Upconverter-powered oxygen sensing in electrospun polymeric bilayers

Upconverter-powered oxygen sensing in electrospun polymeric bilayers

[Display omitted] •Bilayer upconverting ceramic- and oxygen-sensitive composites were created.•NIR/980nm excitation led to localized 480nm ceramic-based upconversion.•480nm emission excited 625nm emission from the oxygen-sensitive layer.•Quantitative oxygen sensing via NIR excitation was confirmed.•...

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Veröffentlicht in:Sensors and actuators. B, Chemical Chemical, 2016-11, Vol.235, p.197-205
Hauptverfasser: Presley, Kayla F., Cheong, Soshan, Cochran, Alex, Tilley, Richard D., Collins, Josh E., Lannutti, John J.
Format: Artikel
Sprache:eng
Schlagworte:
Absorption
Detection
Electrooptical handshake
Electrospinning
Fibers
In vivo oxygen sensing
Nanofiber
Oxygen
Photons
Porphyrin
Sensors
Upconversion
Wavelengths
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Zusammenfassung:[Display omitted] •Bilayer upconverting ceramic- and oxygen-sensitive composites were created.•NIR/980nm excitation led to localized 480nm ceramic-based upconversion.•480nm emission excited 625nm emission from the oxygen-sensitive layer.•Quantitative oxygen sensing via NIR excitation was confirmed.•Rapid (
ISSN:0925-4005
1873-3077
DOI:10.1016/j.snb.2016.04.182