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October 20, 2025Small

Morphology‐Engineered CaCO3 Enabling Dual‐Mode Nanocomposites for Zonal Radiative Cooling and Heating

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Authors

XLXuran LiXFXueming FanRYRuilin Yang

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Overview

Demonstrates a dual-mode film with exceptional solar reflectance and infrared emissivity, suggesting improvements in energy-efficient building systems.

Key Points

  • The dual-mode film provides average subambient cooling of 7.6 °C and heating of 3.6 °C under various conditions.
  • On the cooling side, the film achieves 95.2% solar reflectance and 96.7% infrared emissivity using engineered calcium carbonate.
  • The heating side integrates carbon nanotubes with a low emissivity layer, yielding an average 30.2% solar reflectance.
  • This novel approach promotes low-energy thermal control, indicating potential applications in intelligent building systems.

Cite This Study

Li et al. (2025) studied this question.

synapsesocial.com/papers/68f5fcd68d54a28a75cf1e89https://doi.org/10.1002/smll.202509710
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