High-performance perovskite/silicon tandem solar cells enabled by multifunctional titanium oxynitride recombination layers

By: Fengxian Cao · Yao Li · Shibo Wang · Kin Long Wong · Cao Yu · Xinya Niu · Bo Gao · Wenhao Li · Jianwei Yu · Yue Zhang · Yiliang Wu · Jun Zhu · Wei Shi · Kun Gao · Liu Yang · Bowen Yang · Wenzhen An · Shifeng Deng · Lei Shi · Shaofei Yang · Xi Chen · Fei Wang · Hanlin Hu · Ruy Sebastian Bonilla · Jian Zhou · Jun Yin · Xiaohong Zhang · Xinbo Yang

24 July 2026 at 01:00

Nature Energy, Published online: 24 July 2026; doi:10.1038/s41560-026-02116-4

The interconnected recombination layer is key to advance perovskite/silicon tandem solar cells. Cao et al. show that titanium oxynitride reconciles the requirements for recombination layers, improving the efficiency and stability for tandem solar cells and modules.

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