ArticleBeilstein journal of nanotechnology2018
Self-assembled quasi-hexagonal arrays of gold nanoparticles with small gaps for surface-enhanced Raman spectroscopy.
Article in Beilstein journal of nanotechnology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 10 citations in OpenAlex.
- Electrochemical Detection of Ethanol in Air Using Graphene Oxide Nanosheets Combined with Au-WOSensors (Basel, Switzerland) · 2022Article
- Optically and electrically driven nanoantennas.Beilstein journal of nanotechnology · 2020Article
- Correlation of surface-enhanced Raman scattering (SERS) with the surface density of gold nanoparticles: evaluation of the critical number of SERS tags for a detectable signal.Beilstein journal of nanotechnology · 2019Article
- Revisiting semicontinuous silver films as surface-enhanced Raman spectroscopy substrates.Beilstein journal of nanotechnology · 2019Article
- High-throughput micro-nanostructuring by microdroplet inkjet printing.Beilstein journal of nanotechnology · 2018Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The fabrication and optical characterization of self-assembled arrangements of rough gold nanoparticles with a high area coverage and narrow gaps for surface-enhanced Raman spectroscopy (SERS) are reported. A combination of micellar nanolithography and electroless deposition (ED) enables the tuning of the spacing and size of the noble metal nanoparticles. Long-range ordered quasi-hexagonal arrays of gold nanoparticles on silicon substrates with a variation of the particle sizes from about 20 nm to 120 nm are demonstrated. By increasing the particle sizes for the homogeneously spaced particles, a large number of narrow gaps is created, which together with the rough surface of the particles induces a high density of intense hotspots. This makes the surfaces interesting for future applications in near-field-enhanced bio-analytics of molecules. SERS was demonstrated by measuring Raman spectra of 4-MBA on the gold nanoparticles. It was verified that a smaller inter-particle distance leads to an increased SERS signal.
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