Journal
ANALYSIS & SENSING
Volume 2, Issue 3, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anse.202200005
Keywords
nanocolloids; nanostars; sensing; SERS; surface plasmon resonance
Funding
- Ministerio de Ciencia Innovacion/AEI
- European Union Next Generation/PRTR [PID2020-120306RB-I00, PDC2021-121787-I00]
- AGAUR [2017SGR883]
- Universitat Rovira i Virgili [2021PFR-URV-B2-02]
- Cluster of Excellence Advanced Imaging of Matter of the Deutsche Forschungsgemeinschaft (DFG) [EXC 2056, 390715994]
- Foundation for Polish Science-European Union [857543]
- ENSEMBLE3 project [MAB/2020/14]
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Gold nanostars are efficient plasmonic nanomaterials for optical sensing, and their importance has been increasing in various fields. Due to their exotic shape and characteristics, these nanoparticles can be used for optical enhancement and catalysis.
Gold nanostars are among the most efficient plasmonic nanomaterials for optical sensing with surface enhanced Raman scattering. In recent years, gold nanostars have increased relevance in physics, analytical chemistry, environmental science, biology and medicine, and in particular in sensing and therapy. These colloids can sustain ultrastrong electromagnetic fields which allow their use as single particles optical enhancers; are colloidally stable and may have a marked catalytical activity. Due to their exotic shape, these colloids present characteristic optical and reactive behaviors. Here, we briefly discuss the optical properties, the synthetic routes and the analytical applications of these nanoparticles.
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