Wafer-Scale Synthesis of Mithrene: A Breakthrough in UV Photodetection

Congratulations to Maryam Mohammadi for leading this exciting new publication titled “Wafer-Scale Synthesis of Mithrene and its Application in UV Photodetectors”! Together with co-authors Stefanie L. Stoll, Analía F. Herrero, Sana Khan, Federico Fabrizi, Christian Gollwitzer, Zhenxing Wang, Surendra B. Anantharaman, and Max Lemme, the team achieved a major milestone in 2D materials research.

This work presents the first wafer-scale synthesis of mithrene—a two-dimensional metal-organic semiconductor with unique optical properties—via a solid-vapor-phase transformation of silver. By introducing a controlled pre-tarnishing step using H₂O vapor pulses and propylamine (PrNH₂) as a ligand, the researchers successfully produced large, well-oriented crystals on 100 mm wafers.

The resulting mithrene films were integrated into graphene field-effect phototransistors (GFETs), demonstrating photoresponsivity exceeding 100 A/W at 450 nm. This marks a significant advancement in blue light photodetection and opens new possibilities for optoelectronic applications.

The research was supported by:

• The German Research Foundation (DFG) through TRR404 Active-3D and Hiper-Lase
• The European Union’s Horizon 2020 programme via the projects FOXES, PERSEPHONe, and MISEL
• The German Federal Ministry of Education and Research (BMBF) through the NEPOMUQ project

Read the full open-access paper here:https://lnkd.in/e7bDeiFK