LuQY Scanner
PLQY and QFLS mapping on large area
Full-Area
PL Imaging
Absolute PL Spectra
PLQY, QFLS, ...
Precise Scanning
Over Large Area
Photoluminescence (PL) Analysis on Full Wafer
- Up to 21 cm × 21 cm (G12 wafer) sample size
- Absolute PL spectra, PLQY & QFLS in ms to s
- Tunable laser power (10-4–20 suns) & spot size
Full-Area PL Imaging
Image PL across your wafer or solar cell in one snapshot. Resolve spatial features down to 250 µm resolution
Local Absolute PL Spectra With Analysis
Locally measure absolute PL spectra and our software directly calculates:
PLQY – QFLS – Peak Emission Energy – Ideality Factor & pseudo-JV curves
Large Area Heatmaps for PLQY, QFLS, …
Raster map local PL measurements over large areas to create wafer-sized heatmaps of PLQY, QFLS, ideality factor…
- Measurement software
- Results database
- Web-application data viewer
- Data transfer to existing databases
- NOMAD plugin
- JupyterLab integration for AI
References
References marked with ‡ indicate publications with contributions from members of our team.
Resolving bulk and interface recombination losses from PLQY and absolute PL:
[1]‡ Unold et al., Advanced Characterization Techniques for Thin Film Solar Cells, Chapter 7: Photoluminescence Analysis of Thin-Film Solar Cells, Wiley, 2011, ISBN: 9783527410033
[2]‡ Al-Ashouri et al., Energy Environ. Sci., 2019, 12, 3356-3369
[3]‡ Kegelmann et al., ACS Appl. Mater. Interfaces, 2019, 11, 9, 9172-9181
[4]‡ Stolterfoht et al., Energy Environ. Sci., 2019, 12, 2778-2788
[5]‡ Liu et al., ACS Energy Lett., 2019, 4, 1, 110-117
[6]‡ Kirchartz et al., Adv. Energy Mater., 2020, Early View 1904134.
Ideality factor and pseudo-JV curves from light-intensity dependent absolute PL:
[7]‡ Caprioglio et al., Adv. Energy Mater., 2019, 9, 33, 110-117
[8]‡ Stolterfoht et al., Adv. Mater., 2020, DOI: 10.1002/adma.202000080
[9] Chris Dreessen et al., Journal of Luminescence, 2020, 222, 117106