ArticleScientific reports2014
Laser hybrid micro/nano-structuring of Si surfaces in air and its applications for SERS detection.
Article in Scientific reports, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Hexagonal Bismuthene and Bismuth Nanoparticles for Light-To-Heat Conversion.ACS applied materials & interfaces · 2025Article
- Localized in-situ deposition: a new dimension to control in fabricating surface micro/nano structures via ultrafast laser ablation.Frontiers of optoelectronics · 2023Article
- Trends in Application of SERS Substrates beyond Ag and Au, and Their Role in Bioanalysis.Biosensors · 2022Review
- Picosecond Bessel Beam Fabricated Pure, Gold-Coated Silver Nanostructures for Trace-Level Sensing of Multiple Explosives and Hazardous Molecules.Materials (Basel, Switzerland) · 2022Article
- Article
- Graphene-Ag Hybrids on Laser-Textured Si Surface for SERS Detection.Sensors (Basel, Switzerland) · 2017Article
- Review of SERS Substrates for Chemical Sensing.Nanomaterials (Basel, Switzerland) · 2017Review
- The synthesis of controlled shape nanoplasmonic silver-silica structures by combining sol-gel technique and direct silver reduction.Nanoscale research letters · 2015Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Surface enhanced Raman spectroscopy (SERS) has been widely investigated as an effective technique for low-concentration bio-chemical molecules detection. A rapid two-step approach to fabricate SERS substrates with high controllability in ambient air is developed. Dynamic laser ablation directly creates microgroove on the Si substrate. Meanwhile, nanoparticles are synthesized via the nucleation of laser induced plasma species and the air molecules. It configures the Si surface into four different regions decorated with nanoparticles at different sizes. With Ag film coating, these nanoparticles function as hotspots for SERS. Microsquare arrays are fabricated on the Si surface as large-area SERS substrates by the laser ablation in horizontal and vertical directions. In each microsquare, it exhibits quasi-3D structures with randomly arranged and different shaped nanoparticles aggregated in more than one layer. With Ag film deposition, uniform SERS signals are obtained by detecting the 4-methylbenzenethiol molecules. The SERS signal intensity is determined by the size and shape distributions of the nanoparticles, which depend on the laser processing parameters. With the optimal laser fluence, the SERS signals show a uniform enhancement factor up to 5.5 × 10(6). This provides a high-speed and low-cost method to produce SERS substrates over a large area.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.