Jos E.M. Haverkort

Jos E.M. Haverkort is a senior researcher at the Department of Applied Physics, Eindhoven University of Technology, affiliated with the Advanced Nanomaterials & Devices group and Institute for Photonic Integration. His work focuses on semiconductor nanowires for solar cells and silicon-based light sources, with major contributions to nanowire InP solar cell efficiency (17.8%) and hexagonal SiGe optical characterization.

• Leiden University - Physics (PhD, 1987)

Research highlights:

• Developing nanowire solar cells with photon redirection mechanisms targeting >45% efficiency
• Pioneering hexagonal SiGe for direct bandgap light emission and nanolaser development
• Leading the European SiLAS consortium for integrated photonic applications

Recent publications demonstrate breakthroughs in:

• Quantum well bandgap engineering (2024, 2025)
• Carrier cooling dynamics in hexagonal SiGe (2024)
• Polarized emission control from SiGe nanowires (2022)
• Thermodynamic limits of nanophotonic solar cells (2016)

Collaborations span AMOLF, Oxford University, and industry leaders like IBM and Philips Lighting. His work aligns with UN SDG 7 (Affordable Energy) and SDG 13 (Climate Action).