Jul 8, 2025 – Congrats Yanis & Silvio!
Well done to Yanis Strübi and Silvio Müller on completing your Physics Lab Technician apprenticeships and earning the Federal Vocational Baccalaureate! We’re proud of you and wish you all the best for what’s next.
Graphene - Quantum Dot Photodetectors
Combining high mobility graphene transistors with efficient light absorbing colloidal quantum dots may pave a way for cheap, high resolving infrared photodetectors. Light is absorbed in the Quantum Dot layer, creating excitons. One charge carrier type is transferred faster to the biased graphene transistor, leading to an additional electric field. This is measured by a current change in the graphene transistor. We are investigating the detailed mechanism of these graphene-QDs photodetectors, expanding the range of spectral photoresponse, increasing the detectivity, and scalling down to the device size below the light wavelength.
Further sources:
Advanced Perovskite Photodetectors
The project aims to develop a conceptually new type of photodetector arrays based on perovskite materials for the next generation of imaging cameras. The research activities involve synthesis (thermal co-evaporation) and deposition (for solution-based materials) in the form of thin films. The activities also will include pattering, contact and charge selective/blocking layers deposition, and comprehensive characterization of the device`s optoelectronic properties. Research considers strong collaboration with industrial partners.
Collaboration with:
Kovalenko Lab - Functional Inorganic Materials, ETH Zurich
Further sources:
Jun 20, 2025 Congratulations to Erfu!
Congratulations to Dr. Erfu Wu on successfully defending his PhD thesis on "Arrays of perovskite microphotodetectors for stacked color image sensors"!
