Transparent and heat-insulation bionic hydrogel-based smart window system for long-term cooling and waste heat collection
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arXiv
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| Format: | Preprint |
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2025
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| author | Ye, Qianwang Dai, Hanqing Yan, Yukun Wang, Liwei Du, Xinlin Wang, Yimeng Han, Zhile Zhang, Wanlu Guo, Ruiqian |
| author_facet | Ye, Qianwang Dai, Hanqing Yan, Yukun Wang, Liwei Du, Xinlin Wang, Yimeng Han, Zhile Zhang, Wanlu Guo, Ruiqian |
| contents | With the energy crisis and climate warming, the position of a new generation of smart windows is becoming increasingly important, and materials or systems that can have high blocking of near-infrared (NIR) and ultraviolet (UV) and high transmittance of visible light (VIS) are needed. Currently, it is difficult for smart heat-insulation materials to achieve high transmittance of VIS, good UV isolation, outstanding cooling and thermal insulation, and excellent waste heat collection. Here, we design a novel composite hydrogel to achieve an average 92% VIS transmittance, efficient UV absorption , 11 Celsius degree of thermal insulation, and sensing properties. Interestingly, we designed a transparent heat insulation system with this composite hydrogel to obtain about 22 Celsius degree of the record-breaking insulation performance for 168 hours, waste heat collection and reutilization, and temperature sensing. Our findings provide new ideas and possibilities for designing transparent and heat-insulation smart window systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_23213 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Transparent and heat-insulation bionic hydrogel-based smart window system for long-term cooling and waste heat collection Ye, Qianwang Dai, Hanqing Yan, Yukun Wang, Liwei Du, Xinlin Wang, Yimeng Han, Zhile Zhang, Wanlu Guo, Ruiqian Chemical Physics With the energy crisis and climate warming, the position of a new generation of smart windows is becoming increasingly important, and materials or systems that can have high blocking of near-infrared (NIR) and ultraviolet (UV) and high transmittance of visible light (VIS) are needed. Currently, it is difficult for smart heat-insulation materials to achieve high transmittance of VIS, good UV isolation, outstanding cooling and thermal insulation, and excellent waste heat collection. Here, we design a novel composite hydrogel to achieve an average 92% VIS transmittance, efficient UV absorption , 11 Celsius degree of thermal insulation, and sensing properties. Interestingly, we designed a transparent heat insulation system with this composite hydrogel to obtain about 22 Celsius degree of the record-breaking insulation performance for 168 hours, waste heat collection and reutilization, and temperature sensing. Our findings provide new ideas and possibilities for designing transparent and heat-insulation smart window systems. |
| title | Transparent and heat-insulation bionic hydrogel-based smart window system for long-term cooling and waste heat collection |
| topic | Chemical Physics |
| url | https://arxiv.org/abs/2505.23213 |