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Copper-Zinc-Tin-Sulphide on Silicon Multi-Junction Solar Cells

Sector: Metal • Location: Australia

Source: Australian Renewable Energy Agency (ARENA)

Project
Closed

The Copper-Zinc-Tin-Sulphide on Silicon Multi-Junction Solar Cells project aims to develop a new generation of silicon wafer solar cell technology by producing tandem devices that can improve on the world record 25% efficiency achieved by UNSW with silicon wafer-based solar cells in 2008.Key resultsDuring this project, UNSW’s thin film solar cell research team:Set 5 independently confirmed world r

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The project “Copper-Zinc-Tin-Sulphide on Silicon Multi-Junction Solar Cells” is an infrastructure initiative in the Metal sector, located in Australia. Taiyo aggregates data on it from Australian Renewable Energy Agency (ARENA).

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The Copper-Zinc-Tin-Sulphide on Silicon Multi-Junction Solar Cells project aims to develop a new generation of silicon wafer solar cell technology by producing tandem devices that can improve on the world record 25% efficiency achieved by UNSW with silicon wafer-based solar cells in 2008.Key resultsDuring this project, UNSW’s thin film solar cell research team:Set 5 independently confirmed world records for CZTS solar cell efficiencyDemonstrated over 22% efficiency for CZTS/Si tandem cellsGenerated different strategies for stacking high band gap CZTS top cell with Si bottom cells,including epitaxial growth of CZTS on Si, stacking semi transparent CZTS on Si, and four terminal (4T) tandem cell structure by spectrum splitting.The technical challenges that the project addressed are relatively specific to kesterite solar cell technology and related Si based tandem solar cells. However, the achievements and lessons learned can be applied to other projects which involve other chalcogenide thin film technology, other top cell options with Si based tandems.

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