ArticleNanomaterials (Basel, Switzerland)2019
Ultrasensitive SERS-Based Plasmonic Sensor with Analyte Enrichment System Produced by Direct Laser Writing.
Article in Nanomaterials (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Next-Generation SERS Probes: Engineering Hotspots, Intelligent Molecular Targeting, and AI-Driven Spectral Analysis for Emerging Applications.Nanomaterials (Basel, Switzerland) · 2026Review
- Noble-Metal Nanoparticle-Embedded Silicon Nanogratings via Single-Step Laser-Induced Periodic Surface Structuring.Nanomaterials (Basel, Switzerland) · 2023Article
- Light Harvesting Nanoprobe for Trace Detection of HgMolecules (Basel, Switzerland) · 2023Article
- Inter-coffee-ring effects boost rapid and highly reliable SERS detection of TPhT on a light-confining structure.RSC advances · 2022Article
- Electrically Controlled Enrichment of Analyte for Ultrasensitive SERS-Based Plasmonic Sensors.Nanomaterials (Basel, Switzerland) · 2022Article
- Stability of Octadecyltrimethoxysilane-Based Coatings on Aluminum Alloy Surface.Materials (Basel, Switzerland) · 2022Article
- AgNPs decorated 3D bionic silicon nanograss arrays pattern with high-density hot-spots for SERS sensingRSC advances · 2021Article
- Laser Printing of Plasmonic Nanosponges.Nanomaterials (Basel, Switzerland) · 2020Article
- Quo Vadis LIPSS?-Recent and Future Trends on Laser-Induced Periodic Surface Structures.Nanomaterials (Basel, Switzerland) · 2020Article
- Gold-Deposited Nickel Foam as Recyclable Plasmonic Sensor for Therapeutic Drug Monitoring in Blood by Surface-Enhanced Raman Spectroscopy.Nanomaterials (Basel, Switzerland) · 2020Article
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Authors and funding
11 authors.
Funding
Abstract
We report an easy-to-implement device for surface-enhanced Raman scattering (SERS)-based detection of various analytes dissolved in water droplets at trace concentrations. The device combines an analyte-enrichment system and SERS-active sensor site, both produced via inexpensive and high-performance direct femtosecond (fs)-laser printing. Fabricated on a surface of water-repellent polytetrafluoroethylene substrate as an arrangement of micropillars, the analyte-enrichment system supports evaporating water droplet in the Cassie-Baxter superhydrophobic state, thus ensuring delivery of the dissolved analyte molecules towards the hydrophilic SERS-active site. The efficient pre-concentration of the analyte onto the sensor site based on densely arranged spiky plasmonic nanotextures results in its subsequent label-free identification by means of SERS spectroscopy. Using the proposed device, we demonstrate reliable SERS-based fingerprinting of various analytes, including common organic dyes and medical drugs at ppb concentrations. The proposed device is believed to find applications in various areas, including label-free environmental monitoring, medical diagnostics, and forensics.
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