Facilities

  • Ultra High Vacuum Scanning Probe Microscope

Omicron VT-AFM

- 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

SPM modes:

- STM, STS, CITS

- non-contact AFM

- KPFM, FM & AM modes

- c-AFM

- PFM

- MFM

  • Scanning Probe Microscope under nitrogen environment

Digital Instrument - Nanoscope V

- in a nitrogen-filled box

- on an anti-vibration table

SPM modes:

- tapping mode AFM

- AM-KPFM

- FM-KPFM

NaioSTM

- air-STM

- on an anti-vibration table

  • Physical Vapor Deposition for perovskites

Mbraun

- 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

  • Storage Glovebox + Spin-coating

Mbraun

- Spin-coating of transport layers for perovskites

- Hotplate

- Solvent filter

- Custom-made evaporator (transport layer for perovskites...)

  • 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

- PL mapping + TRPL mapping

-> PL yield + Quasi Fermi level splitting + minority carrier lifetime

  • Inert-gas transfer suitcase + High vacuum suitcase

- Transfer suitcase from Glovebox to UHV SPM

- Transfer suitcase from high-vacuum to UHV SPM

  • Additional on-site equipments

- XRD

- SEM + EDS

- Profilometer

- Preparation of STM tip

- Ozone Cleaner

- Plasma cleaner

- Ultrasonic bath

The University of

Luxembourg

© 2020 by SPMLab