A novel infrared photodetector based on two-dimensional platinum diselendide

Shayan Parhizkar and colleagues have demonstrated an integrated infrared-photodetector on a silicon waveguide using two-dimensional platinum diselendide (PtSe2).

The photodetector has been integrated directly by conformal growth at 400°C on a silicon waveguide. It shows good sensitivity far into the infrared-wavelength range, and it outperform of PtSe2-photodetectors based on standard 2D-layer transfer.   
The work is the result of the collaboration between AMO GmbH, RWTH Aachen University, Bundeswehr University Munich, KTH Royal Institute of Technology, and Black Semiconductor.

Bibliographic information
Two-Dimensional Platinum Diselenide Waveguide-Integrated Infrared Photodetectors
 S. Parhizkar, M. Prechtl, A. L. Giesecke, S. Suckow, S. Wahl, S. Lukas, O. Hartwig, N. Negm, A. Quellmalz, K. Gylfason, D. Schall, M. Wuttig, G. S. Duesberg,  and M. C. Lemme
ACS Photonics 2022.