Scientists design 30.22%-efficient perovskite-silicon tandem solar cell with heterojunction bottom tech

An international research team has developed a perovskite-silicon tandem solar cell with a hole transport layer based on methyl-substituted carbazole and submicron-sized textured silicon bottom heterojunction cells. The proposed cell configuration uses commercially available Czochralski silicon wafers and promises efficiencies over 30%. An international research team has developed a perovskite-silicon tandem solar cell that utilizes a bottom cell based on a heterojunction (HJT) design and improved hole transport layers (HTLs). "The novelty of our approach lies in several innovative techniques ...

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