IR-UV Spectroscopy of Chromophores with p-Systems.pdf

IR-UV Spectroscopy of Chromophores with p-Systems

Matthias Busker

Resonance Enhanced Multi Photon Ionization (REMPI) and IR-UV Double Resonance Spectroscopy in molecular beams in combination with Time of Flight mass spectrometry enable the mass and even isomer selective recording of cold UV and IR spectra. By comparing the gained spectra to adapted Quantum chemical calculations, the electronic and geometric structures of molecules, clusters and larger clusters resembling nano-crystallites can be unveiled.

Introduction to UV/Vis spectroscopy. ... Absorption in the visible region ... release that energy shortly after, the released photon will most likely be a wavelength in the UV spectrum. ... Special filters block the visible and IR wavelengths and let the UV through. ... So we're talking about four p orbitals here or four atomic orbitals.

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IR-UV Spectroscopy of Chromophores with p-Systems.pdf

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