• Glare-Free, Energy-Efficient Smart Windows: A Pedestrian-Friendly System with Dynamically Tunable Light and Heat Regulation
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  • 2025-06-18 11:37:17|
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ㅇ [Title]        Glare-Free, Energy-Efficient Smart Windows: A Pedestrian-Friendly System with Dynamically Tunable Light and Heat Regulation


ㅇ [Journal]   ACS Energy Letters 2025, 10 (6), 2997-3004

                                                                                                                                                                                                        
ㅇ [Author]   Hoy Jung Jo, Yeon Jae Jang, Hyeon-Don Kim, Kwang-Seop Kim, Hong Chul Moon*


ㅇ [Abstrct]

The growing demand for energy-efficient buildings requires advanced smart window technologies capable of dynamically modulating solar radiation. Here, we propose a reversible

electrodeposition and electrochromic mirror (RECM) system that actively controls both visible (light) and near-infrared (NIR) (heat) radiation to regulate indoor conditions while ensuring glare-

free, pedestrian-friendly operation. This system achieves voltage-tunable optical transitions among three distinct modes: transparent (Mode I), visible-blocking (Mode II), and visible + NIR-

blocking mirror state (Mode III). When installed in a miniature model house, the RECM effectively suppresses the indoor temperature rise by mitigating NIR penetration. The incorporation of

complementary electrochromic chromophores (Prussian blue and 1,1′-diheptyl-4,4′-bipyridinium dibromide) reduces glare by absorbing visible light reflected from the mirror-side, overcoming a

key limitation of conventional mirror-containing platforms that restricts their use on building façades. With adaptive solar control, enhanced energy efficiency, and pedestrian-friendly, antiglare

performance, the RECM represents a promising next-generation smart window technology for sustainable urban environments.





 
 
 
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