Oxford PV's solar R&D centre in Oxford is pioneering perovskite-on-silicon tandem solar cells, which promise higher efficiency than traditional silicon cells. The company, emerging from a University of Oxford project, is leading advancements in solar technology, with a recent commercial deployment in the US. Perovskite enhances solar panel efficiency, potentially reaching up to 43%. Collaboration and intellectual property rights are crucial for their strategy as they aim to revolutionize solar energy production.