Journal
ACS MATERIALS LETTERS
Volume 3, Issue 2, Pages 243-248Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsmaterialslett.0c00509
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Funding
- National Natural Science Foundation of China [51732011]
- Foundation for Innovative Research Groups of the National Natural Science Foundation of China [21521001]
- Key Research Program of Frontier Sciences, Chinese Academy of Sciences [QYZDJ-SSW-SLH036]
- Fundamental Research Funds for the Central Universities [WK2090050043]
- Users with Excellence and Scientific Research Grant of Hefei Science Center of Chinese Academy of Sciences [2015HSC-UE007]
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This study developed an eco-friendly water-based coating inspired by the multilayer microstructure of nacre, which combines fire-retardant and energy-saving cooling properties. The coating holds promise for future applications in energy-efficient buildings and vehicles.
Nowadays, energy saving and fire protection are non-negligible properties in green buildings. Designing sustainable materials that integrate energy-saving cooling and fire protection performance is the future development trend and challenge. Herein, inspired by the ordered multilayer microstructure of nacre, an eco-friendly water-based coating with both fire-retardant and energy-saving cooling properties was fabricated from cellulose nanofiber (CNF) and TiO2-coated mica microplatelet (TiO2-mica). Owing to the brick-and-mortar structure formed by the directional fluid assembly method, this nacre-inspired coating can achieve the high near-infrared (NIR) reflectivity (similar to 90%) and effective fire-retardant performance simultaneously. Consequently, as a multifunctional water-based coating with emission of zero volatile organic compounds (VOC), this nacre-inspired coating presents a promising future in energy-efficient buildings and even automobiles.
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