Detonation nanodiamonds: problems and prospects. V.V. Danilenko Moscow firstname.lastname@example.org. Transient period in technology cycle of human civilization:. Microstructures → Nanostructures Microelectronics → Nanoelectronics
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Ice or watershell
Dry product collector
Wet product collector
Further acid purification
DND structure and Properties - DND nanoparticle - unique combination of superhard inert diamond core and highly active porous amorphous cover on core. - DND - polydispersional raw material due to differ conditions for DND synthesis in volume of detonation charge
Spherical shape d = 2 - 8 nm
Surface functional groups and adsorbed water
amorphous carbon, sp3 → sp2 structuries
0.4 - 1 nm
Synthesis conditions and DND qualityConditions of synthesis: - Characteristics of a charge (HE structure, geometry, weight, initiation). - Environment surrounding a charge (gas, water, ice, metal, mix).Quality of the DND: - The maintenance of the DND in detonation carbon (the attitude sp3/sp2). - A degree of DND particles connectivity in strong units. - Quantity of not carbon impurity.
Increase in Temperature, pressure, time, carbon concentration
Motor oil, lubricates, electroplates, resin, polymers, alloys, ceramics, polishing, biology, medicine…
poorly investigated (synthesis without ashes)
- optimum DND qualityfor each application is not
- DND – polydispersion raw material – need treatments
- industrial technologies of gas-phase purification,
fractionation, strong units dispersion, modification are not developed
- as result - industrial samplesof materials and products with DND are not created and not tested.