Nano Powder Products
 
    Uniform Product in the 4–8 nm range

This process produces very fine crystallite sizes (4–8nm), as demonstrated by the broad X-ray diffraction peaks (Fig. 1A). In comparison, the X-ray peaks for a competitor’s samples are sharper indicating much larger crystallite sizes (Fig. 1B).

      
Fig. 1A
X-ray diffraction pattern of yttria
stabilized zirconia powder made by
our technology
   Fig. 1B
X-ray diffraction pattern of yttria
stabilized zirconia powder made by
a competitor

Powders can be supplied dry or as liquid suspensions. Our process is also capable of producing nano-structured surface layers which have applications in state of the art sensors and catalytic membranes.

Product Characteristics

The product consists of extremely fine, individual (Fig. 3A) or loosely agglomerated crystallites in the 4–8nm (Fig. 3B) range. The uniformity (narrow size distribution) of size is also evident in Fig. 3B. The fine particle size imparts transparency in applications such as UV blocking coatings. As a consequence of the fine particle size the nano-powders also have a high surface area per unit mass. This feature coupled with the uniformity of size leads to very efficient surface coverage which is advantageous in applications such as coatings, paints and catalysts.

      

(click image to enlarge)
Fig. 3A

Gamma-Fe2O3
TEM micrograph of a crystallites of our gamma iron oxide powder about 5nm in diameter. The white marker is 10nm.
      

(click image to enlarge)
Fig. 3B

Tin Dioxide
TEM micrograph of crystallites of our tin dioxide powder about 5–7nm in size. The white marker is 10nm.

Typical powder characteristics  
1. Surface Area (m2/gm)
2. Crystallite size (nm)-From X-ray line broadening   
3. Average particle size (nm) –From BET
4. Purity (%)
60–220
4–8
3–15
98 to 99.99

Potential Applications

The following chart demonstrates the uniformity and consistency of our manufactured powders. The nano-particles have large surface area and consistent size that can enhance applications; such as, catalysts, membranes, fuel cells, sensors, coatings and optics.

Nano Powder Typical Potential Applications Nano Surface Area (m2/g) Average Crystallite Size by XRD (nm)
Yttria stabilized ZrO2 Solid oxide fuel cells, thermal barrier coatings, dental fillings 200 3
Cerium oxide CeO2 Catalyst support, fuel cells, chemical mechanical polishing 55 8
Lanthanum Doped CeO2 Fuel cells, catalyst support 55 8
Samarium Doped CeO2 Fuel cells, catalyst support 55 8
Barium Titanate BaTiO3 Dielectrics, multilayer capacitors 65 20
Titanium Oxide TiO2 Sunscreens, paints, membranes 170 9
Iron Oxide Fe2O3 Magnetic memory, pigments 180 4
Tin dioxide SnO2 Gas sensors, optical devices 180 4
   




Menu Links
   
 Patented Technology
 Research Details
 State-of-the-Art Facilities
 Nano-Size Powders
 Resource Links
Cerium Oxide

Gadolinium doped Cerium Oxide

Samarium doped Cerium Oxide

Iron Oxide (ferric oxide)

Iron Oxide (ferrous ferric oxide)

3% Yttria Stabilized Zirconia

8%Yttria Stabilized Zirconia

Titanium Dioxide

Tin Dioxide

Barium Titanate


Solution Graphics



Home |  Company Information |  Technology

Products |  Contact Us |  Privacy Policy |  Terms of Use

Copyright ©2008 Nano-Oxides, Inc..  All rights reserved.