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<p>With the increasing global energy consumption and cooling demands, traditional active cooling technologies face inefficiency and environmental challenges. Recently published in <i>Science</i>, a team led by Prof. Hai-bo Zhao has proposed and developed a biomass-based photoluminescent aerogel made from DNA and gelatin to address these challenges. This material achieves a solar-weighted reflectance of over 100% (0.4–0.8&#xa0;μm) and provides a cooling effect of 16.0&#xa0;°C under sunlight. This sustainable material is repairable, recyclable, and biodegradable, offering significant potential for energy-efficient buildings and wearable cooling devices.</p>

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Revolutionizing Passive Radiative Cooling Materials: Biomass-Based Photoluminescent Aerogels Opens New Frontiers for Sustainable Energy Efficiency Cooling Solutions

  • 期刊论文

  • 发表日期：

    2025年5月12日

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  • Zhiyu Huang,
  • Fengxiang Chen,
  • Weilin Xu

摘要

With the increasing global energy consumption and cooling demands, traditional active cooling technologies face inefficiency and environmental challenges. Recently published in Science, a team led by Prof. Hai-bo Zhao has proposed and developed a biomass-based photoluminescent aerogel made from DNA and gelatin to address these challenges. This material achieves a solar-weighted reflectance of over 100% (0.4–0.8 μm) and provides a cooling effect of 16.0 °C under sunlight. This sustainable material is repairable, recyclable, and biodegradable, offering significant potential for energy-efficient buildings and wearable cooling devices.