We make molecules.

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SAM · PuriFlash 4250

High-pressure flash chromatography and preparative HPLC system by Advion Interchim.

Responsible: Christoph Eschen · Hinrich Reller

• Flash chromatography and preparative HPLC capability
• 5 µm reversed-phase C18 HPLC column
• 10 µm normal-phase HPLC column
• Flow rate up to 250 mL/min
• Maximum pressure: 250 bar
• Gradient and isocratic separation
• Two column holders for flash and prep LC columns
• Dry load and high-volume liquid load
• DAD dual-wavelength UV detection: 200–600 nm
• Four racks

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BILBO · PuriFlash 430

Automated flash chromatography system by Advion Interchim.

Responsible: Christoph Eschen · Hinrich Reller

• Flow rate up to 200 mL/min
• Maximum pressure: 30 bar
• Gradient and isocratic separation
• Dry load and high-volume liquid load
• DAD dual-wavelength UV detection: 200–600 nm
• Four racks

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FRODO · PuriFlash XS520Plus

Compact high-flow flash chromatography system by Advion Interchim.

Responsible: Christoph Eschen · Hinrich Reller

• Flow rate up to 300 mL/min
• Maximum pressure: 20 bar
• Gradient and isocratic separation
• Dry load and high-volume liquid load
• DAD dual-wavelength UV detection: 200–800 nm
• Two racks

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Rotavap Stations

Four rotary evaporator stations for efficient solvent removal and concentration of reaction mixtures.

Responsible: Jonas Lobbel · Thore Klüwer

• Four Rotavap stations
• Four Julabo chillers with recirculating water/ethylene glycol coolant
• Several membrane pumps from Welch, Ilmvac and Büchi

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Karl Fischer Titration

Instrumental water-content determination for the accurate analysis of trace and bulk moisture in samples, solvents and reaction materials.

Responsible: Noah Wolf

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Microfluidics System

Microfluidic platform for precisely controlled fluid handling, mixing and reaction studies in small-volume channels.

Responsible: Thore Klüwer · Thuy Chinh Ta

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Molecular Modelling Server

Dedicated computational infrastructure for DFT calculations supporting the design and interpretation of molecular switches and functional emitters.

Responsible: Hinrich Reller · Noah Wolf

• Density functional theory calculations
• Gaussian installed
• ORCA installed
• Access to the CAU high-performance computing cluster
• Access to the NESH system

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3D Printer · Bambu Lab P1S

Enclosed 3D-printing system for producing research models, prototypes and custom laboratory utensils in a range of rigid and flexible materials.

Responsible: Christoph Eschen · Hinrich Reller

• Bambu Lab P1S with Automatic Material System (AMS)
• PLA filaments in a range of colours and material properties
• Flexible TPU filament for elastic components
• Research models and rapid prototypes
• Custom laboratory utensils and practical lab accessories

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Resin 3D Printer · Anycubic Photon Mono M5s

High-resolution resin 3D printer for producing detailed research models, precise prototypes and small custom components.

Responsible: Christoph Eschen · Hinrich Reller

• 10.1-inch monochrome 12K exposure screen (11,520 × 5,120 px)
• Printing volume: 218 × 123 × 200 mm
• Average printing speed up to 105 mm h⁻¹ with high-speed resin
• Leveling-free build platform with automatic device checks
• Matrix LED UV light source
• Suggested layer thickness: 0.01–0.15 mm
• USB and Wi-Fi connectivity

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Benchtop Centrifuge · Hettich Universal 320

Versatile benchtop centrifuge for routine sample separation and a broad range of laboratory workflows.

Responsible: Matt Wiebe

• Hettich Universal series, model 320
• Maximum speed: 16,000 rpm
• Maximum relative centrifugal force: 24,900 × g
• Storage for up to 10 programs

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UV–Vis Spectrometer · Cary 3500 Multicell

Agilent Technologies Cary 3500 Multicell UV–Vis spectrophotometer for simultaneous absorption measurements, photoswitching studies, kinetics and temperature-dependent optical characterization.

Responsible: Hinrich Reller

• Simultaneous data collection from eight cuvette positions
• Up to four independently controlled sample temperatures in one experiment
• Integrated air-cooled Peltier temperature control from −5 to 110 °C
• UV–Vis thermal ramps at up to 40 °C min⁻¹
• Solid-state digital Cary probes measure and control temperature inside each cuvette
• Highly collimated, uniform beam narrower than 1.5 mm for accurate small-volume measurements
• Stationary cell holders with permanent optical alignment

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Cyclic Voltammetry · Metrohm Autolab PGSTAT204

Cyclic voltammetry reveals oxidation and reduction potentials, electrochemical reversibility and redox stability, helping us understand the electronic properties of molecular switches and emitter materials.

