Results 111 to 120 of about 118,171 (236)

Coupling of 0D/1D Grain Boundaries Inducing Extreme Charge Rearrangement/Magnetic Resonance for Ultrabroadband Electromagnetic Wave Absorption

open access: yesCarbon Energy, EarlyView.
The 0D/1D grain boundary coupling between Fe₃O₄ quantum dots and CNTs induces extreme charge redistribution and short‐range magnetic resonance, enabling complete electromagnetic wave absorption across the entire X and Ku bands. ABSTRACT Ferrite–carbon composites effectively absorb electromagnetic (EM) waves via coupled mechanisms.
Jie Huang   +9 more
wiley   +1 more source

Spin‐State Engineering via Cr3+ Incorporation in Co3O4 Spinel for Efficient Bifunctional Oxygen Electrocatalysis

open access: yesCarbon Energy, EarlyView.
Cr doping causes distortion of the CoO6 octahedron, modifies the spin state of CoOh, and enhances the bifunctional catalytic activity. ABSTRACT The primary challenge in rechargeable Zn‐air batteries lies in developing a catalyst capable of simultaneously improving performance for oxygen reduction reaction (ORR) during discharge and oxygen evolution ...
Guangjian Xing   +8 more
wiley   +1 more source

Hole‐Selective Self‐Assembled Monolayers Overlaid on NiOx or PEDOT:PSS for Tin‐Based Perovskite Solar Cells – An Overview of Recent Characterization Methods

open access: yesChemistry – A European Journal, EarlyView.
Successfully applying self‐assembled monolayers with hole‐selectivity for lead‐free tin perovskite solar cells requires judicious investigation with appropriately powerful characterization methods, in addition to efforts in the development of new materials and processing.
Donghoon Song   +3 more
wiley   +1 more source

Anisotropy Factor Spectra for Weakly Allowed Electronic Transitions in Chiral Ketones

open access: yesChemPhysChem, Volume 26, Issue 6, March 15, 2025.
Anisotropy factor spectra for the weak n→π*‐type A‐band of chiral ketones cannot be described within the Franck–Condon approximation. Thus, we present such spectra computed by accounting for Herzberg–Teller corrections and compare them to experiments for fenchone, camphor and 3MCP to describe chiroptical properties of these molecules in the mid to near
Leon A. Kerber   +5 more
wiley   +1 more source

T‐Shaped 8‐Aryl(ethynyl)‐Substituted Psoralens With Tunable Charge‐Transfer Absorption

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
Starting from 8‐methoxypsoralen, new 8‐arylated and 8‐alkynylated psoralen derivatives are accessible by cross‐coupling. These T‐shaped π‐expanded chromophores are luminescent and photophysics reveal a highly polar excited state with tunable charge‐transfer character.
Lena T. Leusch, Thomas J. J. Müller
wiley   +1 more source

Consecutive (Pseudo‐)Four‐Component Synthesis of Meta‐ and Ortho‐Biaryl Triarylamines with Tunable Emission and Redox Properties

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
The combination of Suzuki and Buchwald–Hartwig coupling in (pseudo‐)four‐component reactions paves an efficient one‐pot route to twisted, redox‐active triarylamine (TAA) emitters. Biaryl substitution patterns and para‐substituents serve as key levers for tuning redox potentials, as well as absorption and emission energies, complemented and, by time ...
Regina Kohlbecher   +5 more
wiley   +1 more source

Sustainable Upcycling of Office Waste Paper Into Cobalt/Carbon Aerogels for Highly Efficient Microwave Absorption

open access: yesElectron, EarlyView.
Co/C aerogels (Co/CAs) are successfully fabricated with office waste paper (OWP) as the raw material by loading ZIF‐67 crystals. The optimal sample exhibited an effective absorption bandwidth of 5.6 GHz, which outperforms many biomass‐derived microwave absorbing materials.
Yan Wang   +5 more
wiley   +1 more source

Spin‐Crossover Modulated Luminescence in Materials and Molecular Complexes

open access: yesHelvetica Chimica Acta, EarlyView.
The synergistic coupling of spin‐crossover and luminescent properties holds great promise for the development of multifunctional and stimuli‐responsive molecular materials. This contribution provides a comprehensive overview of the field, surveying the possible coupling mechanisms, the various synthetic strategies and their potential applicability, as ...
Charlotte Egger, Claude Piguet
wiley   +1 more source

Computational design of two‐dimensional MA2Z4 family field‐effect transistor for future Ångström‐scale CMOS technology nodes

open access: yesInfoMat, EarlyView.
Two‐dimensional MA2Z4 such as MoSi2N4 offer a new path to extend transistor scaling beyond the limits of silicon. Due to their exceptional properties, these 2D semiconductors are promising candidates for future Ångström‐scale CMOS technology. This review outlines the computational design and roadmap bridging materials discovery, device design and ...
Che Chen Tho   +11 more
wiley   +1 more source

Multi‐dimensional, multi‐interfacial, and multi‐path synergy enables broadband absorption, corrosion resistance, Joule heating, and thermal performances in hierarchical carbon/Ni nanoparticles‐carbon nanocoils foams

open access: yesInfoMat, EarlyView.
Owing to the severe electromagnetic wave (EMW) pollution and the increasingly intricate operating environments, an excellent EMW absorber with multiple functions has become imperative. Herein, 3D/0D‐1D hierarchical carbon/Ni nanoparticles‐carbon noncoils (CNCs) composite foams with multi‐dimensional, multi‐interfacial and multi‐path structures can be ...
Beibei Zhan   +8 more
wiley   +1 more source

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