Transcription of Raman spectroscopy: Basic principles and applications
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Raman spectroscopy: Basic principles and applications
Christian HessRaman spectroscopy: Basic principles and applications Basic principles - Resonance Raman scattering - Surface Enhanced Raman Scattering (SERS) Instrumentation -Spectrometer- Excitation sources Raman in catalysis- In situ cells- In situ Raman (of working catalysts) Raman (1928) Basic principles - Resonance Raman scattering - Surface Enhanced Raman Scattering (SERS) Instrumentation -Spectrometer- Excitation sources Raman in catalysis- In situ cells- In situ Raman (of working catalysts)C. Hess, 2006 Why Raman spectroscopy?
grating Detector (CCD) sample sampling optics (objective, immersion probe) Notch filter • holographic notch filters p80% T of Raman light, 324 - 1339 nm available • single transmission grating p0 - 4400 cm-1 (multiplex) “clean”, no moving parts, high light throughput • cooled CCD (~ 40% QE) p400 - 1000 nm detection
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