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  • Nanostructural transformations during the reduction of hollow and porous nickel oxide nanoparticles.

Nanostructural transformations during the reduction of hollow and porous nickel oxide nanoparticles.

Nanoscale (2012-11-22)
John A Medford, Aaron C Johnston-Peck, Joseph B Tracy
PMID23168915
ABSTRACT

Size-dependent nanostructural transformations occurring during the H(2)-mediated reduction of hollow and porous NiO nanoparticles were investigated for controlled nanoparticle sizes of ~10 to 100 nm. Transmission electron microscopy reveals that the location and number of reduction sites strongly depend on the nanoparticle size and structure.

MATERIALS
Product Number
Brand
Product Description
481793
Sigma-Aldrich
Nickel(II) oxide, ≥99.995% trace metals basis
399523
Sigma-Aldrich
Nickel(II) oxide, green, −325 mesh, 99%
637130
Sigma-Aldrich
Nickel(II) oxide, nanopowder, <50 nm particle size (TEM), 99.8% trace metals basis
203882
Sigma-Aldrich
Nickel(II) oxide, 99.99% trace metals basis