ArticleNanomaterials (Basel, Switzerland)2019
Near-Infrared Surface-Enhanced Raman Scattering on Silver-Coated Porous Silicon Photonic Crystals.
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 9 papers.
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Who cites it
9 citing papers in PubMed, 32 citations in OpenAlex.
- Influence of One-Dimensional Photonic Crystal on Raman Signal Enhancement: A Detailed Experimental Study.Applied spectroscopy · 2025Article
- SERS-Based Local Field Enhancement in Biosensing Applications.Molecules (Basel, Switzerland) · 2024Review
- Sensitive and high laser damage threshold substrates for surface-enhanced Raman scattering based on gold and silver nanoparticles.Analytical science advances · 2023Article
- Preparation of SiONanomaterials (Basel, Switzerland) · 2023Article
- Coupling Au-loaded magnetic frameworks to photonic crystal for the improvement of photothermal heating effect in SERS.RSC advances · 2023Article
- Real-Time Monitoring of the In Situ Microfluidic Synthesis of Ag Nanoparticles on Solid Substrate for Reliable SERS Detection.Biosensors · 2021Article
- Polarization-Independent Circulator Based on Composite Rod of Ferrite and Plasma in Photonic Crystal Structure.Nanomaterials (Basel, Switzerland) · 2021Article
- Functional Nanoporous Materials.Nanomaterials (Basel, Switzerland) · 2020Article
- Hybrid Porous Silicon Biosensors Using Plasmonic and Fluorescent Nanomaterials: A Mini Review.Frontiers in chemistry · 2020Review
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
Abstract
Surface-enhanced Raman scattering (SERS) with near-infrared (NIR) excitation offers a safe way for the detection and study of fragile biomolecules. In this work, we present the possibility of using silver-coated porous silicon photonic crystals as SERS substrates for near-infrared (1064 nm) excitation. Due to the deep penetration of NIR light inside silicon, the fabrication of photonic crystals was necessary to quench the band gap photoluminescence of silicon crystal, which acts as mechanical support for the porous layer. Optimal parameters of the immersion plating process that gave maximum enhancement were found and the activity of SERS substrates was tested using rhodamine 6G and crystal violet dye molecules, yielding significant SERS enhancement for off-resonant conditions. To our knowledge, this is the first time that the 1064 nm NIR laser excitation is used for obtaining the SERS effect on porous silicon as a substrate.
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