Instrumentation

• preparation box with laminar flow including spin coater, hot plates, vacuum oven
• evaporators (metals / metals&organics)
• measurement setups:
  spectral quantum efficiencies (IPCE / EQE) of solar cells
  Newport solar simulator
  KP Technology SKP5050 Kelvin probe
  FET and conductivity measurement setup w/ Agilent SPA 4155C
• independent preparation box for optional "contamintion" with oxygen and water for sample preparation including spin coater, hot plate [DFG SFB 951 HIOS & BMBF UNVEIL].
• dry air glovebox for sample preparation including spin coater, hot plate, balance.

• Laminar Flow Workbench
• Plasma Cleaner Tepla 200G
• Ozone Cleaner FHR UVOH150 [BMBF NEMO]
• Spin Coater Laurell WS-650Mz-23NPP

transient photoluminescence

• Ti:sapphire laser system: Coherent Chameleon with SHG and pulse picker (350-1000 nm, approx. 150 fs)
• Becker&Hickl PML-Spec (time resolution approx. 180 ps)
• Becker&Hickl PMC-100 & PMS-400 (time resolution approx. 250 ns)

transient electroluminescence

• function generator Agilent 33220A
• home-build power amplifier and photon counter
• oscilloscope Yokogawa DL9040

transient current / charge extraction measurements @ nanoseconds

• Nd:YAG/OPO laser system Topag/Ekspla NT-242 (266 nm / 355 nm/ 410-2500 nm, approx. 6 ns) [EFRE-HIP 2009/2011]
• Nd:YVO laser InnoLas picolo AOT 1 (1064 nm / 532 nm, approx. 0.6 ns)
• home-built LED setups for background and white-light illumination
• power supplies (e.g. Keithley SourceMeter 2400, Keithley Source Measure Unit 237)
• arbitrary function generators and home-built power amplifiers
• current amplifier Femto DHPCA-100
• oscilloscope Yokogawa DL9140, Keysight DSO9054H
• closed cycle helium cryostat ARS DE-202

Femtosecond transient optical and electrical measurements

[DFG INST 336/94-1 FUGG]

• Ti:sapphire laser system Coherent Libra (800 nm) with OPerA (290 – 2600 nm), approx. 50 fs @ 1kHz, 4 mJ
• Spectrometer system 290 – 1100 nm and 960 – 1600 nm w/ 500 Hz read-out
• 10 ns optical delay stage
• power supplies
• arbitrary function generator Agilent 81150A
• custom built power amplifiers
• oscilloscope Agilent DSO9104H
• closed cycle helium cryostat ARS DE-202

• Horiba Jobin Yvon Fluorolog 3 fluorescence spectrometer
• Agilent Cary 5000 UV-VIS-NIR spectrophotometer w/ integrating sphere
• (Mini Raman Spectrometer)
• stady state LED characterization: KonicaMinolta CS-2000 [BMBF NEMO]
• integrating spheres for EL and PL quantum yield measurements: Gigahertz X4 system, Hamamatsu C9920 [BMBF NEMO]
• CCD spectrometer: Shamrock 303i / Andor iDus DU420A BR-DD & A-DU491A-1.7 [EFRE-HIP 2013/2014]
• Electroabsorption setup (homebuilt) [EFRE-HIP 2013/2015]
• LED lifetime measurements: BoTest OLT [BMBF NEMO]

• Olympus Fluorescence Microscope
• Scanning Force Microscope NT-MDT SolverPro [EFRE-HIP 2010]
• Scanning Electron Microscope ZEISS Ultra plus [DFG  INST 336/72-1 LAGG]
• Scanning Near-Field Optical Microscope Nanonics MultiView 2000 [DFG INST336/57-FUGG]
• Surface Profilometer Dektak XT [EFRE InfraFEI 2018/2019]