IDiyas

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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9689080 B1

PDFFull Text
Date of Patent:
Jun. 27, 2017

Filed:

Sep. 09, 2016

Layered alkali iridate, layered iridic acid, and iridium oxide nanosheet

Applicant:

Shinshu University, Matsumoto-shi, JP;

Inventors:

Wataru Sugimoto, Ueda, JP;

Wataru Shimizu, Ueda, JP;

Assignee:

SHINSHU UNIVERSITY, Matsumoto-shi, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Cam N Nguyen

Int. Cl.
CPC ...
B01J 23/58 (2006.01); B01J 35/00 (2006.01); C25B 11/04 (2006.01); C01G 55/00 (2006.01); C25B 1/26 (2006.01); B01J 37/04 (2006.01); B01J 37/06 (2006.01); B01J 37/08 (2006.01); B01J 37/34 (2006.01); B01J 37/00 (2006.01); B01J 37/02 (2006.01); C25B 1/02 (2006.01); C25B 1/13 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
C25B 11/0447 (2013.01); B01J 23/58 (2013.01); B01J 35/002 (2013.01); B01J 37/0063 (2013.01); B01J 37/0217 (2013.01); B01J 37/04 (2013.01); B01J 37/06 (2013.01); B01J 37/088 (2013.01); B01J 37/343 (2013.01); C01G 55/00 (2013.01); C01G 55/002 (2013.01); C01G 55/004 (2013.01); C25B 1/02 (2013.01); C25B 1/13 (2013.01); C25B 1/26 (2013.01); C25B 11/0405 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); C01P 2002/72 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01); C01P 2004/24 (2013.01);
Abstract

Provided is a layered alkali iridate and a layered iridic acid to be used for producing iridium oxide nanosheets, and an iridium oxide nanosheet. A layered alkali iridate with composition of MIrO.nHO (where M is a monovalent metal, x is 0.1 to 0.5, y is 1.5 to 2.5, and n is 0.5 to 1.5), wherein MIrO.nHO has a layered structure. The M is potassium, and the layered alkali iridate has diffraction peaks at 2θ diffraction angles of 13.0° and 26.0°. A layered iridic acid with a composition of HIrO.nHO (where x is 0.1 to 0.5, y is 1.5 to 2.5, and n is 0 to 1), wherein HIrO.nHO has a layered structure. This layered iridic acid has diffraction peaks at 2θ diffraction angles of 12.3° and 24.6°. A single crystalline iridium oxide nanosheet having a thickness of 3 nm or less.

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