206237
Iridium(IV) oxide
99.9% trace metals basis
Synonym(s):
Iridium dioxide, Iridium oxide
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About This Item
Linear Formula:
IrO2
CAS Number:
Molecular Weight:
224.22
PubChem Substance ID:
eCl@ss:
38191204
UNSPSC Code:
12352303
NACRES:
NA.23
EC Number:
234-743-9
MDL number:
InChI key
HTXDPTMKBJXEOW-UHFFFAOYSA-N
InChI
1S/Ir.2O
SMILES string
O=[Ir]=O
assay
99.9% trace metals basis
form
powder
application(s)
battery manufacturing
Quality Level
Related Categories
General description
Iridium oxide is a ceramic material with unique properties like long-term stability, sensitivity, electrochemical catalytic activity, and excellent biocompatibility. It can be formed from Ir metal by different methods like thermal decomposition, reactive sputtering, and electrochemical deposition. It is widely used in bio-electronic devices.
Application
Iridium(IV) oxide can be used as:
- An indicator electrode in solid-state pH sensors.
- Coating material for stimulation electrodes.
- An anodic catalyst for oxygen evolution through a water-splitting reaction in a polymer electrolyte membrane (PEM) cell.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Yoon Sung Nam et al.
Nanoscale, 4(11), 3405-3409 (2012-05-11)
A highly porous electrode comprised of biologically templated iridium oxide-gold (IrO(2)-Au) hybrid nanowires is introduced for electrochromic applications. A filamentous M13 virus is genetically engineered to display IrO(2)-binding peptides on the viral surface and used as a template for the
Igor A Ges et al.
Biosensors & bioelectronics, 34(1), 30-36 (2012-03-09)
Release of neurotransmitters and hormones by calcium regulated exocytosis is a fundamental cellular/molecular process that is disrupted in a variety of psychiatric, neurological, and endocrine disorders. Therefore, this area represents a relevant target for drug and therapeutic development, efforts that
Narayanappa Sivasankar et al.
Journal of the American Chemical Society, 133(33), 12976-12979 (2011-07-21)
A surface hydroperoxide intermediate has been detected upon oxidation of water at an Ir oxide nanocluster catalyst system under pulsed excitation of a [Ru(bpy)(3)](2+) visible light sensitizer by recording of the OO vibrational mode at 830 cm(-1). Rapid-scan FT-IR spectroscopy
Yixin Zhao et al.
Small (Weinheim an der Bergstrasse, Germany), 7(14), 2087-2093 (2011-06-17)
A facile, in-situ deposition route to stable iridium oxide (IrO(x)·nH(2)O) nanoparticle thin films from [Ir(OH)(6)](2-) solutions is reported. The [Ir(OH)(6)](2-) solution, made by alkaline hydrolysis of [IrCl(6)](2-), is colorless and stable near neutral pH, and forms blue IrO(x)·nH(2)O nanoparticle suspensions
Chia-Ching Wang et al.
Langmuir : the ACS journal of surfaces and colloids, 27(23), 14253-14259 (2011-11-04)
In this study, we employed density functional theory (DFT) to investigate the oxidation of ammonia (NH(3)) on the IrO(2)(110) surface. We characterized the possible reaction pathways for the dehydrogenation of NH(x) species (x = 1-3) and for the formation of
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