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

页码：198 / 207

页数：10

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