Recent Advances in Smart Windows Based on Photo-Responsive Liquid Crystals Featuring Phase Transition

Area of Science:

• Materials Science
• Optoelectronics
• Smart Materials

Background:

• Smart windows are optical dimming devices offering intelligent control over light transmission.
• External stimuli, particularly light, enable non-invasive and self-adaptable manipulation of smart window properties.
• Liquid crystals (LCs) are key components in developing photo-responsive smart windows due to their phase transition capabilities.

Purpose of the Study:

• To review recent advancements in smart windows utilizing photo-responsive liquid crystal (LC) systems.
• To highlight the applications of these smart windows in areas like privacy, energy saving, and climate modulation.
• To identify future challenges and opportunities in the development of photo-responsive smart windows.

Main Methods:

• Focuses on a review of existing literature and research on photo-responsive liquid crystal smart windows.
• Analyzes the transition between different phases in LC systems triggered by light.
• Examines the integration of these systems into various applications.

Main Results:

• Significant achievements in smart windows based on photo-responsive LCs have been identified.
• These smart windows demonstrate effective control over optical dimming and phase transitions.
• Applications span privacy protection, absorption glass, building decoration, energy saving, and climate modulation.

Conclusions:

• Photo-responsive LC smart windows represent a significant technological advancement.
• Their diverse applications underscore their potential for widespread adoption.
• Addressing future challenges is crucial for enhancing performance and expanding the utility of these smart windows.