Multispectral smart window: Dynamic light modulation and electromagnetic microwave shielding

Ruicong Zhang; Zicheng Song; Wenxin Cao; Gang Gao; Lei Yang; Yurong He; Jiecai Han; Zhibo Zhang; Tianyu Wang; Jiaqi Zhu

doi:10.1038/s41377-024-01541-y

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Multispectral smart window: Dynamic light modulation and electromagnetic microwave shielding

Original Articles

- Multispectral smart window: Dynamic light modulation and electromagnetic microwave shielding
- Multispectral smart window: Dynamic light modulation and electromagnetic microwave shielding
- LSA 2024年13卷第10期页码：2331-2341
- Affiliations：
  
  1.Center for Composite Materials and Structures, Harbin Institute of Technology, Harbin 150080, China
  2.Zhengzhou Research Institute, Harbin Institute of Technology, Zhengzhou 450018, China
  3.Research Center of Analysis and Measurement, Harbin Institute of Technology, Harbin 150080, China
  4.School of Energy Science & Engineering, Harbin Institute of Technology, Harbin 150080, China
- Author bio：
  
  Zicheng Song (songzc@hit.edu.cn)
  Zhibo Zhang (zhangzhibo_hit@163.com)
  Tianyu Wang (tianyu_wang@hit.edu.cn)
  Jiaqi Zhu (zhujq@hit.edu.cn)
- Funds：
- DOI：10.1038/s41377-024-01541-y
  中图分类号：
- 收稿日期：2024-02-14，
  
  修回日期：2024-06-15，
  
  录用日期：2024-07-17，
  
  网络出版日期：2024-08-30，
  
  纸质出版日期：2024-10-31
- Accepted：
Scan QR Code
Multispectral smart window: Dynamic light modulation and electromagnetic microwave shielding[J]. LSA, 2024,13(10):2331-2341.

Zhang, R. C. et al. Multispectral smart window: Dynamic light modulation and electromagnetic microwave shielding. Light: Science & Applications, 13, 2331-2341 (2024).
Multispectral smart window: Dynamic light modulation and electromagnetic microwave shielding[J]. LSA, 2024,13(10):2331-2341. DOI： 10.1038/s41377-024-01541-y.

Zhang, R. C. et al. Multispectral smart window: Dynamic light modulation and electromagnetic microwave shielding. Light: Science & Applications, 13, 2331-2341 (2024). DOI： 10.1038/s41377-024-01541-y.

摘要

Abstract

A novel multispectral smart window has been proposed

which features dynamic modulation of light transmittance and effective shielding against electromagnetic microwave radiation. This design integrates liquid crystal dynamic scattering and dye doping techniques

enabling the dual regulation of transmittance and scattering within a single-layer smart window. Additionally

the precise control of conductive film thickness ensures the attainment of robust microwave signal shielding. We present a theoretical model for ion movement in the presence of an alternating electric field

along with a novel approach to manipulate negative dielectric constant. The proposed model successfully enables a rapid transition between light transparent

absorbing and haze states

with an optimum drive frequency adjustable to approximately 300 Hz. Furthermore

the resistive design of the conductive layer effectively mitigates microwave radiation within the 2−18 GHz range. These findings offer an innovative perspective for future advancements in environmental construction.

关键词

Keywords

references

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