Author

Hong-Wei Song

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Open access Oct 2026

Efficient Perovskite Solar Cells Based on Dual-Interface "Green" Lead Management.

Perovskite solar cells (PSCs) offer strong potential for sustainable energy conversion, yet their reliance on toxic-lead (Pb) continues to restrict environmental compatibility and large-scale deployment. To address this challenge, a dual-interface Pb-management approach enabled by custom-designed chelating molecules is...

Fan-Cong Zeng, Xin-Tian Su, Zuo-Lin Zhang et al. · Advances in Materials · 0 citations

Oct 2026

12.1% Record-Efficiency 986 nm Quantum-Cutting Quasi-2D Perovskite Light-Emitting Diodes for Large-Area Dual-Mode Applications.

Ytterbium-ion (Yb3+)-doped quasi-2D layered metal halide perovskites (quasi-2D LMHPs) stand out as a transformative platform for near-infrared (NIR) emissions beyond 950 nm, holding great promise for revolutionizing next-generation photonic systems. Herein, we report a synergistic engineering strategy to simultaneously...

Yu-Qi Wang, Dong-Lei Zhou, Ren-Huan Song et al. · ACS Nano · 0 citations

Open access Sep 2026

Record-high efficiency in 1.54 µm electroluminescent diodes based on lead-free Cs3CrBr6: Er3+ semiconductor nanocrystals

The realization of efficient 1.54 µm electroluminescence from erbium ions is persistently hampered by their intrinsically small absorption cross-section and low excitation efficiency in conventional hosts. This study addresses this by synthesizing lead-free Cs3CrBr6 perovskite nanocrystals. This material is a direct-ba...

Han Xu, Tian-Yuan Wang, Wen-Rong Xie et al. · Nature Communications · 0 citations