Tunable Color-Variable Solar Absorber Based on Phase Change Material Sb2Se3

In this paper, a dynamic color-variable solar absorber is designed based on the phase change material Sb2Se3. High absorption is maintained under both amorphous Sb2Se3 (aSb2Se3) and crystalline Sb2Se3 (cSb2Se3). Before and after the phase transition leading to the peak change, the structure shows a...

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Published inNanomaterials (Basel, Switzerland) Vol. 12; no. 11; p. 1903
Main Authors Li, Xin, Luo, Mingyu, Jiang, Xinpeng, Luo, Shishang, Yang, Junbo
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 02.06.2022
MDPI
Subjects
Amorphous materials
Angles (geometry)
Antimony compounds
Boundary conditions
Clean technology
Color
Crystal structure
Crystallinity
dynamic color-variable solar absorber
Efficiency
Electric fields
Electromagnetism
Light
Optical properties
phase change material Sb2Se3
Phase change materials
Phase transitions
Photovoltaic cells
Physical properties
Selenides
Simulation
Solar energy
Solar energy absorbers
Spectrum allocation
Thin films
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Summary:In this paper, a dynamic color-variable solar absorber is designed based on the phase change material Sb2Se3. High absorption is maintained under both amorphous Sb2Se3 (aSb2Se3) and crystalline Sb2Se3 (cSb2Se3). Before and after the phase transition leading to the peak change, the structure shows a clear color contrast. Due to peak displacement, the color change is also evident for different crystalline fractions during the phase transition. Different incident angles irradiate the structure, which can also cause the structure to show rich color variations. The structure is insensitive to the polarization angle because of the high symmetry. At the same time, different geometric parameters enable different color displays, so the structure can have good application prospects.
Bibliography:ObjectType-Article-1
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These authors contributed equally to this work.
ISSN:2079-4991
2079-4991
DOI:10.3390/nano12111903