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High-efficiency AlGaAs/GaAs concentrator (2500 suns) solar cells

V. M. Andreev, В. П. Хвостиков, V. R. Larionov, V.D. Rumyantsev, E.V. Paleeva, M. Z. Shvarts

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Abstract

A study is made AlGaAs/GaAs heterostructure solar cells that have been optimized for ultrahigh concentrations of sunlight (1000–2500 suns). The maximum efficiencies were 25.1% at 500 suns, 25% at 1000 suns, and 22.8% at 2000 suns for sunlight passing through an air mass of AM1.5. Cells of this type open up the possibility of reducing the surface area of solar cells by more than three orders of magnitude and, as a result, substantially lowering the cost of electrical energy in power equipment with sunlight concentrators.

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What this paper is about

A study is made AlGaAs/GaAs heterostructure solar cells that have been optimized for ultrahigh concentrations of sunlight (1000–2500 suns). The maximum efficiencies were 25.1% at 500 suns, 25% at 1000 suns, and 22.8% at 2000 suns for sunlight passing through an air mass of AM1.5. Cells of this type open up the possibility of reducing the surface area of solar cells by more than three orders of magnitude and, as a result, substantially lowering the cost of electrical energy in power equipment with sunlight concentrators.

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OpenAlex reports 7 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A study is made AlGaAs/GaAs heterostructure solar cells that have been optimized for ultrahigh concentrations of sunlight (1000–2500 suns). The maximum efficiencies were 25.1% at 500 suns, 25% at 1000 suns, and 22.8% at 2000 suns for sunlight passing through an air mass of AM1.5. Cells of this type open up the possibility of reducing the surface area of solar cells by more than three orders of magnitude and, as a result, substantially lowering the cost of electrical energy in power equipment with sunlight concentrators.

Key concepts: Suns in alchemy, Concentrator, Sunlight, Optoelectronics, Materials science, Heterojunction, Solar energy, Energy conversion efficiency

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