Electrodeposition of highly ordered macroporous iridium oxide through self-assembled colloidal templates

Iridium oxide electrodeposited through a self-assembled colloidal template has an inverse opal structure. Monolayers present long range hexagonal arrangements of hemispherical nanocavities while multilayers present 3D honeycomb structures with spherical voids. The films are amorphous, have several e...

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Veröffentlicht in:	Journal of materials chemistry 2009-01, Vol.19 (23), p.3855-3858
Hauptverfasser:	JIN HU, ABDELSALAM, Mamdouh, BARTLETT, Philip, COLE, Robin, SUGAWARA, Yoshihiro, BAUMBERG, Jeremy, MAHAJAN, Sumeet, DENUAULT, Guy
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Electrodeposition, electroplating Electrooptical effects Exact sciences and technology Materials science Methods of deposition of films and coatings film growth and epitaxy Methods of nanofabrication Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation Optical properties of bulk materials and thin films Physics Self-assembly
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Zusammenfassung:	Iridium oxide electrodeposited through a self-assembled colloidal template has an inverse opal structure. Monolayers present long range hexagonal arrangements of hemispherical nanocavities while multilayers present 3D honeycomb structures with spherical voids. The films are amorphous, have several electroactive redox states and are electrochromic. The nanostructure modifies their reflectivity thus indicating that these films could be used as tunable photonic devices.
ISSN:	0959-9428 1364-5501
DOI:	10.1039/b900279k