Facilities
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Ultra High Vacuum Scanning Probe Microscope
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Omicron VT-AFM
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- 5 x 10-11 mbar
- liquid nitrogen cooling (sample & manipulator)
- ion gun
- heating (resistive & DC)
- load lock
- Tip preparation tool
- Alkali evaporator
- Argon sputterer
- Mass spectrometer in main chamber
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​​SPM modes:
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- STM, STS, CITS
- non-contact AFM
- KPFM, FM & AM modes
- c-AFM
- PFM
- MFM
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PREVAC XPS
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Scanning Probe Microscope under nitrogen environment
Digital Instrument - Nanoscope V
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- in a nitrogen-filled box
- on an anti-vibration table
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SPM modes:
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- tapping mode AFM
- AM-KPFM
- FM-KPFM
NaioSTM
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- air-STM
- on an anti-vibration table
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Physical Vapor Deposition for perovskites
Mbraun
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- PVD embedded in a nitrogen-filled glovebox
- Cooling trap + cooling unit to avoid damage to turbo pump (-20°C)
- Inficon SQC 310 to control deposition
- 2 Quartz Crystal Monitors
- Pressure at rest : 2x10-7 mbar
- Pressure during growth : 1x10-6 to 1x10-5 mbar
- Valve behind the glovebox for inert-gas transfer to UHV SPM
- Fabrication of Pb and Sn-based perovskites
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Storage Glovebox + Spin-coating
Mbraun
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- Spin-coating of transport layers for perovskites
- Hotplate
- Solvent filter
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- Custom-made evaporator (transport layer for perovskites, 2D materials...).
- Possibility to make perovskite devices and CIGS/perovskite tandem devices at the university of Luxembourg (in collaboration with the group of Susanne Siebentritt).
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Hyperspectral time-resolved Photoluminescence imaging
- Laser: Pïcoquant VisUV
- NIR: Xeneth camera
- Visible range: ICDD Princeton camera
- Motorized XY sample holder stage
- Cameras mounted on motorized Z-stage
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- PL mapping + TRPL mapping
-> Maps of PL yield + Quasi Fermi level splitting + minority carrier lifetime
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Inert-gas transfer suitcase + High vacuum suitcase
- Transfer suitcase from Glovebox to UHV SPM
- Transfer suitcase from high-vacuum to UHV SPM
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Additional on-site equipments
​- XRD
- Solar Simulator
- SEM + EDS
- Profilometer
- Preparation of STM tip
- Ozone Cleaner
- Plasma cleaner
- Ultrasonic bath
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