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Received — 25 July 2026 ⏭ Nature - Energy

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

✇Nature - Energy
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.
Received — 16 July 2026 ⏭ Nature - Energy

Controlled solid-state crystallization with formamidinium acetate for fully vacuum-deposited perovskite solar cells

✇Nature - Energy
By: Yutian Xu · Tengfei Pan · Xiaorong Shi · Yajing Li · Xinwu Ke · Junhao Liu · Na Meng · Yuanhao Cui · Ziqiang Wang · Kui Xu · Xue Min · Zhelu Hu · Lingfeng Chao · Wei Zhu · Chao Ma · Nana Wang · Qingxun Guo · Yingdong Xia · Yonghua Chen · Wei Huang
14 July 2026 at 01:00

Nature Energy, Published online: 14 July 2026; doi:10.1038/s41560-026-02093-8

Vacuum-processed perovskite solar cells show promise, yet their efficiency remains limited. Xu et al. use formamidinium acetate to promote perovskite crystallization, achieving a 25.5% power conversion efficiency and 1,000 h operational stability.
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