Michael J. Chang, LLC
Monolithic tandem chalcopyrite-perovskite photovoltaic device
Monolithic tandem chalcopyrite-perovskite photovoltaic devices and techniques for formation thereof are provided. In one aspect, a tandem photovoltaic device is provided. The tandem photovoltaic device includes a substrate; a bottom solar cell on the substrate, the bottom solar cell having a first absorber layer that includes a chalcopyrite material; and a top solar cell monolithically integrated with the bottom solar cell, the top solar cell having a second absorber layer that includes a perovskite material. A monolithic tandem photovoltaic device and method of formation thereof are also provided.
International Business Machines Corporation
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Supratik Teodor K. Charles Yun Seog
Guha Todorov Sturdevant Lee