Synergistic Effects of Multimodal Polydopamine Coating on NaGdF4@NaYF4:Nd3+ Nanostructured Alginate Microspheres through the Combination of Chemotherapy and Photothermal Therapy 来源：ACS PublicationsNanophosphors have gained substantial attention in recent years for both the diagnosis and treatment of cancer. Near-infrared optical imaging based on Nd3+-doped rare-earth nanophosphors is widely used for deep penetration tissue imaging. The present work aims to develop a hierarchical structure of polydopamine (PDA)-coated alginate microspheres encapsulated with NaGdF4@NaYF4:Nd3+ and cisplatin ...
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2025
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Addressing Discrepancies between Theory and Experiments in Boltzmann Luminescence Thermometry with Ln3+ Ions 来源：ACS PublicationsTrivalent lanthanide ion-doped nanoparticles are widely employed as nanoscale thermometers, driving rapid advancements in real-world applications. When using the Luminescence Intensity Ratio (LIR) technique, a calibration process is often required to determine macroscopic calibration parameters. However, despite extensive studies from various research groups, significant discrepancies are observed among the reported values, even for identical Ln3+–host systems un...
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2025
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来源：ACS PublicationsWe report the activity of transition metals (Fe, Co, and Ru) supported on CeO2 (CeO) and Gd-doped CeO2 (CeGdO) for ammonia synthesis. Compared with BM/CeO (BM = Fe + Co), the Ru/BM/CeGdO catalyst achieved 3.1-fold higher rates at 450 °C and 0.8 MPa. Such high activity was attributed to the basicity of the catalysts and their reversible hydrogen storage ability. Specifically, built-in oxygen vacancies and partially reduced ceria support readily transfer electrons to the metals. Further, the electron-rich metal surface easily dissociates N2 and forms NH3 at rapid rates. K...
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2025
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Structural Transformations in Nickel-Doped Lanthanum-Based Electrocatalyst for Enhanced Oxygen Evolution Reaction 来源：ACS PublicationsMetal oxides are among the most promising electrocatalysts for the oxygen evolution reaction (OER). However, metal oxides often exhibit poor conductivity and electron transfer, limiting efficient charge transfer. Tuning the population of the d-orbital near the Fermi level and inducing porosity at the electrode–electrolyte interface can alter the charge transfer kinetics. This can also be achieved via doping with a conductive metal such as nickel (Ni) as it e...
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2025
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