High-efficiency thin-film solar cell provided with up-conversion fluorescent material film and film preparation method thereof
A technology for solar thin films and solar cells, which is applied in the fields of luminescent materials, photovoltaic power generation, chemical instruments and methods, etc., can solve the problems of fluorescent materials and thin films that are not prepared for visible light, and achieves improvements in photoelectric conversion efficiency and stability, and increases Photoelectric conversion efficiency and stability, and the effect of increasing the absorption range of the energy spectrum
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[0089] 1. Battery structure: The high-efficiency solar thin-film battery with an up-conversion fluorescent material film layer has one of the following structures:
[0090] (1) Single-junction multi-stacked PIN thin-film solar cells include the following two structures:
[0091] The first structure is: stainless steel substrate / up-conversion fluorescent material thin film / TCO / n-μc-Si / i-A-SiC / i-A-Si / i-μc-SiC / P-A-SiC / TCO / anti-reflection film;
[0092] The second structure is: Al / up-conversion fluorescent material film / TCO / n-μc-Si / i-A-Si 1-x Ge x / i-A-Si / i-μc-SiC / P-A-SiC / glass substrate / anti-reflection coating.
[0093] The solar cells of the two kinds of single-junction multi-stacked PIN film structures and the film layer preparation process are as follows: Figure 16 , Figure 17 shown.
[0094] (2) Multi-junction and multi-layer PIN thin film solar cells include the following two structures:
[0095] The first structure is: stainless steel substrate / up-conversion fluores...
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