Results 21 to 30 of about 1,331 (176)
Correspondence on “How Aromatic Are Molecular Nanorings? The Case of a Six‐Porphyrin Nanoring”**
Angewandte Chemie International Edition, 2022 Abstract A recent Research Article in this journal by Matito and co‐workers claimed that none of the oxidation states of a butadiyne‐linked six‐porphyrin nanoring exhibit global aromaticity or antiaromaticity. Here we show that this conclusion is incorrect.
Jie‐Ren Deng +4 more
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Charge–Phase Duality and Cotunneling of Fluxons in SQUID-like Nanorings
Condensed Matter, 2022 Employing charge–flux duality for Josephson junctions and superconducting nanowires, we predict a novel effect of fluxon cotunneling in SQUID-like nanorings.
Alex Latyshev +2 more
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Frontiers in Energy Research, 2020 A new ringlike V2O3 architecture was successfully synthesized by a template-free hydrothermal method, and the sulfur ions-assisted central-etching mechanism of the ringlike structure was proposed.
Ning Wang +3 more
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Advanced Energy & Sustainability Research, 2023 High overpotential and poor long‐term operation stability of electrocatalysts are two major barriers for the hydrogen evolution reaction (HER). Herein, 2D ultrathin PdAgAu nanorings are synthesized and further self‐assembled on Ti2CTx–graphene oxide (GO)
Chaohai Sun +5 more
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One-Pot Synthesis of Cycloparaphenylenes
Organic Materials, 2020 The preparation of cycloparaphenylenes ([n]CPPs) with their bent π-system poses a long-standing challenge in organic synthesis. In the current multi-step approaches to access CPPs, pre-angulated precursors were combined using transition metal-catalysed ...
Jan H. Griwatz, Hermann A. Wegner
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Core-shell Fe@FexOy nanoring system: A versatile platform for biomedical applications
Materials & Design, 2022 Iron oxide (maghemite and magnetite) nanoparticles are the most commonly used magnetic materials in nanomedicine because of their high biocompatibility. However, their low saturation magnetization (60–90 emu/g) limits their applicability. Here, we report
Bianca M. Galeano-Villar +8 more
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Optical Properties of Gold Nanorings [PDF]
Physical Review Letters, 2003 The optical response of ring-shaped gold nanoparticles prepared by colloidal lithography is investigated. Compared to solid gold particles of similar size, nanorings exhibit a redshifted localized surface plasmon that can be tuned over an extended wavelength range by varying the ratio of the ring thickness to its radius.
Aizpurua, Javier +5 more
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Breaking the Symmetry in Molecular Nanorings
The Journal of Physical Chemistry Letters, 2016 Because of their unique electronic properties, cyclic molecular structures ranging from benzene to natural light-harvesting complexes have received much attention. Rigid π-conjugated templated porphyrin nanorings serve as excellent model systems here because they possess well-defined structures that can readily be controlled and because they support ...
Juliane Q. Gong +3 more
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Design of infrared optical absorber using silver nanorings array made by a top-down process
Scientific Reports, 2023 This paper presents the numerical simulation and fabrication of a metasurface composed of silver nanorings with a split-ring gap. These nanostructures can exhibit optically-induced magnetic responses with unique possibilities to control absorption at ...
I. Bouanane +9 more
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Magnetic Aromaticity of Cycloporphyrin Nanorings
Chemistry, 2021 The ascertainment of magnetic aromaticity is not necessarily straightforward, especially for large and bent systems, such as the cycloporphyrin nanorings recently synthesized by the group of Anderson.
Alessandro Landi +2 more
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