NSS Au Single-Crystal Particles

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    Volume: 1 mL

    Nanoscientifica Gold Single-Crystal Particles covers a wide range of monodisperse, monocrystalline gold nanoparticles with a quasi-spherical shape with a low population of polycrystalline nanoparticles (<10%). Colloidal suspension of gold spherical nanoparticles shows strong light absorption in the visible region due to the intense surface plasmon resonance cross-section. NanoScientifica Gold Single-Crystal Particles are manufactured with cutting-edge technology, free from aggregation, ready to straighten their full performance in your research, development, and use in industrial-scale in your demanding applications. Our nanoparticles are precisely characterized using UV/VIS spectrophotometry, Transmission Electron Microscopy (TEM), dynamic light scattering (DLS, particle size analysis) and/or Zeta potential (surface charge) measurements.

    Special features

    Due to the high crystallinity, NanoScientifica Gold Single-Crystal Particles are ideal building blocks to the fabrication of multimetallic core-shell nanostructures by epitaxial overgrowth, whether to generate polycrystalline or monocrystalline shell surfaces. Due to the narrow size distribution of our nanoparticles, the sharp localized plasmon resonance peak (LSPR) enables the fabrication of ultrasensitive optical sensors and it is the most recommended product for experimental-theoretical academic works.

    Physical-Chemical Properties

    Ranking in order of abundance in earth crust
    Mean content in earth crust
    0.004 ppm (g/tonne)
    Mean content in oceans
    4 · 10-6 ppm (g/tonne)
    Residence time in oceans
    100 · 103  years
    Radii of atoms (ppm)
    Atomic: 135
    Covalent: 144
    Density (g cm-3)
    Molar volume ( cm-3)
    Specif ic heat cat 298 K  (J K–1 kg1)

    Thermal conductivity (Wm–1K–1) 
    173 K: 324
    273 K: 319
    373 K: 313
    575 K: 299
    973 K: 272
    Coefficient of linear expansion (K–1)
    100 K: 11.8 · 10-6 
    293 K: 14.2· 10-6 
    500 K: 15.4 · 10-6 
    800 K: 17 · 10-6 
    Resistivity (nΩm)
    78 K: 5
    273 K: 20.5
    373 K: 28.8
    573 K: 46.3
    973 K: 86 
    1336 K: 310
    Mass magnetic susceptibility (m3 kg-1)
    293 K: –1.78 · 10-9 
    Youngs modulus (G Pa)
    Shear modulus (G Pa)
    Bulk modulus (G Pa)
    Poissons ratio
    Enthalpy of fusion ΔHfus at melting point (kJmol-1)
    Enthalpy of vaporization ΔHvap at boiling point (kJmol-1)
    Enthalpy of atomization ΔHat at 298 K (kJmol-1)
    Entropy S0 at 298 K (J K-1mol-1)
    Molar heat capacity Cp at temperature K (J K-1mol-1)
    100 K: 21.4
    298 K: 25.42
    600 K: 26.8
    1000 K: 28.9
    2000 K: 29.3
    2500 K: 29.3

    Signal Word

    Hazard Statements

    Hazard Codes

    Precautionary Statements

    Flash Point
    Not applicable

    Risk Codes

    Safety Statements

    RTECS Number

    Transport Information
    UN 3077 9 / PGIII

    WGK Germany

    GHS Pictograms

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