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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.

Chiral superfluorescence from perovskite superlattices at room temperature

Nature

By: Qi Wei · Jonah S. Peter · Hui Ren · Weizhen Wang · Luwei Zhou · Qi Liu · Stefan Ostermann · Jun Yin · Songhua Cai · Susanne F. Yelin · Mingjie Li

3 June 2026 at 01:00

Nature, Published online: 03 June 2026; doi:10.1038/s41586-026-10637-x

Chiral perovskite superlattices exhibit room-temperature circularly polarized superfluorescence, with emission intensity and polarization controllable by weak magnetic fields.