Physics World Weekly Podcast How to boost the sustainability of solar cells
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Nov 7, 2024 Robert Hoye, an inorganic chemist from the University of Oxford, and Nakita Noel, a physicist specializing in perovskite materials, dive into sustainable solar energy. They define sustainability in photovoltaics, addressing challenges like material sourcing and recyclability. The discussion highlights the potential of perovskite materials for high-efficiency solar cells and the importance of collaboration in solar technology's future. They also emphasize the necessary investment in research to push sustainable advancements in energy conversion.
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Solar Cell Sustainability
- Solar cell sustainability considers green electricity production and lifecycle impacts.
- Production focuses on element choices, materials' environmental impact, and CO2 footprint.
Silicon Solar Cell Challenges
- Silicon solar modules face sustainability challenges related to raw material constraints and recycling.
- The increasing demand for silicon necessitates addressing material limitations like silver, bismuth, and indium.
Perovskite Sustainability
- Perovskites offer a sustainable photovoltaic option due to earth-abundant elements and low carbon footprint.
- Perovskite-silicon tandems exceed individual technology efficiencies, maximizing power generation while minimizing carbon output.
