Silica nanoparticles

Details Silica nanoparticles Silica nanoparticles

1995-03-03

1996-12-03

Le, H. Thi

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

423335, 423336, 428688, B32B 516

Patent

active

055806554

ABSTRACT:
A web-like nanoparticle silica is produced by laser vaporization of silicon metal in a helium/oxygen atmosphere in a diffusion cloud chamber where it aggregates into novel web-like microstructures. The aggregates are porous and have a surface area greater than 300 m.sup.2 /g. Bright blue photoluminescence from the web-like nanoparticle silica is observed upon irradiation with ultraviolet light.

REFERENCES:
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patent: 5304364 (1994-04-01), Costa et al.
patent: 5318833 (1994-06-01), Fujimoto et al.
The Journal of Chemical Physics, vol. 52, No. 9, May 1, 1970, pp. 4733-4748.
The Journal of Physical Chemistry, vol. 98, No. 12, Mar. 24, 1994, pp. 3067-3070.

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