Related Experiment Video
Updated: Jul 16, 2026
11:09
Scalable Solution-processed Fabrication Strategy for High-performance, Flexible, Transparent Electrodes with Embedded Metal Mesh
Published on: June 23, 2017
Durable and Scalable Mechanochromic Smart Windows for On-Demand Privacy and Energy Saving
Yang Xiang1, Guanya Wang2, Boying Zhang1
1School of Science and Engineering, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, P.R. China.
ACS Applied Materials & Interfaces
|July 14, 2026
Summary
This study introduces a new, durable, and scalable all-silicone mechanochromic elastomer for smart windows. It offers excellent light modulation and energy savings for sustainable buildings.
Area of Science:
- Materials Science
- Sustainable Building Technologies
- Optoelectronics
Background:
- Current smart windows face challenges with limited modulation and durability.
- Mechanochromic smart windows offer potential for simple, power-free operation.
- Need for scalable, high-performance materials for energy-efficient buildings.
Purpose of the Study:
- To develop a scalable all-silicone mechanochromic elastomer (ASMCE) for advanced smart windows.
- To achieve broadband optical modulation and high solar modulation ability.
- To demonstrate long-term durability and building energy-saving potential.
Main Methods:
- Fabrication of an ASMCE using a polydimethylsiloxane (PDMS) matrix and polymethylsilsesquioxane (PMSQ) microspheres.
- Utilizing a micrometer-pore scattering strategy for optical modulation.
- Testing durability through accelerated aging, outdoor exposure, and cyclic stretching.
Main Results:
- Achieved broadband optical modulation across visible and near-infrared spectrum.
- Demonstrated ultrahigh solar modulation ability (ΔTsol) of 75.8% over 0-80% strain.
- Confirmed excellent durability and compatibility with meter-scale roll-to-roll fabrication.
- Building simulations showed significant indoor light/temperature regulation and energy savings.
Conclusions:
- The developed ASMCE provides a durable, scalable platform for high-performance smart windows.
- This technology offers significant potential for sustainable building energy management.
- The material's properties enable on-demand privacy and efficient thermal regulation.
