A newly developed metasurface-based silicon antireflective coating combines rectangular and cylindrical meta-atom geometries. The metasurface achieves just 5% reflection, compared to approximately 50% reflection with an unstructured silicon solar cell. Credit: Advanced Photonics Nexus (2025). DOI: 10.1117/1.APN.4.3.036009 Converting sunlight into electricity is the task of photovoltaic solar cells, but nearly half the light that reaches a flat silicon sola