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High-Entropy Metal Interstitials Activate TiO for Robust Catalytic Oxidation.
Adv Mater
January 2025
Hefei National Laboratory for Physical Sciences at the Microscale, Department of Applied Chemistry, Department of Environmental Science and Engineering, Center of Advanced Nanocatalysis (CAN), University of Science & Technology of China, Hefei, Anhui, 230026, P. R. China.
Substitution metal doping strategies are crucial for developing catalysts capable of activating O, but the leaching of metal dopants has greatly hindered their potential for extensive oxidation reactions under mild conditions. Here, the study develops an entropy-increase strategy to synthesize high-entropy metal (Mg, Ca, Mn, Fe, and Co) interstitial functionalized anatase TiO (HE-TiO) nanosheets, demonstrating remarkable degradation efficiency across a wide pH range and exceptional stability in a flow-by electro-catalytic reactor. Relative to that of pristine TiO, the intense lattice distortion on the (001) plane, an average lattice expansion of 2% on the (100) plane, and decrease of second shell peak of X-ray absorption spectra serve as compelling evidence for the formation of metal interstitials in HE-TiO.
View Article and Find Full Text PDFPermanent Electride Magnets Induced by Quasi-Atomic Non-Nucleus-Bound Electrons.
Adv Mater
January 2025
Department of Materials Science and Engineering, Yonsei University, Seoul, 03722, Republic of Korea.
Article Synopsis
- Interstitial quasi-atomic electrons (IQEs) significantly influence the magnetism of crystalline electrides, with their own magnetic moments affected by nearby cations.
- Weak spin-orbit coupling and limited interactions prevent these systems from achieving hard magnetism, presenting a challenge for stronger magnetic properties.
- However, certain 2D electrides, like [ReC]·2e, exhibit permanent magnetism by creating a ferrimagnetic state and demonstrate high coercivity due to the interaction between Re-spin and IQE-spin lattices.
Mechanisms of Phase Evolution in the Cu-Sb-S System Controlled by the Incorporation of Cu in SbS Thin Films.
ACS Appl Mater Interfaces
December 2024
Laboratorio de Diseño y Optimización de Recubrimientos Avanzados (DORA-Lab), CIMAV-Mty/TECNL-CIIT, Parque de Investigación e Innovación Tecnológica, Apodaca, Nuevo León 66629, México.
Ongoing research in metal chalcogenide semiconductors aims to develop alternative materials for optoelectronic devices. However, due to cost and environmental considerations, there is an increasing emphasis on utilizing green materials. This shift toward sustainable materials and processing is expected to become essential in materials research.
View Article and Find Full Text PDFSynergistic Effect of Anchoring Transitional/Interstitial Sites on Boosting Structural and Electrochemical Stability of O3-Type Layered Sodium Oxides.
ACS Appl Mater Interfaces
December 2024
Guangxi Key Laboratory of Low-Carbon Energy Materials, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, China.
O3-type layered oxides are considered promising cathode materials for next-generation high-energy-density sodium-ion batteries (SIBs). However, they face challenges, such as low rate capacity and poor cycling stability, which arise from structural deformation, sluggish Na diffusion kinetics, and interfacial side reactions. Herein, a synergistic substitution strategy for transitional and interstitial sites was adopted to improve the structure stability and Na diffusion kinetics of the O3-type NaNiFeMnO.
View Article and Find Full Text PDFA liver transplant patient developed renal injury on tacrolimus and experienced worsening renal function and rhabdomyolysis after switching to sirolimus: a case report.
BMC Nephrol
December 2024
Department of Nephrology, Kidney Research Institute, West China Hospital of Sichuan University, Chengdu, 610041, China.
Article Synopsis
- A 54-year-old male liver transplant patient initially treated with tacrolimus developed renal dysfunction, prompting a switch to sirolimus for immunosuppression.
- After starting sirolimus, the patient experienced worsening renal function and later developed rhabdomyolysis, linked to high sirolimus levels in serum and specific kidney damage seen in histopathology.
- Reducing the sirolimus dosage led to normalization of muscle enzyme levels and improved kidney function, emphasizing the need for careful monitoring of sirolimus concentrations to prevent such serious side effects.
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