A few years ago, Cadmium-core QD performed better
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If the advances that increased CFQD performance can be applied to Tetrapod Cd QD so there will continue to be a difference by the better performance of Cd, then Tetrapod Cd QD will be used for solar PV applications where best performance is a mandatory factor. First Solar uses CdTe in their solar panels, and new perovskite solar cells can use both lead Pb and Cd.