Results 1 to 10 of about 62,639 (186)

Electron delocalization in a 2D Mott insulator [PDF]

open access: yesNature Communications
The prominent role of electron-electron interactions in two-dimensional (2D) materials is at the origin of a great variety of fermionic correlated states reported in the literature.
Cosme G. Ayani   +7 more
doaj   +8 more sources

Computational Study of Electron Delocalization in Hexaarylbenzenes [PDF]

open access: yesMolecules, 2014
A number of hexaarylbenzene compounds were studied theoretically, in order to compare energy changes as a result of the toroidal delocalization effect that is characteristic of all these species.
Citlalli Rios, Roberto Salcedo
doaj   +5 more sources

Real space electron delocalization, resonance, and aromaticity in chemistry [PDF]

open access: yesNature Communications, 2021
The concept of delocalization, resonance and aromaticity are commonly discussed within electronic structure frameworks relying on specific wave function expansions.
Leonard Reuter, Arne Lüchow
doaj   +2 more sources

Tuning electron delocalization of hydrogen-bonded organic framework cathode for high-performance zinc-organic batteries [PDF]

open access: yesNature Communications, 2023
Stable cathodes with multiple redox-active centres affording a high energy density, fast redox kinetics and a long life are continuous pursuits for aqueous zinc-organic batteries.
Wenda Li   +9 more
doaj   +2 more sources

Substitution Effect of a Single Nitrogen Atom on π-Electronic Systems of Linear Polycyclic Aromatic Hydrocarbons (PAHs): Theoretically Visualized Coexistence of Mono- and Polycyclic π-Electron Delocalization [PDF]

open access: yesMolecules
We theoretically investigated the nitrogen substitution effect on the molecular structure and π-electron delocalization in linear nitrogen-substituted polycyclic aromatic hydrocarbons (N-PAHs).
Jong Min Lim   +6 more
doaj   +2 more sources

Spontaneous FeIII/FeII redox cycling in single-atom catalysts: Conjugation effect and electron delocalization [PDF]

open access: yesiScience, 2023
Summary: The mechanism of spontaneous FeIII/FeII redox cycling in iron-centered single-atom catalysts (I-SACs) is often overlooked. Consequently, pathways for continuous SO4·-/HO⋅ generation during peroxymonosulfate (PMS) activation by I-SACs remain ...
Zheng Qian   +7 more
doaj   +2 more sources

Iodine-Doped Carbon Nitride with Enhanced Electron Delocalization as Metal-Free Sulfur Hosts for Stable Lithium–Sulfur Batteries [PDF]

open access: yesNanomaterials
Suppressing the polysulfide shuttle effect and accelerating the sulfur redox kinetics remain pivotal challenges for advancing the practical viability of lithium–sulfur batteries (LSBs).
Xu Yan   +6 more
doaj   +2 more sources

Materializing efficient methanol oxidation via electron delocalization in nickel hydroxide nanoribbon [PDF]

open access: yesNature Communications, 2020
Development of suitable methanol oxidation reaction catalysts for direct methanol fuel cells is challenging due to sluggish kinetics. Herein, authors show that four-coordinate nickel atoms form charge-transfer orbitals near the Fermi energy level ...
Xiaopeng Wang   +16 more
doaj   +2 more sources

Axial Coordination Induced Electron Delocalization and p‐p Orbital Hybridization in Single‐Atom Catalysts Boosts Zn2+ Desolvation for Highly Stable Zn Anode [PDF]

open access: yesAdvanced Science
Aqueous zinc‐ion batteries have emerged as promising candidates for next‐generation energy storage due to their superior safety and lower cost. However, the sluggish desolvation kinetics of hydrated zinc ions at anode causes critical issues, including ...
Yan Dao   +6 more
doaj   +2 more sources

High-temperature oxide ceramic microwave absorber enabled by thermionic migration mediated by electron delocalization [PDF]

open access: yesNature Communications
The escalating demand for long-term high-temperature microwave-absorbing materials (HTMAMs) in high-speed aerospace stealth is hindered by limitations such as magnetic loss degradation or oxidation risks.
Ruopeng Cui   +8 more
doaj   +2 more sources

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