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❮ Related: NanoXact Gold Spheres

NanoXact Silver Shelled Gold – Bare (Citrate)

Bimetallic core-shell nanoparticles with tunable core diameter and shell thickness are unique nanomaterials with controllable optical properties and atomic ratios, of interest for plasmonic studies and as highly-characterized constructs for single particle elemental analysis.

Citrate is one of our most popular surface options; the “bare” surface is ideal for displacement with other molecules or ligands. Learn more ❯

NanoXact materials are high quality, unagglomerated and monodisperse nanoparticles. Learn more ❯

Provided at 1 mg/mL (total gold and silver content) in aqueous 2 mM citrate.

Don’t see the size you’re looking for? Please contact us about custom and semi-custom ordering.

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Bulk purchasing options are available – please contact us if you are interested

Typically ships within 5 business days

Product number: BMCH20-1M

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Specifications & CoA

TEM Diameter Size Distribution (CV) Example Certificate of Analysis
(How do I read this?)
20 nm ± 3 nm ≤ 15% Download Example CoA
60 nm ± 4 nm ≤ 15% Download Example CoA
80 nm ± 4 nm ≤ 15% Download Example CoA

Note: approximate ranges below are dependent on diameter

  • Hydrodynamic diameter (DLS): TEM diameter plus 2 to 12 nm
  • Zeta potential: –15 to –60 mV
  • pH of solution: 7.0 to 8.5
  • Particle surface: sodium citrate
  • Solvent: USP Purified Water
  • Peak wavelength (λmax): 400 to 500 nm

More Info & Documentation

nanoComposix University

Peer-Reviewed Papers

BMCH 20nm 60nm 80nm



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