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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.

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Volltext §
DOI: 10.5445/KSP/1000046874
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Coverbild
Zugehörige Institution(en) am KIT Lichttechnisches Institut (LTI)
Publikationstyp Hochschulschrift
Jahr 2015
Sprache Englisch
Identifikator ISBN: 978-3-7315-0370-5
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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