QYB – Quantum Yield Berlin
QYB – Quantum Yield Berlin GmbH develops and manufactures advanced absolute luminescence quantum yield measurement systems for semiconductor materials and devices.
About
QYB – Quantum Yield Berlin GmbH is a Berlin-based spin-off from Helmholtz-Zentrum Berlin, specializing in making absolute luminescence analysis of semiconductors widely accessible. Founded in 2021, the company integrates expertise from research in perovskite tandem solar cells and luminescence spectroscopy into compact, ready-to-use measurement systems. Their products enable precise photo- and electroluminescence measurement, primarily focusing on opto-electronic device optimization for applications such as LEDs, solar cells, and semiconductor research. QYB combines cutting-edge measurement hardware with unique data analysis software, supporting both fundamental research and quality control in advanced solar cell development.
Products & Services
- LuQY Pro: Absolute Luminescence Quantum Yield System
- LuQY-Control software for instrument control and analysis
- QYB Firmware Updater
- Measurement equipment and solutions for EL/PLQY and quasi-Fermi level splitting (QFLS) analysis
- Training and support for luminescence analysis
Use Cases & Case Studies
- Process control and accelerated material/process parameter screening for semiconductor devices
- Quality assessment after fabrication steps
- Analysis of emission spectrum and intensity shifts
- Quantification of bulk and interface recombination losses in semiconductor thin films and devices
- In-depth analysis of efficiency potentials and loss mechanisms via EL/PLQY and iVoc measurements
Partnerships & Collaborations
- Spin-off relationship and ongoing collaboration with Helmholtz-Zentrum Berlin
- Collaborative research links to Potsdam University, École Polytechnique Fédérale de Lausanne, and University of Oxford
Awards & Recognition
- Enabled a world record certified perovskite/silicon tandem solar cell efficiency of 29.15% (Science 2020)
Contact Information
Certifications & Compliance
- Calibrations traceable to EUROMET national standards, US NIST, or other metrological institutions