Eco-friendly solar cells improve power generation efficiency by resolving defects

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https://techxplore.com/news/2022-08-eco-friendly-solar-cells-power-efficiency.html

"Thin Film Solar Cell world's highest power conversion efficiency 12.6%... absorber layer produced coating copper, zinc, and tin in random order... reacting... sulfur and selenium at high temperatures... large pores were not formed when zinc was coated first. This is a source technology that can suppress pore formation and is expected to further increase the power generation efficiency... induced change microstructure... by changing deposition order... metal thin film... suppress pore formation"