Журнал органической химии, Journal Year: 2023, Volume and Issue: 59(12), P. 1576 - 1597
Published: Dec. 15, 2023
Language: Английский
Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)
Published: Sept. 12, 2024
The debate surrounding the roles of thermal and non-thermal pathways in plasmonic catalysis has captured attention researchers sparked vibrant discussions within scientific community. In this review, we embark on a thorough exploration intriguing discourse, starting from fundamental principles culminating detailed understanding divergent viewpoints. We probe into core by elucidating behavior excited charge carriers illuminated nanostructures, which serves as foundation for two opposing schools thought. present key arguments evidence put forth proponents both pathways, providing perspective their respective positions. Beyond theoretical divide, discussed evolving methodologies used to unravel these mechanisms. discuss use Arrhenius equations variations, shedding light ensuing debates about applicability. Our review emphasizes significance localized surface plasmon resonance (LSPR), investigating its role collective oscillations decay dynamics that influence catalytic processes. also talked nuances activation energy, exploring relationship with nonlinearity temperature intensity dependence reaction rates. Additionally, address intricacies catalyst measurements implications light-triggered dynamics. further discusses wavelength-dependent rates, kinetic isotope effects, competitive electron transfer reactions, offering an all-inclusive view field. This not only maps current landscape photocatalysis but facilitates future explorations innovations unlock full potential plasmon-mediated catalysis, where synergistic approaches could lead different vistas chemical transformations.
Language: Английский
Citations
14
ACS Nano, Journal Year: 2024, Volume and Issue: 18(43), P. 29337 - 29379
Published: Oct. 14, 2024
Catalysis stands as an indispensable cornerstone of modern society, underpinning the production over 80% manufactured goods and driving 90% industrial chemical processes. As demand for more efficient sustainable processes grows, better catalysts are needed. Understanding working principles is key, last 50 years, surface-enhanced Raman Spectroscopy (SERS) has become essential. Discovered in 1974, SERS evolved into a mature powerful analytical tool, transforming way which we detect molecules across disciplines. In catalysis, enabled insights dynamic surface phenomena, facilitating monitoring catalyst structure, adsorbate interactions, reaction kinetics at very high spatial temporal resolutions. This review explores achievements well future potential field catalysis energy conversion, thereby highlighting its role advancing these critical areas research.
Language: Английский
Citations
8
ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(19), P. 24951 - 24960
Published: April 30, 2024
Chiral plasmonic nanocrystals have recently attracted increasing attention in circular polarization-dependent photocatalysis driven by hot carriers. While being concealed traditional ensemble measurements, the individual chiral photocatalytic activity of can exclusively be revealed directly correlating differential photocurrent response to helical morphologies using single-particle techniques. Herein, we develop a method named mapping (CDPM) and demonstrate that CDPM used characterize electron (CDHE) from Au nanohelicoids (AuNHs) on TiO2 photoanode photoelectrochemical cell. The scattering CDHE measurements were interpreted with calculations performed model direct correlation nanocrystal. was found inactive at dipolar resonance 750 nm, helicity-convoluted sites HE generation identified AuNH specific higher-order mode 550 resulting significant association handedness AuNH. Details contributions further resolved examining efficiencies AuNHs terms g-factors. Our study provides powerful microscopic level for characterization nanocrystals, gaining fundamental insights into chirality, especially toward plasmon-induced asymmetrical photochemistry or photoelectrochemistry.
