20 nm Silver Shelled Gold Nanospheres
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As a global leader in bimetallic core-shell nanoparticle production, nanoComposix specializes in providing high-purity and monodisperse nanomaterials – delivering the quality you need for consistent results.
20 nm silver shelled spherical gold nanoparticles combine unique optical properties with precise metal composition. These nanoparticles are useful in applications from nanotoxicology, single particle ICP-MS standards, tracer materials, and more.
nanoComposix provides high quality nanomaterials that are precisely engineered and highly characterized. All our products are supplied with a batch-specific Certificate of Analysis including characterization data such as TEM, DLS, Zeta, and UV-Vis.
Intended for Research Use Only. Contact us for custom formulations, ISO 13485/cGMP compliant materials, or click below for bulk supply requirements.
| Overview | |
|---|---|
| Surface | Citrate |
| Description | Easiest standard surface to displace with other molecules. |
| Solvent | 2 mM sodium citrate solution |
| Surface chemistry | Sodium citrate |
| Specifications | |
| TEM Diameter | 20 ± 3 nm |
| CV | ≤ 15% |
| Documents | |
| Example Certificate of Analysis (CoA) | Download |
| Safety Data Sheet (SDS) | 1 mg/mL (NanoXact) |
| Storage & Handling | Download |
| Expected Ranges | |
| Hydrodynamic diameter (DLS) | TEM diameter + 2–12 nm |
| Zeta potential | ≤ –15 mV |
| pH of solution | 7.0–8.5 |
| Peak wavelength (λmax) | 400–500 nm |