Iridium IV Oxide Nanoparticles (IrO2, APS: 80-100nm, Purity: >99%)

Iridium IV Oxide Nanoparticles

Product: Iridium IV Oxide Nanoparticles (IrO2, APS: 80-100nm, Purity: >99%)

Quality Control: Each lot of NANOSHEL Iridium IV Oxide Nanoparticles was tested successfully.

Iridium IV Oxide Nanoparticles

TEM – IrO2 Nanoparticles

IrO2 Nanopowder

Particles Size Analysis – Iridium IV Oxide Nanoparticles

Product Name Iridium IV Oxide Nanoparticles
Stock No. NS6130-12-000750
CAS 12030-49-8 Confirm
Purity >99% Confirm
APS 80-100nm Confirm
Molecular Formula IrO2 Confirm
Molecular weight 224.22g/mol Confirm
Form Powder Confirm
Appearance Black Confirm
Density 11.7 g/cm³ Confirm
Melting Point 1100 °C Confirm
Solubility Insoluble in water
Main Inspect Verifier Manager QC

Experts Review:

Miller-(Christopher)-345x239Dr. Baron Augustin, Ph.D (TUM)(Technical University of Munich, Germany)
Metal oxides play a very important role in many areas of chemistry, physics and materials science.  The metal elements are able to form a large diversity of oxide compounds. These can adopt a vast number of structural geometries with an electronic structure that can exhibit metallic, semiconductor or insulator character. In technological applications, oxides are used in the fabrication of microelectronic circuits, sensors, piezoelectric devices, fuel cells, coatings for the passivation of surfaces against corrosion, and as catalysts.


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Dr. Darren Chandler, Ph.D(Manchester Metropolitan University, U.K)
Oxide nanoparticles can exhibit unique physical and chemical properties due to their limited size and a high density of corner or edge surface sites. Particle size is expected to influence three important groups of basic properties in any material. The first one comprises the structural characteristics, namely the lattice symmetry and cell parameters.


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Dr. Ms. Cristiana Barzetti (University of Cagliari-Department of Chemical Engineering and Material Science, Italy)
Iridium IV Oxide Nanoparticles: 
Bulk oxides are usually robust and stable systems with well-defined crystallographic structures. However, the growing importance of surface free energy and stress with decreasing particle size must be considered: changes in thermodynamic stability associate with size can induce modification of cell parameters and/or structural transformations and in extreme cases the nanoparticle can disappear due to interactions with its surrounding environment and a high surface free energy.  In order to display mechanical or structural stability, a nanoparticle must have a low surface free energy.


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Dr. Jang Huang, Ph.D (Shandong Science and Technology University, China)
Iridium IV Oxide Nanoparticles: 
The effect of size is also related to the electronic properties of the oxide. In any material, the nanostruture produces the quantum size or confinement effects which essentially arise from the presence of discrete, atom-like electronic states. From a solid-state point of view, these states can be considered as being a superposition of bulk-like states with a concomitant increase in oscillator strength.  Additional general electronic effects of quantum confinement experimentally probed on oxides are related to the energy shift of exciton levels and optical bandgap.


images (21)Dr. Mark Brown (Georgia Institute of Technology in Atlanta,USA)
Iridium IV Oxide Nanoparticles: 
Structural and electronic properties drive the physical and chemical properties of the solid, the third group of properties influenced by size in a simple classification. In their bulk state, many oxides have wide band gaps and a low reactivity. A decrease in the average size of an oxide particle do in fact change the magnitude of the band gap, with strong influence in the conductivity and chemical reactivity.


Iridium IV Oxide Nanoparticles

Iridium IV Oxide Nanoparticles



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