3D printed hydrogel for soft thermo-responsive smart window

被引：0
作者：
Lei Chen [1 ]
Guihui Duan [1 ]
Ce Zhang [2 ]
Ping Cheng [3 ]
Zhaolong Wang [1 ]
机构：
[1] College of Mechanical and Vehicle Engineering, Hunan University
[2] Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology(CAST)
[3] MOE Key Laboratory for Power Machinery and Engineering, School of Mechanical Engineering,Shanghai Jiao Tong University
来源：
InternationalJournalofExtremeManufacturing | 2022年 / 4卷 / 02期
关键词：
D O I：
暂无
中图分类号：
TQ427.26 []; TP391.73 [];
学科分类号：
0817 ; 080201 ;
摘要：
Smart windows with tunable optical properties that respond to external environments are being developed to reduce energy consumption in buildings. In the present study, we introduce a new type of 3 D printed hydrogel with amazing flexibility and stretchability（as large as 1500%）, as well as tunable optical performance controlled by surrounding temperatures. The hydrogel on a PDMS substrate shows transparent-opaque transition with high solar modulation（?Tsol） up to79.332% around its lower critical solution temperature（LCST） while maintaining a high luminous transmittance(Tlum) of 85.847% at 20°C. In addition, selective transparent-opaque transition above LCST can be achieved by patterned hydrogels which are precisely fabricated via a projection micro-stereolithography based 3 D printing technique. Our hydrogel promises great potential applications for the next generation of soft smart windows.
引用
收藏
页码：198 / 207
页数：10
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