Instrumentation
Instrumentation of AG Voskuhl and AG Giese (S07 S04)
The Voskuhl and Giese work groups share the equipment pool in S07 S04. If you are interested in using an instrument or equipment, please contact the corresponding working group directly!
Spectroscopy and light sources
AG Voskuhl

Integrating sphere for the determination of absolute photoluminescence quantum yields in solution as solid or in polymeric matrices at room temperature and at 77K.
AG Voskuhl

Fluorescence spectrometer for the determination of excitation and emission spectra in solution and as solid samples.
AG Voskuhl

Integrating sphere as built in setup for the Shimadzu RF6000 to measure absolute quantum yields of solutions.
AG Giese

Fluorescence spectrometer for the determination of excitation and emission spectra of solid samples including a self-constructed heating state to heat solid samples to up to 200°C.
AG Voskuhl

Emission lifetime spectrometer to detect short (ps) or ultralong (ms) emission decay using either TCSPC or MSC mode. Five different laser diodes are available for excitation.
AG Giese

ATR-Infrared spectrometer for the measurement of solid samples.
AG Giese

Deuterium-Halogen light source with different detectors.
AG Voskuhl

UV-Vis spectrometer for the determination of absorption spectra of solutions and solids using an integrated sphere.
AG Voskuhl

High energy UV-LED lamp (365 nm) with tuneable intensity and precise irradiation time monitoring.
AG Voskuhl

Halogen lamp with flexible head and different filters for sample irradiation.
AG Voskuhl

Different homemade high power LEDs with different wavelengths.
AG Voskuhl

Light intensity measurement setup for red light.
AG Voskuhl

Light intensity measurement setup for the whole visible range.
Chromatography
AG Voskuhl

Preparative MPLC system for the purification of chemical compounds using reverse phase conditions (RP18).
AG Voskuhl

Preparative HPLC system for the purification of chemical compounds under normal phase conditions.
AG Giese

Analytical HPLC system for determination of purity of chemical compounds under normal phase conditions.
AG Voskuhl

Analytical HPLC (normal phase and reverse phase) system for determination of purity of chemical compounds.
AG Voskuhl

Analytical HPLC system for determination of purity of chemical compounds under normal phase conditions.
Microscopy
AG Giese

Polarized optical microscope heating/cooling stage and camera for the investigation of liquid crystalline materials.
AG Giese

Polarized optical microscope with external heating/cooling stage and camera for the investigation of liquid crystalline materials.
AG Voskuhl

Optical stereo microscope with high speed camera and 365 nm ring light excitation for investigation of materials.
AG Voskuhl

Fluorescence microscope with 365 nm excitation and external camera.
Material Analysis
AG Voskuhl

Dynamic light scattering and zeta potential analysis of particles and supramolecular structures.
AG Giese

Rheometer for the determination of physico-chemical parameters such as influence of shear stress on gels and polymers.
AG Voskuhl

Isothermal titration calorimeter to determine binding events in aqueous media.
AG Giese

Differential scanning calorimeter for the determination of phase transition temperatures and energies.
AG Giese

Ball mill for solvent free reactions and homogenization.
AG Voskuhl

Spincoater with different sample holders and vacuum pump for the fabrication of thin films.
Miscellaneous
AG Voskuhl

Benchtop laboratory centrifuge with inlet for capped glass tubes.
AG Voskuhl

High precision balance.
AG Voskuhl

Self-constructed photoreactor with two wavelengths (365 and 440 nm) with heating and steering function.
AG Voskuhl

Laboratory microwave with pressure head for small scale organic syntheses.
AG Voskuhl

Freeze Dryer to remove water and to obtain ultradry compounds.
AG Voskuhl

Freeze Dryer to remove water and to obtain ultradry compounds.
AG Voskuhl

Water purification system to obtain MilliQ water quality.
AG Voskuhl

Large scale laboratory microwave for organic syntheses.
AG Voskuhl

Melting point determination of solids.