Big Data Analysis, Design, Effect Fabrication, and Properties Analysis of SiO2/Cr/SiO2 Colored Solar Selective Absorbers with High PTCE and Chromaticity for Building Applications
In today's era of rapid computing, advanced big data analytics enables precise results and efficient trend analysis. By leveraging these tools, the influence of various film thicknesses of Colored Solar Selective Absorbers (CSSAs) on solar absorption efficiency (α<sub>s</sub>) and chromaticity was investigated. A clear and visually informative Chromaticity Coordinate Distribution (CCD) versus α<sub>s</sub> diagram was constructed within the CIE xy chromaticity diagram, establishing a correlation between chromaticity and α<sub>s</sub>. Photo-Thermal Conversion Efficiency (PTCE) ≈ α<sub>s</sub> - 2% when α<sub>s</sub> ≥ 90%. Subsequently, utilizing colored CCD-α<sub>s</sub> diagrams, seven SiO<sub>2</sub>/Cr/SiO<sub>2</sub> CSSAs, each with unique colors and α<sub>s</sub>, were designed, fabricated, and subjected to an analysis of their optical and material properties. We explored the influence of oxygen atom infiltration into the CSSA, leading to the oxidation of the Cr layer and consequent alterations in CSSA properties. Additionally, this study delved into analyzing the effect of substrate surface roughness on the oxidation resistance, α<sub>s</sub>, color, and corrosion resistance of CSSAs.
Authors
- Fu‐Der Lai (ORCID: https://orcid.org/0000-0001-9499-9908)
- Changsong Chen (ORCID: https://orcid.org/0000-0003-4777-5113)
- Yen‐Ting Lai (ORCID: https://orcid.org/0000-0003-3700-6417)
Institutions
- Chung Yuan Christian University (TW)
- National Kaohsiung University of Science and Technology (TW)
Publication Details
- Journal
- Materials
- Published
- 2024-11-27
- DOI
- https://doi.org/10.3390/ma17235810
- Citations
- 5
- Primary Topic
- Solar Thermal and Photovoltaic Systems
- Type
- article
- Field-Weighted Citation Impact
- 0.51
Funders
- National Science Council