Kniha Nano Rust Cafer Yavuz

Nano Rust

Eco-friendly Magnetic Iron Oxide (Fe3O4) Nanocrystals

Autor: Cafer Yavuz
Jazyk: Angličtina
Vazba: Brožovaná
Dostupnost: Skladem u dodavatele
Odesíláme za 9-15 dnů
1 833
This work describes the first size dependent magneticseparation in nanoscale by using rust like iron...

Informace o knize

Autor
Jazyk
Angličtina
Vazba
Kniha - Brožovaná
Vydáno
2008
Stránek
220
EAN
9783639086539
ISBN
3639086538
Enbook ID
06817817
Hmotnost
300
Rozměry
153 x 330 x 16

Kompletní popis

This work describes the first size dependent magneticseparation in nanoscale by using rust like ironoxide. Magnetite (Fe3O4) nanocrystals of highquality and uniform size (4 nm to 33 nm) weresynthesized. Batch synthesis was shown to go up to20 grams which is more than 10 times of a standardnanocrystal synthesis, without loosing the qualityand monodispersity. Reactor design for mass (1 gramper hour) production of magnetite nanocrystals isreported for the first time. A green synthesis thatutilizes rust and edible oils was developed. The costof a kg of magnetite nanocrystals was brought downfrom $2600 to $22. Size dependency of magnetism wasshown in nanoscale for the first time. Reversibleaggregation theory was developed to explain the lowfield magnetic separation and solution behavior ofmagnetite nanocrystals. Arsenic was removed fromdrinking water with magnetite nanocrystals 200 timesbetter than commercial adsorbents. Silica coating wassuccessfully applied and magnetite silicananoshells were functionalized with amino groups. Forthe first time, silver was coated on the magnetite -silica nanoshells to produce triple multishells.

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