Flip-chip Multi-junction Solar Cell and Fabrication Method Thereof
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Aug 5, 2017
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Oct 14, 2015
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A flip-chip multi junction solar cell chip integrated with a bypass diode includes from up to bottom: a glass cover; a transparent bonding layer; a front electrode; an n/p photoelectric conversion layer; a p/n tunnel junction; a structure layer of the n/p bypass diode; a first backside electrode; a second backside electrode. The solar cell chip also includes at least a through hole extending through the n/p photoelectric conversion layer, the p/n tunnel junction and the structure layer of the n/p bypass diode. An ultra-thin substrate-less cell can therefore be provided without occupying effective light receiving areas, greatly improving cell heat dissipation. With a light weight, the chip can also have advantages in space power application.
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