ArticleScience advances2026
Spatiotemporal Raman probing of molecular transport in sub-2-nm plasmonic quasi-2D nanochannels.
Article in Science advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Surface-Selective Molecular Binding and Replacement Selectivity in Plasmonic Nanocavities.The journal of physical chemistry letters · 2026Article
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Authors and funding
13 authors.
Funding
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Abstract
Capturing molecular dynamics in nanoconfined channels with high spatiotemporal resolution is a key challenge in nanoscience, crucial for advancing catalysis, energy conversion, and molecular sensing. Bottom-up ultrathin plasmonic nanogaps, such as nanoparticle-on-mirror (NPoM) structures, are ideal for ultrasensitive probing due to their extreme light confinement, but their perceived sealed geometry has cast doubt on the existence of accessible transport pathways. Here, counterintuitively, we demonstrate that ubiquitous ligand-capped NPoM-type nanogaps can form a natural quasi-two-dimensional nanochannel, supporting molecular exchange and infiltration over unprecedented length scales (≳5 micrometers) with an extreme aspect ratio (>10
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Registered trials
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