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DOI: 10.5445/KSP/1000046874
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Organic Semiconductor Lasers and Tailored Nanostructures for Raman Spectroscopy

Liu, Xin

Abstract:
This work presents the application of organic semiconductor distributed feedback laser as free-space excitation source in Raman spectroscopy. Surface-enhanced Raman scattering effect is exploited to improve the detection sensitivity. The SERS condition is achiedved by using substrates consisting of gold-coated polymeric nanopillar arrays. The organic-laser-excited SERS measurements are applied to verify the concentration variation of biomolecule adenosine in aqueous solutions.

Abstract (englisch):
This work presents the application of organic semiconductor distributed feedback laser as free-space excitation source in Raman spectroscopy. Surface-enhanced Raman scattering effect is exploited to improve the detection sensitivity. The SERS conditionis achiedved by using substrates consisting of gold-coated polymeric nanopillar arrays. The organic-laser-excited SERS measurements are applied to verify the concentration variation of biomolecule adenosine in aqueous solutions.


Zugehörige Institution(en) am KIT Lichttechnisches Institut (LTI)
Publikationstyp Hochschulschrift
Jahr 2015
Sprache Englisch
Identifikator ISBN: 978-3-7315-0370-5
URN: urn:nbn:de:0072-468742
KITopen ID: 1000046874
Verlag KIT Scientific Publishing, Karlsruhe
Umfang VIII, 228 S.
Abschlussart Dissertation
Fakultät Fakultät für Elektrotechnik und Informationstechnik (ETIT)
Institut Lichttechnisches Institut (LTI)
Prüfungsdaten 11.02.2015
Referent/Betreuer Prof. U. Lemmer
Schlagworte Organischer Halbleiter, DFB-Laser, oberflächenverstärkte Raman-Spektroskopie, Lab-on-Chip organic semiconductor, DFB-laser, surface-enhanced Raman spectroscopy, lab-on-a-chip
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