Researchers propose a novel liquid filter for enhanced solar energy utilization

https://techxplore.com/news/2023-09-liquid-filter-solar-energy.html

"photovoltaic-thermal, generated heat carried away by heat exchanger containing air or liquid coolant increasing efficiency, heat utilized as thermal energy... fish oil and water emulsion liquid filters over PV modules capture specific wavelengths generating electricity including UV, visible light, and near-IR facilitating conversion to thermal...  stable up to 70 °C... efficiency increased from 70.9 to 84.4% and temperature decreased from 46.7 to 33.1°C... electrical and thermal energies 72.2 and 1176.7 Wh/ day"

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