Enantiomorphic double-polymerized chiral polymer composite template for highly efficient energy-saving green window

Jia De Lin, Meng Huan Wu, Shun An Jiang, Yan Song Zhang, Hung Lin Chen, Ting Shan Mo, Chia Rong Lee

Research output: Contribution to journalArticle

Abstract

An infrared (IR) reflector that has ultra-wide reflection band and high reflectance was successfully fabricated based on an enantiomorphic chiral polymer composite template-made method involving UV-curing, washing-out, stacking, and refilling. In this study, an IR reflector reflecting >80% of incoming solar IR light from 800 nm to 1500 nm and retaining acceptable transmittance in the visible region is demonstrated. This undertaking is achieved by stacking two enantiomorphic double-polymerized chiral polymer templates with large longitudinal pitch gradients as a composite template cell designed for the near-IR region. Heat insulation test reveals that the temperature can be effectively lowered by 2 °C–3 °C by using the IR reflector, thereby indicating that a considerable amount of incident heat could be isolated and a significant amount of energy could be saved by cooling. The sample has potential in green and military applications, such as energy-saving green windows and anti-IR devices.

Original languageEnglish
Article number122586
Journalpolymer
Volume200
DOIs
Publication statusPublished - 2020 Jun 18

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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