Research Progress of Porous Radiative Cooling Films Based on Phase Separation Method

Lu, Shicheng; Cheng, Youliang; Li, Mengyao; Chen, Jing; Fang, Changqing; Yao, Xingbo; Cao, Changxue; Fan, Jiamin

doi:10.3390/nano16030190

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Research Progress of Porous Radiative Cooling Films Based on Phase Separation Method

by

Shicheng Lu

¹,

Youliang Cheng

^1,*,

Mengyao Li

²,

Jing Chen

¹,

Changqing Fang

^1,2,*,

Xingbo Yao

³,

Changxue Cao

¹ and

Jiamin Fan

¹

Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an 710048, China

²

School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China

³

School of Art and Design, Xi’an University of Technology, Xi’an 710048, China

^*

Authors to whom correspondence should be addressed.

Nanomaterials 2026, 16(3), 190; https://doi.org/10.3390/nano16030190

Submission received: 10 December 2025 / Revised: 26 January 2026 / Accepted: 28 January 2026 / Published: 30 January 2026

(This article belongs to the Special Issue New Insights in Nanomaterials for Packaging Applications)

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Abstract

In recent years, against the backdrop of increasingly prominent global climate change and environmental issues, high-efficiency cooling technologies and energy-saving materials have become key research focuses. Radiative cooling, which reflects sunlight and emits thermal radiation into outer space, enables passive cooling without energy consumption. The phase separation method has emerged as a promising approach for fabricating porous daytime radiative cooling materials, attracting extensive research interest due to its favorable processability, excellent cooling performance, low cost, and scalability. Based on radiative cooling principles, this review summarizes the preparation methods, structural design, and application fields of porous radiative cooling films fabricated via the phase separation method. Furthermore, it is suggested that phase-separated porous radiative cooling films hold great potential in green buildings, personal thermal management, and food preservation.

Keywords: radiative cooling; phase separation; films; porous structure; thermal management

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MDPI and ACS Style

Lu, S.; Cheng, Y.; Li, M.; Chen, J.; Fang, C.; Yao, X.; Cao, C.; Fan, J. Research Progress of Porous Radiative Cooling Films Based on Phase Separation Method. Nanomaterials 2026, 16, 190. https://doi.org/10.3390/nano16030190

AMA Style

Lu S, Cheng Y, Li M, Chen J, Fang C, Yao X, Cao C, Fan J. Research Progress of Porous Radiative Cooling Films Based on Phase Separation Method. Nanomaterials. 2026; 16(3):190. https://doi.org/10.3390/nano16030190

Chicago/Turabian Style

Lu, Shicheng, Youliang Cheng, Mengyao Li, Jing Chen, Changqing Fang, Xingbo Yao, Changxue Cao, and Jiamin Fan. 2026. "Research Progress of Porous Radiative Cooling Films Based on Phase Separation Method" Nanomaterials 16, no. 3: 190. https://doi.org/10.3390/nano16030190

APA Style

Lu, S., Cheng, Y., Li, M., Chen, J., Fang, C., Yao, X., Cao, C., & Fan, J. (2026). Research Progress of Porous Radiative Cooling Films Based on Phase Separation Method. Nanomaterials, 16(3), 190. https://doi.org/10.3390/nano16030190

Note that from the first issue of 2016, this journal uses article numbers instead of page numbers. See further details here.

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