Responsible: Christoph Eschen

• Compact PGSTAT204 potentiostat/galvanostat
• Maximum current: ±400 mA; compliance voltage: ±20 V
• Operation in 2-, 3- and 4-electrode configurations
• Gas-tight TSC 1600 closed cell with glassy-carbon electrode
• Ag pseudo-micro reference electrode for the gas-tight cell
• Classical cell with Ag/AgCl reference, platinum-sheet counter electrode and interchangeable 2 mm glassy-carbon working electrode
• Control and data evaluation with NOVA software
• External-device triggering for in-situ spectroelectrochemistry

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Advion expression CMS

Compact single-quadrupole mass spectrometer for rapid compound identification and reaction monitoring directly in the laboratory.

Responsible: Thore Klüwer · Christoph Eschen

• ASAP atmospheric solids analysis probe for direct analysis of solids and liquids
• Electrospray ionization (ESI) source
• Atmospheric-pressure chemical ionization (APCI) source
• Rapid switching between ionization and sample-introduction techniques
• Suitable for reaction monitoring and fast compound identification

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Fluorescence Spectrometer

PicoQuant Fluotime 300 photoluminescence spectrometer for steady-state and time-resolved fluorescence measurements (TCSPC).

Responsible: Noah Wolf · Christoph Eschen

• Czerny–Turner monochromators
• Modular integrating sphere for absolute quantum-yield measurements
• 375 nm, 40 MHz pulsed picosecond laser diode
• 300 W xenon lamp for wavelength-selective excitation
• Oxford Instruments liquid-nitrogen cryostat
• Sample holders for solutions, films and powders

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Thermogravimetric Analysis (TGA)

Mettler Toledo TGA 3+ system for investigating thermal stability, decomposition and mass-loss processes.

Responsible: Jonas Lobbel · Thore Klüwer

• Measurement range: 22–1600 °C
• Heating rate: 2–250 K/min
• Cooling rate: 0.02–50 K/min
• Nitrogen flow: 20 mL min⁻¹
• Data analysis with STARe software

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Differential Scanning Calorimetry (DSC)

Standalone Mettler Toledo DSC 3+ STARe system for phase transitions, glass transitions, melting and thermal response.

Responsible: Jonas Lobbel · Thore Klüwer

• Thermal scans from −150 to 700 °C
• Heating and cooling rate: 0.02–50 K/min
• Data analysis with STARe software

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Polarized Optical Microscopy (POM)

Polarized optical microscopy (POM) uses crossed polarizers to reveal birefringence, textures, phase transitions and molecular ordering that are not visible in ordinary bright-field microscopy.

Responsible: Thore Klüwer · Thuy Chinh Ta

• Olympus BH-2 POM with trinocular head for simultaneous observation and image capture
• Panasonic camera with MTV-3 C-mount adapter and Philips live monitor
• Instec J035 heating stage with adjustable target temperature and heating rate
• 10× eyepieces with 4×, 10×, 20× and 40× objectives
• Total magnifications: 40×, 100×, 200× and 400×

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LED Irradiation Systems

Thorlabs upLED sources for wavelength-selective irradiation of samples in quartz cuvettes or NMR tubes, enabling photostationary-state and photoswitching studies.

Responsible: Hinrich Reller

• M365L3: 365 nm
• M415L4: 415 nm · 170 mW cm⁻²
• M455L4: 455 nm · 177 mW cm⁻²
• M530L4: 530 nm · 164 mW cm⁻²
• M590L4: 590 nm · 144 mW cm⁻²
• MWWHL4 white LED: 400–800 nm · 166 mW cm⁻²
• upLEDs operated at 1000 mA
• Thorlabs LCL1582-M plano-concave lens (f = −75 mm) for focusing and collimation
• Typical LED-to-sample distance: 3 cm; cuvette experiments performed with stirring

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Glovebox

Nitrogen-filled Inert PureLab HE dual glovebox for handling and synthesis of air- and moisture-sensitive compounds.

Responsible: Matt Wiebe · Christoph Eschen

• Manufacturer: Inert, Amesbury, MA, USA
• Dual-glovebox configuration
• −30 °C freezer
• Large and small antechambers
• O₂ and H₂O levels below 1 ppm

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Ossila Spin Coater

Programmable, vacuum-free spin coating for reproducible preparation of uniform thin polymer and molecular-material films.

Responsible: Noah Wolf · Christoph Eschen

• Vacuum-free chuck design for flat, damage-free substrates
• Multi-substrate chuck: 20 × 15, 25 × 25, 50 × 50 and 75 × 25 mm
• 10 user profiles with programmable multi-step coating recipes
• Up to 50 steps per program; custom chucks support substrates up to 100 mm diameter

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Gel Permeation Chromatography (GPC)

KNAUER AZURA SEC Lab system for determining polymer molar-mass distributions and dispersity by gel permeation and size-exclusion chromatography.

Responsible: Matt Wiebe · Hinrich Reller

• Injection volume: 1–1000 µL
• High flow precision with ultra-low pulsation
• Detector options: RI, UV, ELSD, PDA, FLD and MS
• Hardware configurations for organic GPC of polymers or aqueous SEC of biomolecules