Computer Simulation on Mo/Al2O3 Solar Energy Selective Absorbing Coating

Jian Feng Li; Li Zhi Guo

doi:10.4028/www.scientific.net/AMR.189-193.66

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 189-193Computer Simulation on Mo/Al2O3 Solar Energy...

Computer Simulation on Mo/Al₂O₃ Solar Energy Selective Absorbing Coating

Abstract:

Mo/Al₂O₃ solar energy selective absorbing coating is simulated on computer. Mo/Al₂O₃ metal ceramic mixed-film is deposited on stainless steel sheet using magnetron sputtering. Maxwell-Garnett effective medium theory is applied to analyze the optical constant of Mo/Al₂O₃ granular film. As the wavelength λ changes, the variation regulation of Mo filling factor and the optical constant n, k of metal ceramics granular film at 300 nm~800 nm is theoretically calculated, which is based on Mo/Al₂O₃ bulk materials and optical constant of sputtering film. The coating is simulated successfully with Al2O3 optical parameter found in references. The thickness of each film layer and the proportion between Mo and Al₂O₃ are simulated completely, thus the function of each layer is defined and the optimal thickness of film and Mo/Al₂O₃ proportion are determined. Production technology is improved.

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Periodical:

Advanced Materials Research (Volumes 189-193)

Pages:

66-69

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.189-193.66

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Online since:

February 2011

Authors:

Jian Feng Li, Li Zhi Guo

Keywords:

Coating, Solar Energy

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