Three PEPPERONI project partners have been actively working on the top-cell development via different processing routes: HZB using vacuum-based perovskite-deposition methods, CSEM using solution-based and hybrid processes, and QC selecting one relevant process route for industrialisation. The objective of this deliverable was to demonstrate a perovskite/Si tandem solar cell with an active area >200 cm², excluding the wafer edges, an objective achieved by QC.

Ref: https://www.q-cells.de/presseportal/tandem-record-release