow-band light sources, namely, organic light-emitting diodes (OLEDs), as shown in Figure 1. The tunable range for the stop band modulation lies in the visible region and can thus be detected in a straightforward and inexpensive fashion by a visible-light organic photodetector. We propose a route towards the bottom-up assembly of a fully functional, integrated miniature platform with the resolution exceeding the capabilities of most commercial spectrometers and show temperature, humidity, chemical and biological analyte detection.

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Journal: TechConnect Briefs
Volume: 2, Nanotechnology 2014: MEMS, Fluidics, Bio Systems, Medical, Computational & Photonics
Published: June 15, 2014
Pages: 439 - 442
Industry sector: Advanced Materials & Manufacturing
Topics: Photonic Materials & Devices
ISBN: 978-1-4822-5827-1