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来源:ACS PublicationsWater scarcity and the presence of contaminants of emerging concern (CECs), such as antibiotics, pose significant challenges to sustainable agriculture and public health. In this study, we synthesized and characterized lanthanide-doped zinc oxide (ZnO) photocatalysts (specifically with erbium and ytterbium) to enhance the degradation of sulfamethoxazole (SMX) in wastewater. Utilizing a sol–gel hydrothermal method, we produced various doped ZnO samples and assessed their photocatalytic activity under UV irradiation. The synthesized materials were characterized by powder X-ray...
Release time: 2025 - 05 - 24
viewed:5
来源:ACS PublicationsOptically addressable spin impurities in crystals along with device engineering provide an attractive route to realizing quantum technologies in the solid state, but reconciling disparate emitter and host material constraints for a given target application is often challenging. Rare-earth ions in two-dimensional (2D) materials could mitigate this problem given the atomic-like transitions of the emitters and the versatile nature of van der Waals systems. Here we combine ion implantation, confocal microscopy, and ab initio calculations to examine the photon emission of Er-dope...
Release time: 2025 - 05 - 22
viewed:0
Dynamic Competition between Hubbard and Superexchange Interactions Selectively Localizes Electrons and Holes through Polarons 来源:ACS PublicationsControlling the effects of photoexcited polarons in transition metal oxides can enable the long time-scale charge separation necessary for renewable energy applications and controlling new quantum phases through dynamically tunable electron–phonon coupling. In previously studied transition metal oxides, polaron formation is facilitated by a photoexcited ligand-to-metal charge transfer (LMCT). When the polaron is formed, oxygen atoms move away fro...
Release time: 2025 - 05 - 21
viewed:1
Tetracyanidoborates of Divalent Eu and Yb 3D Metal–Organic Frameworks with Cubic Structure. Thermochromic Luminescence and Slow Relaxation of Magnetization of Eu[B(CN)4]2Click to copy article link 来源:ACS PublicationsTetracyanidoborates of divalent lanthanides, Ln[B(CN)4]2·THF (Ln = Eu (1), Yb (2)), were obtained by a salt metathesis reaction of lanthanide diiodides and ammonium tetracyanidoborate. Unlike known tetracyanidoborates of alkaline-earth metals and trivalent lanthanides, compounds 1 and 2 are 3D metal–organic frameworks (MOFs) with a cubic structure. MOF 1 demonstrates air ...
Release time: 2025 - 05 - 21
viewed:0
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