Mainz 2017 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 12: Posters 2: Molecular Dynamics, Clusters, and High Resolution Spectroscopy

MO 12.14: Poster

Mittwoch, 8. März 2017, 17:00–19:00, P OG1

Cryogenic Matrix Isolation FTIR Spectroscopy with Diamond Beam Splitter. — •Dmitry Strelnikov¹, Bastian Kern², Christoph Sürgers³, and Manfred Kappes¹ — ¹Physikalische Chemie, KIT, Karlsruhe, Germany — ²MPI for Solid State Research, Stuttgart, Germany — ³Physikalisches Institut, KIT, Karlsruhe, Germany

FTIR spectroscopy is a robust technique to obtain broad band spectra of various species. In case of valuable samples, which can be kept only at cryogenic temperatures and require long preparation time, one would like to measure in all accessible spectral regions. To extend the spectroscopic measurement range from Far-IR to near-IR a synthetic diamond beam splitter without compensator plate and UHV diamond viewports were installed in a Bruker IFS66v/S FTIR spectrometer. We have also modified the IR detector chamber to allow measurements with 5 different detectors. We demonstrate performance of the upgraded FTIR spectrometer by presenting measurements of matrix isolated fullerene ions and an adhesive tape.