Results 141 to 150 of about 16,029 (248)

Matching the Coupling of Valence Electrons in the Oxide Interface to Perturb the Magnetic Order Enhancing Oxygen Reduction in Zinc–Air Batteries

open access: yesAngewandte Chemie, EarlyView.
Sub‐5 nm Fe2O3/Sm2O3 heterojunction nanoparticles are anchored on nitrogen‐doped carbon nanofibers, featuring coupled Fe(3d)‐O(2p)‐Sm(4f) orbitals at the interface. The resulting super‐exchange induces antiparallel magnetic ordering at heterointerfaces, suppressing spin‐dependent interaction between surface OH* species and Fe sites to facilitate OH ...
Jing Li   +9 more
wiley   +2 more sources

Stabilisierung des Elektronenakzeptors Hexacyanotrimethylencyclopropan—Strukturelle und Photophysikalische Charakterisierung

open access: yesAngewandte Chemie, EarlyView.
Ein verbessertes Niedertemperatur Syntheseverfahren hat die erste umfassende strukturelle und spektroskopische Charakterisierung von neutralem Hexacyanotrimethylencyclopropan (CN6CP) ermöglicht. Kombinierte IR/Raman‐, UV/Vis und ssNMR‐Analysen liefern tiefere Einblicke in die oxidationszustandsabhängige Ladungsverteilung, die σ‐Aromatizität des ...
Jan P. Soyka   +8 more
wiley   +1 more source

Strain Engineering via W–O–Ru Interfacial Coupling to Suppress Lattice Oxygen Activation for Stable Acidic Water Electrolysis

open access: yesAngewandte Chemie, EarlyView.
Constructing atomically coupled W–O–Ru interfacial units on RuO2 triggers a dynamic strain evolution during the oxygen evolution reaction. An initial tensile strain secures structural stability, while a self‐adjusting transition to interfacial compression optimizes catalytic activity.
Yi Guan   +7 more
wiley   +2 more sources

Mechanically Regulated Nanozymes for Remote Metabolic Reprogramming and Precise Cancer Therapy

open access: yesAngewandte Chemie, EarlyView.
Inspired by mechanoenzymes, a ferrocene‐based mechanically regulated nanozyme converts acoustic shear force into enhanced peroxidase‐like activity by decreasing electron density and alleviating steric hindrance at the Fe active sites, thereby rewiring redox homeostasis. Leveraging this remote regulatory mechanism, a multienzyme‐regulated nanoreactor is
Fangman Chen   +13 more
wiley   +2 more sources

Unveiling the role of local temperature gradients in individual zeolites containing metal active sites. [PDF]

open access: yesChem Sci
Zhao B   +10 more
europepmc   +1 more source

Kooperative Redox‐Katalyse der N2O‐Zersetzung mittels auf Co3O4 geträgerten RhOx‐ und CeOx‐Spezies mit kurzreichweitiger Wechselwirkung

open access: yesAngewandte Chemie, EarlyView.
A short‐range Rh‐O‐Co‐O‐Ce interfacial moiety drives low‐temperature N2O decomposition via a cooperative redox cycle. Operando modulated‐excitation XAS with phase‐sensitive detection (ME‐XAS+PSD) tracks rapid, reversible Rh oxidation coupled to Co reduction. Combined kinetics and DFT rationalize the activity trends and identify the Rh‐O‐Co interface as
Daniel C. Cano‐Blanco   +7 more
wiley   +1 more source

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