Unusual make for kesterite-kesterite tandem solar cells guarantees 24% effectivity

Unusual make for kesterite-kesterite tandem solar cells guarantees 24% effectivity

2 Scientists in China own designed a kesterite-kesterite solar cell with an optimized constructing that can doubtlessly discontinuance efficiencies nearing those of crystalline silicon PV gadgets. They improved the efficiency of the 2 subcells by adjusting band alignment at interfaces, deciding on unswerving buffer layers, and adding a double layer to every gadgets…
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