Double‐Sided Indium Tin Oxide Photonic Crystal Glazing for All‐In‐One Multifunctional Rigid and Flexible Windows

Author:

Hwang Young Ji1,Pyun Seung Beom1ORCID,Choi Min Ju1,Kwean Hyerin1,Kim Jeong Han1,Hong Woongpyo2,Park Jung‐Yeon2,Kwak Jinwoo2,Cho Eun Chul1ORCID

Affiliation:

1. Department of Chemical Engineering Hanyang University Seoul 04763 Republic of Korea

2. Materials Research & Engineering Center Hyundai Motor Company 37 Cheoldobangmulgwan‐ro Uiwang‐si Gyeonggi‐do 16082 Republic of Korea

Abstract

AbstractFuturistic and high‐performance windows are required to perform multiple functions, occasionally including photo‐ and electricity‐associated functions. For each function, suitable components must be added, but this might result in complicated window structures that can impede the basic window function: high visibility. Therefore, platform technology is necessary to simplify window structures with minimal components for basic functions while adding specific desirable functions. This study proposes non‐close‐packed indium tin oxide (ITO) photonic crystals coated on both sides of rigid and flexible windows. Their photonic bandgap frequencies (stopbands) are tunable through the modulation of the ITO thickness or lattice constant, thereby manipulating the window light transmittances. When the stopband lies in bluelight (400–500 nm), the window can simultaneously block the bluelight and exhibit high transmittance (antireflection function) at 500–1500 nm. The dual functions are enhanced with double‐sided photonic crystal windows: the optical contrasts in solar irradiance transmittances (ΔTsol) between 500–1500 and 280–500 nm are maximally 37.1% and 47.2% for the glass and polyimide windows, respectively. Additionally, the windows can have dual stopbands. Moreover, the window stopbands can enhance the photoluminescence intensities of quantum dot films. This simplistic window is applicable to houses/buildings, automobiles, electronics, displays, and energy industries.

Funder

National Research Foundation of Korea

Korea Environmental Industry and Technology Institute

Publisher

Wiley

Subject

Industrial and Manufacturing Engineering,Mechanics of Materials,General Materials Science

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