High-efficiency, monolithic, multi-bandgap, tandem...

Batteries: thermoelectric and photoelectric – Photoelectric – Panel or array

Reexamination Certificate

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C136S255000, C136S256000, C136S261000, C136S262000, C438S037000, C438S057000, C438S093000, C438S098000, C438S705000, C438S718000, C438S745000, C438S752000, C438S753000, C257S053000, C257S184000, C257S190000, C257S191000, C257S200000, C257S201000

Reexamination Certificate

active

08067687

ABSTRACT:
A monolithic, multi-bandgap, tandem solar photovoltaic converter has at least one, and preferably at least two, subcells grown lattice-matched on a substrate with a bandgap in medium to high energy portions of the solar spectrum and at least one subcell grown lattice-mismatched to the substrate with a bandgap in the low energy portion of the solar spectrum, for example, about 1 eV.

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