journal article·2020-04-01Open access

Low-Cost, Robust Pressure-Responsive Smart Windows with Dynamic Switchable Transmittance

Xin Wang, Mingtong Li, Dan Wang, Hui Zhang, Ruomeng Duan, Dafeng Zhang, Bo Song, Bin Dong

ACS Applied Materials & Interfaces· Volume 12· Issue 13

Abstract

Mechanically responsive smart windows with adjustable light transmittance have attracted more and more attention due to their great potential in our daily life. However, their fabrication normally requires complicated preparation such as oxygen plasma treatment and high-cost materials (i.e., poly(dimethylsiloxane) (PDMS)), which hinders their practical applications. Herein, a principally different mechanically responsive smart window, i.e., a pressure-responsive smart window, is reported, which is achieved by harnessing the synergistic interactions (i.e., hydrogen bonding and surface roughness compensation) between the two constituent parts, i.e., hydrogel and agar films. The pressure-responsive smart window features the ultrafast response time (37.5 ms) and high transmittance changes (∼50%) with excellent repeatability, which can be stained with different colors and operated on a flexible substrate. Since the pressure-responsive smart window enables the utilization of the low-cost material and does not require the external energy input, it is anticipated that it may have great potential in practical applications.
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Research context

OpenAlex topics: Islamic Studies and History · Archaeology and Historical Studies · Ottoman and Turkish Studies

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Affiliations

Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou, Jiangsu 215123, China

School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, Guangdong 523808, China

School of Materials Science and Engineering, Liaocheng University, Liaocheng, Shandong 252000, China

Laboratory of Advanced Optoelectronic Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China

Funding

State Administration of Foreign Experts Affairs · Collaborative Innovation Center of Suzhou Nano Science and Technology · Ministry of Education of the People's Republic of China · Ministry of Science and Technology of the People's Republic of China · Soochow University · National Natural Science Foundation of China · Priority Academic Program Development of Jiangsu Higher Education Institutions · Joint International Research Laboratory of Carbon-Based Functional Materials and Devices · Postgraduate Research & Practice Innovation Program of Jiangsu Province · Excellent Creative Research Teams of Jiangsu Higher Education Institutions

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