Results 201 to 210 of about 41,478 (258)

Adsorption‐Engineered Hydrocarbon Ionomers for Durable Proton‐Exchange Membrane Fuel Cells

open access: yesAdvanced Materials, EarlyView.
Hydrocarbon ionomers suffer from oxidation‐driven interfacial degradation in PEM fuel cell cathodes, leading to catalyst instability. Here, adsorption‐engineered poly(fluorene) ionomers decouple interfacial anchoring from oxidative degradation, enabling strong catalyst–ionomer interactions while resisting electrochemical oxidation.
Heemin Park   +14 more
wiley   +1 more source

Observation of continuous time crystals and quasi-crystals in spin gases. [PDF]

open access: yesNat Commun
Huang Y   +5 more
europepmc   +1 more source

Confinement‐Induced Donnan Potential Enables Sealed Hydrovoltaic Power From Microliter Water

open access: yesAdvanced Materials, EarlyView.
An ultrathin MXene/cellulose nanofiber (CNF) nanochannel‐based hydrovoltaic generator produces sustained direct current (DC) from a single microliter droplet under sealed operation. Asymmetric nanochannel confinement establishes a persistent ion gradient and a confinement‐induced Donnan potential, harvesting the interfacial free energy released upon ...
Sangyun Na   +10 more
wiley   +1 more source

Anapole-state-enhanced 2D chiral photodetector operating in the near-infrared second window. [PDF]

open access: yesNat Commun
Zhang QH   +11 more
europepmc   +1 more source

Dependence of quantum timescales on symmetry.

open access: yesNewton
Guo F   +9 more
europepmc   +1 more source

Donor Intra-Center Absorption to Resonant States in Quantum Wells: Analysis of Peak Shapes. [PDF]

open access: yesNanomaterials (Basel)
Akimov V   +9 more
europepmc   +1 more source

Mechanical behavior of sintered cross-shaped fivefold twinned Ag nanowires: Insights from a molecular dynamics study. [PDF]

open access: yesAppl Phys A Mater Sci Process
Ojha P   +5 more
europepmc   +1 more source

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