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person:("koyama, S.")
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person:("akiyama, S.")
Advanced fabrication technologies of integrated-type structure for a-Si solar cells
Microcrystalline silicon-germanium solar cells for multi-junction structures
Optical confinement in high-efficiency a-Si solar cells with textured surfaces
Development of high-efficiency a-Si solar cell submodule with a size of 30 cm x 40 cm
HITTM Cells -- High-Efficiency Crystalline Si Cells with Novel Structure