Ultrasmall 6-7 nm (processed, clean)

Carboxyl functionalised, resuspension in water

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Product# ND-10

Size: monodispersion

Each batch is ultra-centrifuged with a custom-designed method which yields a high degree of size monodispersion.  All our nanodiamond samples are fully characterized via Atomic Force Microscopy (AFM, Fig. 1) and Dynamic Light Scattering (DLS, Fig. 2) to determine size, polydispersity index (PDI) and zeta potential (ZP).

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Figure 1. Atomic force microscopy (AFM) of Product#ND-10. Our samples are thoroughly characterized via AFM to guarantee high levels of monodispersion around the nominal size values of the nanocrystals.

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Figure 2. Dynamic light scattering (DLS) analysis of Product#ND-10. DLS is used to determine the polydispersivity index (PDI) and Zeta Potential (ZP) of each batch.

Size: 6.4±2.8 nm

Zeta potential (in water): -59.5±16.7 mV

Polydispersity index: 0.237

Surface analysis

We carry out Raman and FTIR spectroscopy to characterise the surface profile (Figs. 3, 4).

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Figure 3. Raman spectroscopy of Product#ND-10.

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Figure 4. FTIR spectroscopy of Product#ND-10

 

Optical analysis

Our nanodiamond samples are characterized optically. For specific applications we perform photoluminescence analysis and autocorrelation measurements as well to identify single photon emitters (Fig. 5).

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Figure 5. Photoluminescence spectrum and autocorrelation measurements of Product#ND-10.

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