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Efficient perovskite/Cu(In,Ga)Se₂ tandem solar cells with a composite intermediate recombination layer

Challenges remain in optimizing efficiency and stability of monolithic perovskite/Cu(In,Ga)Se₂ (CIGS) tandem solar cells. Here, authors develop a composite-structured intermediate recombination layer and achieve maximum efficiency of 28.04% and 30.71% for 0.51 cm² and 0.15 cm² cells, respectively.

Wang Li
Junjun Zhang
Xudong Xiao
ResearchOpen Access10 Dec 2025
Nature Communications

Volume: 17, P: 1-11
Highly efficient narrow bandgap Cu(In,Ga)Se₂ solar cells with enhanced open circuit voltage for tandem application

Pure CuInSe₂ solar cells suffer from strong interfacial carrier recombination. Here, the authors introduce a wide U-shaped double Ga grading with a minimum bandgap of 1.01 eV and achieve certified device efficiency of 20.26%, making it highly suitable for tandem solar cell applications.

Junjun Zhang
Zengyang Ma
Xudong Xiao
ResearchOpen Access28 Nov 2024
Nature Communications

Volume: 15, P: 1-11
Amlodipine exerts inhibitory effects against glioma stem cells through degrading EGFR and down-regulating its downstream pro-survival pathways

Zengyang Li
Xiaopei Zhang
Jun Dong
ResearchOpen Access27 Oct 2025
Cell Death Discovery

Volume: 11, P: 1-15
Influence of drilling incidence angle on the drilling force distribution of pneumatic impactor

Dongfang Li
Zengyang Huang
Yujuan Deng
ResearchOpen Access15 Jan 2025
Scientific Reports

Volume: 15, P: 1-9
Numerical analysis on the drilling force of pneumatic impactors under different working conditions and structural parameters

Dongfang Li
Lianghuai Tong
Xuyang Chen
ResearchOpen Access29 Sept 2025
Scientific Reports

Volume: 15, P: 1-12

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Efficient perovskite/Cu(In,Ga)Se2 tandem solar cells with a composite intermediate recombination layer

Highly efficient narrow bandgap Cu(In,Ga)Se2 solar cells with enhanced open circuit voltage for tandem application

Amlodipine exerts inhibitory effects against glioma stem cells through degrading EGFR and down-regulating its downstream pro-survival pathways

Influence of drilling incidence angle on the drilling force distribution of pneumatic impactor

Numerical analysis on the drilling force of pneumatic impactors under different working conditions and structural parameters

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Efficient perovskite/Cu(In,Ga)Se₂ tandem solar cells with a composite intermediate recombination layer

Highly efficient narrow bandgap Cu(In,Ga)Se₂ solar cells with enhanced open circuit voltage for tandem application