Instrumentation
Nitrogen Glove Box System
- 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.
Ambient Atmosphere Sample Preparation in “Clean Area”
- Laminar Flow Workbench
- Plasma Cleaner Tepla 200G
- Ozone Cleaner FHR UVOH150 [BMBF NEMO]
- Spin Coater Laurell WS-650Mz-23NPP
Transient & time resolved measurements
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
Steady State Spectroscopy
- 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]
Microscopy and Surface Characterization
- 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]