ArticleSmall (Weinheim an der Bergstrasse, Germany)2025
Amplification of Photochemical Chiroptical Activity of Chiral Gold Nanocubes.
Article in Small (Weinheim an der Bergstrasse, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- A First-Principles Study of l‑Glutathione Adsorption on Chiral Gold Nanoparticles.ACS materials Au · 2026Article
- Amplification of Photochemical Chiroptical Activity of Chiral Gold Nanocubes.Small (Weinheim an der Bergstrasse, Germany) · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors.
Funding
Abstract
Chiral plasmonic nanostructures enable exceptionally high dissymmetry factors (g-factors) compared to chiral molecules and present unparalleled opportunities in light manipulation, polarization-sensitive photochemistry, and chiral sensing. Here polarization-dependent plasmonic chemistry on chiral gold nanocubes (AuNCs) is presented, leveraging the high sensitivity of surface-enhanced Raman scattering (SERS). The AuNCs exhibit strong optical activity and localized surface plasmon resonances acting as highly efficient nanoscale light antennae. Employing the hot electron-induced dehalogenation of 8-Bromoadenine as a model reaction, it is demonstrated that circularly polarized light induces asymmetric reaction rates due to circular dichroism (CD) in hot electron generation efficiency. Astonishingly, the photochemical g-factor, quantified by the differential reaction rate coefficients under left-handed and right-handed circularly polarized light, surpasses its optical counterpart and can be further enhanced by laser intensity. Remarkably, multilayer assemblies of AuNCs exhibit a reversal in photochemical CD, which is tuneable via laser power and enables further g-factor enhancement. Comprehensive electromagnetic simulations of extinction spectra and hot electron generation maps corroborate the profound impact of particle arrangement on the optical g-factor and the g-factor for hot-electron generation. This work demonstrates a systematic approach to enhance the photochemical chiroptical response of chiral AuNCs, paving the way for extraordinary control over chemical reactions with light.
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Registered trials
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