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A pseudo-cubic metal-organic cage with conformationally switchable faces for dynamically adaptive guest encapsulation.
Nat Chem
January 2025
Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge, UK.
The creation of hosts capable of accommodating different guest molecules may enable these hosts to play useful roles in chemical purifications, among other applications. Metal-organic cages are excellent hosts for various guests, but they generally incorporate rigid structural units that hinder dynamic adaptation to specific guests. Here we report a conformationally adaptable pseudo-cubic cage that can dynamically increase its cavity volume to fit guests with differing sizes.
View Article and Find Full Text PDFInterleaved quartic high gain DC-DC converter.
Sci Rep
January 2025
Power Electronics Research Laboratory (PERL), Faculty of Electrical Engineering, Sahand University of Technology, Tabriz, Iran.
This research paper presents a high-gain DC-DC converter with ultra-step-up voltage gain capability. The proposed converter is synthesized from a two-phase interleaved boost converter (IBC), and its voltage gain is doubled by adopting a voltage lift capacitor. To enhance its voltage gain capability, a floating capacitor-based gain extension cell is adopted subsequently.
View Article and Find Full Text PDFCrystal reconstructed cubic nickel oxide with energetic reactive interfaces for exceptional electrochromic smart windows.
Mater Horiz
December 2024
Key Laboratory for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, and School of Nanoscience and Materials Engineering, Henan University, Kaifeng 475004, China.
Electrochromic smart windows can realize intelligent photothermal regulation by applying a low potential, which is of great significance for energy-saving buildings and achieving low carbon emission. However, the dense structure of conventional metal oxide electrochromic materials limits ion transport efficiency, resulting in poor electrochromic properties. Here, we propose a surface crystal reconstruction strategy for cubic NiO through phosphorylation (P-NiO) to build energetic reactive interfaces and enhance the electrochromic performance.
View Article and Find Full Text PDFSuppressed Non-Radiative Recombination in Formamidinium Lead Triiodide under Electric Activation.
ACS Appl Mater Interfaces
December 2024
State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China.
The high carrier lifetime of metal halide perovskite (MHP) materials is closely related to the microscopic crystallographic structure. However, the detailed correlation between the lattice structure and carrier dynamics remains unclear. In this work, we found a correlation between lattice strain and open-circuit voltage () of MHP under electric activation.
View Article and Find Full Text PDFYbRhSn: a valence fluctuating system with ultra-low thermal conductivity.
Dalton Trans
January 2025
Institut für Experimentelle Physik, TU Bergakademie Freiberg, Leipziger Straße 23, 09596 Freiberg, Germany.
YbRhSn crystallizes with a unique structural arrangement [space group 4/, = 9.6997(4) Å, = 13.7710(7) Å], which is related with primitive cubic YbRhSn and body-centered tetragonal (SnTb)TbRhSn types.
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