ArticleACS applied optical materials2025
Plasmonic Film with Diluted Nanostructures for Light Energy Harvesting and Sensing.
Article in ACS applied optical materials, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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Abstract
Harvesting the electromagnetic light field in spatially dispersed nanostructures and focusing the sensing events at those locations enables a gain of several orders of magnitude in sensitivity. It significantly reduces the amount of target material needed to produce a measurable signal. This paper establishes that, contrary to common belief, at very low target concentrations, increasing the periodicity of a nanoparticle array instead of diminishing it significantly lowers the limit of detection (LOD) of such structured plasmonic sensors. We demonstrate this numerically on a thin gold film covered by an array of 50 nm diameter nanocylinders with periodicity ranging from 400 to 3000 nm. We found a minimal capture target volume per surface unit of a few tens of nm
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