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240412s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202400102
|2 doi
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|a pubmed25n1235.xml
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|a (DE-627)NLM370960475
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|a (NLM)38606728
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Wang, Yufeng
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Thermal-Rectified Gradient Porous Polymeric Film for Solar-Thermal Regulatory Cooling
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 26.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Solar-thermal regulation concerning thermal insulation and solar modulation is pivotal for cooling textiles and smart buildings. Nevertheless, a contradiction arises in balancing the demand to prevent external heat infiltration with the efficient dissipation of excess heat from enclosed spaces. Here, a concentration-gradient polymerization strategy is presented for fabricating a gradient porous polymeric film comprising interconnected polymeric microspheres. This method involves establishing an electric field-driven gradient distribution of charged crosslinkers in the precursor solution, followed by subsequent polymerization and freeze-drying processes. The resulting porous film exhibits a significant porosity gradient along its thickness, leading to exceptional unidirectional thermal insulation capabilities with a thermal rectification factor of 21%. The gradient porous film, with its thermal rectification properties, effectively reconciles the conflicting demands of diverse thermal conductivity for cooling unheated and spontaneously heated enclosed spaces. Consequently, the gradient porous film demonstrates remarkable enhancements in solar-thermal management, achieving temperature reductions of 3.0 and 4.1 °C for unheated and spontaneously heated enclosed spaces, respectively, compared to uniform porous films. The developed gradient-structured porous film thus holds promise for the development of thermal-rectified materials tailored to regulate solar-thermal conditions within enclosed environments
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|a Journal Article
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|a concentration‐gradient polymerization
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4 |
|a gradient porous film
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| 650 |
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|a passive daytime radiative cooling
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| 650 |
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4 |
|a solar‐thermal regulation
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| 650 |
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4 |
|a thermal rectification
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1 |
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|a Zhang, Xiaobo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Song
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Qisen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Tianyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Miao, Yue-E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Willenbacher, Norbert
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Chao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Tianxi
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 26 vom: 12. Juni, Seite e2400102
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:36
|g year:2024
|g number:26
|g day:12
|g month:06
|g pages:e2400102
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202400102
|3 Volltext
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