ArticleNano letters2025
Linker-Free Synthesis of Core/Satellite Nanoparticles for Single-Particle Surface-Enhanced Raman Spectroscopy and Photocatalysis.
Article in Nano letters, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Single-particle surface-enhanced coherent anti-Stokes Raman scattering: Nanoparticle design and mechanism.Science advances · 2026Article
- Engineered metallic hybrid nanozyme for advanced inflammatory disease therapy.Materials today. Bio · 2025Review
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Authors and funding
6 authors.
Funding
Abstract
A facile and novel method to synthesize core/satellite (CS) nanoparticles via a linker-free method is reported. Au spheres on the tips of nanostars can gradually grow bigger and eventually transform into gap-enhanced Raman tags (GERTs) to form stable and ultrabright Au nanostar/GERTs CS nanoparticles. Au nanostar/Ag sphere CS nanoparticles can also be prepared via the growth of Ag spheres on the tips, which provides a direct route to new porous Au nanostar/Ag-Au, Ag-Pt, or Ag-Pd sphere CS nanoparticles through galvanic replacement of Ag. In situ surface-enhanced Raman spectroscopy monitoring on CS nanoparticles with different noble metals demonstrates single-particle photocatalysis; among them, the hybrid Ag-Pt CS nanoparticles show the fastest photocatalytic rates for the complete conversion of 4-nitrothiophenol (4-NTP) to 4,4-dimercaptoazobenzene (DMAB) at the single-particle level. This method provides a direct synthetic route to these complex nanoparticles without interference from external linker molecules and opens up new possibilities in single-particle analysis.
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