Realization of energy-saving glass using photonic crystals

2018, Volume 12, Issue 1

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Frontiers in Energy >> 2018, Volume 12, Issue 1 doi: 10.1007/s11708-018-0523-9

Realization of energy-saving glass using photonic crystals

. Department of Mechanical Engineering, Cheng Kung University, Tainan 701, Taiwan, China.. Department of Power Mechanical Engineering, TsingHua University, Hsinchu 300, Taiwan, China

Accepted: 2018-01-12 Available online: 2018-03-08

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Abstract

This work successfully developed an energy-saving glass with wavelength selectivity. The glass is composed of a SiO substrate and two layers of three-dimensional photonic crystals. Each crystal is composed of identical and transparent polystyrene spheres after their self-assembling. The glass then possesses dual photonic band gaps in the near-infrared region to suppress penetration of thermal radiation. Experimental results show that the energy-saving glass decreases temperature increment in a mini-house. Moreover, the temperature after thermal equilibrium is lower than that inside a counterpart using ordinary glass.

Keywords

energy-saving glass ; photonic crystals ; polystyrene spheres ; self-assembly

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