ArticleMaterials (Basel, Switzerland)2016
Fabrication of Gold-Coated Ultra-Thin Anodic Porous Alumina Substrates for Augmented SERS.
Article in Materials (Basel, Switzerland), 2016. 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.
- Synthesis of Co-Fe 1D Nanocone Array Electrodes Using Aluminum Oxide Template.Materials (Basel, Switzerland) · 2021Article
- Aptamer-Based Nanoporous Anodic Alumina Interferometric Biosensor for Real-Time Thrombin Detection.Sensors (Basel, Switzerland) · 2019Article
- A Review on Surface-Enhanced Raman Scattering.Biosensors · 2019Review
- Real-Time Monitoring of Biotinylated Molecules Detection Dynamics in Nanoporous Anodic Alumina for Bio-Sensing.Nanomaterials (Basel, Switzerland) · 2019Article
- Label free thrombin detection in presence of high concentration of albumin using an aptamer-functionalized nanoporous membrane.Biosensors & bioelectronics · 2019Article
- Scanning Kelvin Probe Microscopy: Challenges and Perspectives towards Increased Application on Biomaterials and Biological Samples.Materials (Basel, Switzerland) · 2018Review
- Review of Fabrication Methods, Physical Properties, and Applications of Nanostructured Copper Oxides Formed via Electrochemical Oxidation.Nanomaterials (Basel, Switzerland) · 2018Review
- Surface-enhanced Raman scattering of self-assembled thiol monolayers and supported lipid membranes on thin anodic porous alumina.Beilstein journal of nanotechnology · 2017Article
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Authors and funding
4 authors.
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Abstract
Anodic porous alumina (APA) is a nanostructured material used as a template in several nanotechnological applications. We propose the use of APA in ultra-thin form (<100 nm) for augmented surface-enhanced Raman scattering (SERS). Here, the effect of in-depth thinning of the APA nanostructures for possible maximization of SERS was addressed. Anodization was carried out on ultra-thin films of aluminum on glass and/or silicon, followed by pore-opening. Gold (Au) was overcoated and micro‑Raman/SERS measurements were carried out on test target analytes. Finite integration technique simulations of the APA-Au substrate were used both for the experimental design and simulations. It was observed that, under optimized conditions of APA and Au thickness, the SERS enhancement is higher than on standard APA-Au substrates based on thin (~100 nm) APA by up to a factor of ~20 for test molecules of mercaptobenzoic acid. The agreement between model and experimental results confirms the current understanding of SERS as being mainly due to the physical origin of plasmon resonances. The reported results represent one step towards micro-technological, integrated, disposable, high-sensitivity SERS chemical sensors and biosensors based on similar substrates.
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