Combinatorial Screening of Chloride-doped Absorbers for Stable Perovskite Tandem Solar Cells
Halide perovskites are versatile semiconductors that can be used in a variety of optoelectronic devices, including tandem solar cells in combination with silicon. Since the bandgap can be tuned through partial replacement of the constituents in the generic ABX3 structure, they are interesting for tandem devices, but they suffer from instability, e.g., through phase segregation. Interestingly, there appear to be compositions with higher stability, through an addition of Cl. In this project, the aim is to identify such combinations by creating combinatorial libraries with different Cl-sources and measuring them in an automated setup upon aging. As a result, the most stable compositions under accelerated aging will be identified.
Status: Ongoing
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