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Improving interface-mediated carrier transport for efficient perovskite/Cu(In,Ga)Se<sub>2</sub> tandem solar cells

By: Li Zeng · Wuji Wang · Liting Tang · Xing Gao · Haofei Xia · Xiaomin Wang · Zekai Luo · Yuqi Zhao · Yan Gao · Zhuo Xue · Wenbo Li · Yue Sun · Jiangtong Zhao · Jiajv Wang · Yong Liu · Weiqing Zhou · Rui Sun · Jie Min · Guilin Chen · Ti Wang · Sheng Wang · Shengjun Yuan · Xudong Xiao · Jianmin Li

5 August 2026 at 01:00

Nature Energy, Published online: 05 August 2026; doi:10.1038/s41560-026-02125-3

The performance of perovskite/Cu(In,Ga)Se2 tandem solar cells is limited by optical and electronic losses at the interfaces between layers. By engineering two of these interfaces, Zeng, Wang, Tang et al. achieve a certified efficiency of 30.57% and improved device stability.

Hydrogen-bond-engineered polymer dielectrics for 250 °C operation enabled by deep-learning-based virtual screening

RSC - Energy Environment

By: Jinfeng Li · Tao Lu · Ruize Wang · Shiqi Wang · Wei Jiang · Binhan Lv · Yan Gao · Tian Zhang

8 June 2026 at 00:00

Energy Environ. Sci., 2026, Advance Article
DOI: 10.1039/D6EE01214K, Paper

Jinfeng Li, Tao Lu, Ruize Wang, Shiqi Wang, Wei Jiang, Binhan Lv, Yan Gao, Tian Zhang
Deep learning-guided virtual screening identifies a hydrogen-bonding polymer additive (O-PU) that induces a low-entropy nanocrystalline network in polyimide, delivering a record discharged energy density of 5.99 J cm⁻³ with >90% efficiency at 250 °C.
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