Results 171 to 180 of about 96,545 (355)

Defect Engineering Activates Pyrene‐Based Covalent Organic Frameworks for Efficient Photocatalytic Uranium Capture

open access: yesAdvanced Science, EarlyView.
A defect‐engineered pyrene‐based covalent organic framework (TP‐PYTO‐SA) is developed via strategic salicylaldehyde incorporation. This approach simultaneously enhances hydrophilicity and introduces uranyl coordination sites, while optimized defect density significantly improves charge separation.
Weikun Yao   +5 more
wiley   +1 more source

Electron Paramagnetic Resonance (EPR) Detection of Nitric Oxide Produced during Forebrain Ischemia of the Rat

open access: yesJournal of Cerebral Blood Flow and Metabolism, 1994
T. Tominaga   +3 more
semanticscholar   +1 more source

A photosensitive Cr3+ center in photorefractive Bi12SiO20 crystals co-doped with chromium and phosphorus [PDF]

open access: yes, 2011
Abragam A.   +6 more
core   +2 more sources

Chemical Upcycling of Polyphenylene Sulfide at Room Temperature

open access: yesAdvanced Science, EarlyView.
Poly(phenylene sulfide) (PPS) is a semi‐crystalline super engineering plastic with exceptional properties. An iron‐photocatalyzed strategy is reported for chemical upcycling of PPS plastics at room temperature using 1,2‐dichloroethane. The method demonstrates remarkable efficiency across diverse PPS resins and post‐consumer composites, even within ...
Boning Gu, Chengliang Li, Xuefeng Jiang
wiley   +1 more source

Light‐Promoted Hydrazine Dehydrogenation over Ni/NH2‐MIL‐125: Unraveling Mechanisms for Efficient Hydrogen Production

open access: yesAdvanced Science, EarlyView.
Highly dispersed and electron‐rich Ni nanoparticles (≈2.7 nm) supported on NH2‐MIL‐125 significantly promote the dehydrogenation of hydrous hydrazine under visible‐light irradiation, achieving a turnover frequency of 220.2 h−1 at 323 K, which is more than twice that in the dark (108.1 h−1) and outperforms most reported non‐precious metal catalysts ...
Jianjun Long   +6 more
wiley   +1 more source

CHARACTERIZATIONS AND ELECTRON PARAMAGNETIC RESONANCE (EPR) QUASICRYSTALS IN AN ICOSAHEDRAL PHASE [PDF]

open access: diamond, 2018
Lourdes Cristina Lucena Agostinho Jamshidi   +2 more
openalex   +1 more source

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