Inhibiting defect passivation failure in perovskite for perovskite/Cu(In,Ga)Se<sub>2</sub> monolithic tandem solar cells with certified efficiency 27.35%
Nature Energy, Published online: 30 June 2025; doi:10.1038/s41560-025-01761-5
Pei et al. overcome desorption of passivating molecules under photothermal stress in wide-bandgap perovskites and achieve perovskite/Cu(In,Ga)Se2 tandem solar cells with a certified efficiency of 27.35%.A nickel for your superconductivity
Nature Materials, Published online: 30 June 2025; doi:10.1038/s41563-025-02277-9
High-quality superconducting thin films of the bilayer nickelate La2PrNi2O7 were prepared via a two-step post-annealing procedure, facilitating in-depth investigations of its intrinsic physical properties and microscopic mechanisms.Hybrid epoxy–acrylate resins for wavelength-selective multimaterial 3D printing
Nature Materials, Published online: 30 June 2025; doi:10.1038/s41563-025-02249-z
A hybrid epoxy–acrylate resin is reported for the digital light processing 3D printing of bioinspired metamaterial structures with precisely patterned hard and soft domains.Thu 10 Jul 14:00: Title to be confirmed
Abstract not available
- Speaker: Prof. Haiming Yu (Beihang)
- Thursday 10 July 2025, 14:00-15:15
- Venue: Seminar Room 3, RDC.
- Series: Theory of Condensed Matter; organiser: Bo Peng.
Wed 02 Jul 14:00: Rethinking Antarctic Polynya Productivity: The Impact of Ice-Adjacency Effects on NPP Estimates along Icy Coasts
Ocean color-based estimates of Antarctic net primary productivity (NPP) have indicated low nearshore productivity in ice-adjacent waters, contrasting with coupled physical-biogeochemical models. To understand this discrepancy, we assessed satellite records of polynya NPP by comparing field data with two satellite imagery datasets derived using different processing schemes. Our results indicate historical underestimation of chlorophyll a (Chl) for imagery obtained using default atmospheric correction processing within approximately 100 km of ice-covered coastlines due to adjacency effects. Using radiative transfer modeling, we find that biases in ocean color polynya observations due to adjacency effects correspond to the high albedo of ice and snow. When applying an atmospheric correction processing scheme more robust to adjacency contamination, estimates of NPP more than doubled in 65 % of polynyas, especially smaller eastern Antarctic polynyas. Adjacency effects should therefore be managed when analyzing spatial and temporal trends in Antarctic coastal primary productivity.
- Speaker: Hilde Oliver, Woods Hole Oceanographic Institution
- Wednesday 02 July 2025, 14:00-15:00
- Venue: BAS Seminar Room 1.
- Series: British Antarctic Survey - Polar Oceans seminar series; organiser: Dr Yohei Takano.