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Photonic Crystal Based Sensor for Organic Solvents and for Solvent-Water Mixtures

Fenzl, Christoph, Hirsch, Thomas and Wolfbeis, Otto S. (2012) Photonic Crystal Based Sensor for Organic Solvents and for Solvent-Water Mixtures. Sensors 12 (12), pp. 16954-16963.

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Abstract

Monodisperse polystyrene nanoparticles with a diameter of 173 nm were incorporated into a polydimethylsiloxane matrix where they display an iridescent color that can be attributed to the photonic crystal effect. The film is of violet color if placed in plain water, but turns to red in the presence of the non-polar solvent n-hexane. Several solvents were studied in some detail. We show that such ...

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Item type:Article
Date:12 December 2012
Additional Information (public):Special Issue: State-of-the-Art Sensors Technology in Germany 2012
Institutions:Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik > Chemo- und Biosensorik (Prof. Antje J. Bäumner, formerly Prof. Wolfbeis)
Projects:Open Access Publizieren (DFG)
Identification Number:
ValueType
10.3390/s121216954DOI
Keywords:photonic crystal; sensor; PDMS; solvent polarity; water sensor
Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:27511
Owner only: item control page

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