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Lead Safe Perovskite Recovery and Reuse System

THE CHALLENGE Commercialization of lead halide perovskite technologies faces a critical barrier at the intersection of performance, safety, and lifecycle economics. While these materials enable highly efficient solar cells, light detectors, and light emitting devices, their reliance on lead introduces significant environmental and regulatory risk...

Published: 7/30/2026 | Updated: 7/30/2026 | Inventor(s): Qian Wang, Lina Quan

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Category(s): Technology Classifications > Chemicals/Materials, Technology Classifications > Mining and Recycling

Broadband Achromatic Wave-Plates based on 2D Copper Halide Perovskites

THE Challenge Achromatic quarter waveplates (A-QWPs), traditionally constructed from multiple birefringent crystals, can modulate light polarization and retardation across a broad range of wavelengths. However, the conventional design of A-QWPs requires the incorporation of multiple birefringent crystals, which complicates the manufacturing process...

Published: 10/24/2025 | Updated: 7/9/2025 | Inventor(s): Lina Quan, Yixuan Dou

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Category(s): Technology Classifications, Technology Classifications > Chemicals/Materials