Traditional single-junction cells have a maximum theoretical efficiency of 34%, a theoretical "infinite-junction" cell would improve this to 87% under highly concentrated sunlight.
candy4me wrote:I am wondering how a quantum dot solar cell actually produces electricity? Is it similar to the way electrons are excited in a typical silicon cell?
candy4me wrote:why are quantum dot solar cells only about 7% efficient
candy4me wrote:why is 61% the theoretical effciency limit for a quantum dot solar cell, as opposed to 87% for multijunction?
Craig_Bridge wrote:Yes, electron energy level is raised to free an electron by photon interaction.
candy4me wrote:In that case, is the material used to make the quantum dots (e.g. lead sulfide) doped with impurities to create the P/N junction?
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