期刊
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
卷 49, 期 1, 页码 80-87出版社
WILEY
DOI: 10.1002/polb.22111
关键词
biological applications of polymers; biosensor; light-emitting diodes (LED); polymer LED; polymer photodiode; sensors; single-mode waveguide; spectrometer; spin coatings
资金
- European project SEMOFS [IST-FP6-016768]
Evanescent coupling is used to couple light from an organic Lambertian emitter into a single-mode planar waveguide. A polymer light emitting diode pumps a photoluminescent layer located directly on top of the waveguide. At the out-coupling grating stage, a fully organic mini-spectrometer compatible with monolithical integration on optical bio chips has been developed. It consists of a single-mode waveguide with integrated diffraction grating and a dense array of polymer photodiodes as sensing element. An overall spectral resolution of down to 5 nm has been achieved with the integrated optoelectronic system. As a proof of principle the fully organic optical device has been used in combination with a fluidic system to demonstrate an absorption-based bio-test with mouse immunoglobulin G. In a further step towards low-cost and disposable lab-on-chip biosensors, the mentioned organic building blocks have been combined with a surface plasmon stack integrated directly onto the single mode waveguide. (C) 2010 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 49: 80-87, 2011
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