ArticleAnalytical chemistry2025
Self-Assembled Three-Dimensional Au Films as Highly Reproducible and "Hotspots"-Rich Substrates for Multiplex SERS Detection.
Article in Analytical chemistry, 2025. 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.
- Flexible SERS Substrates for On-Site Food Safety Monitoring: A Five-Year Progress Review.Foods (Basel, Switzerland) · 2026Review
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Authors and funding
4 authors.
Funding
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Abstract
Three-dimensional (3D) plasmonic metal nanostructures show great promise for surface-enhanced Raman scattering (SERS) detection of analyte molecules. However, obtaining uniform "hotspots" is still a paramount challenge. Herein, we report a low-cost strategy for the scalable preparation of 3D Au films with a high density of "hotspots" using a deep eutectic solvent (DES)-mediated interfacial self-assembly of thermally evaporated Au NPs. Owing to the hydrogen-bonded structure of DES, the size and morphology of the self-assembled Au films can be precisely controlled. The as-prepared 3D Au substrate exhibits outstanding SERS detection for various analyte molecules such as crystal violet (CV), rhodamine 6G (R6G), and 5,5'-dithiobis(2-nitrobenzoic acid) (DTNB) with a limit of detection (LOD) as low as 3.2 × 10
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