Language: Английский
Citations
6
Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)
Published: Oct. 25, 2024
Helicoid plasmonic nanoparticles with intrinsic chirality are an emerging class of artificial chiral materials tailorable properties. The ability to extend their chiroplasmonic responses the near-infrared (NIR) range is critically important for biomedical and nanophotonic applications, yet rational design such remains challenging. Herein, a strategy employing plasmon-dielectric coupling proposed manipulate chiroptical into NIR region high optical anisotropy. Through this strategy, helicoid Au@Cu
Language: Английский
Citations
6
Nano Letters, Journal Year: 2024, Volume and Issue: unknown
Published: Oct. 2, 2024
Plasmonic nanoparticles (NPs) with chiral geometries have wide applications from molecular sensing to enantioselective catalysis. The synthesis of plasmonic using circularly polarized light (CPL) has attracted a considerable amount attention because it eliminates the need for molecules. However, NPs be immobilized on solid substrate during synthesis. Here, we successfully synthesized colloidal by depositing silver surface achiral gold dispersed in solution CPL. Circular dichroism (CD) signals corresponding handedness irradiated CPL were observed when nanorods or nanotriangles used. In contrast, no clear CD signal was nanospheres morphological anisotropy key factor Furthermore, demonstrated tuning chiroptical properties according wavelength.
Language: Английский
Citations
4
Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)
Published: Jan. 28, 2025
Controlling scattering and routing of chiral light at the nanoscale is important for optical information processing imaging, quantum technologies as well manipulation. Here, we introduce a concept rotating dipoles in order to achieve unidirectional scattering. Implementing this by engineering multipole excitations helicoidal plasmonic nanoparticles, experimentally demonstrate enantio-sensitive highly-directional forward circularly polarised light. The intensity defined mutual relation between handedness incident chirality structure. offers numerous opportunities from nanostructures nano-antennas paving way innovative designs applications light-matter interactions.
Language: Английский
Citations
0
The Journal of Physical Chemistry C, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 6, 2025
The unique optoelectronic features associated with plasmonic nanomaterials in a broad energy range of the electromagnetic spectrum have potential to overcome current limitations development heterogeneous photocatalytic systems enantioselective capabilities. Recent advancements creating structures strong chiroptical already enabled asymmetric recognition molecular substrates or even polarization-sensitive chemical reactivity under visible and near-infrared irradiation. Nevertheless, important developments need be achieved attain real solely driven by plasmons. This Perspective discusses trends formation chiral materials their application as photocatalysts achieve stereocontrol photochemical reactions. We summarize challenges this field offer insight into future opportunities that could enhance effectiveness these innovative systems.
Language: Английский
Citations
0
Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)
Published: March 11, 2025
Helicoid metal nanoparticles with intrinsic chirality have unveiled tailorable properties and unlocked many chirality-related applications across various fields. Nevertheless, the existing strategies for enantioselective synthesis of helicoid been predominantly limited to gold. Here, we demonstrate a robust versatile strategy beyond gold, leveraging chiral nanoconfinement provided by SiO2 or nanoshells. The enables decoupling ligand-directed crystal growth from induction, allowing independent tuning these two critical aspects. As result, this approach can not only facilitate replication shapes nanoshells but also allow generation alternative shapes. By employing approach, Pt, Au@Pt, Au@Pd, Au@Ag, Au@Cu nanoparticles. chiroplasmonic Pt- Pd-based discovered, inversion Ag-based via facet control has documented theoretically explained. enriches toolbox creating supports their exploration in diverse applications. Strategies were mainly authors present helicoidal gold using silica shells.
Language: Английский
Citations
0
Chemistry Letters, Journal Year: 2025, Volume and Issue: 54(3)
Published: March 1, 2025
Abstract This study demonstrates a method for imparting chiroptical properties to Au nanowires (NWs) via seed-mediated growth in the presence of chiral thiol compounds. NWs with 2.7 nm diameter were synthesized aqueous solutions containing an amidoamine derivative and L- or D-cysteine. The circular dichroism spectra resulting dispersions confirmed that compounds imparted properties, whereas achiral ineffective at chirality.
Language: Английский
Citations
0
Nanoscale, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 1, 2025
Chiral plasmonic nanostructures have been increasingly explored for asymmetric catalysis, high-sensitivity sensors with selectivity and advanced optical components. This review summarizes their synthesis methods recent progress in the field.
Language: Английский
Citations
0