	US 11,685,666 B2
	Metal oxide nanoparticles with alkylsiloxane ligands bonded thereto
Michael David Irwin, Heath, TX (US); Marissa Lynn Higgins, Forney, TX (US); and Nicholas Charles Anderson, Dallas, TX (US)
Assigned to CubicPV Inc., Dallas, TX (US)
Filed by CubicPV Inc., Dallas, TX (US)
Filed on Oct. 25, 2021, as Appl. No. 17/509,271.
Application 17/509,271 is a division of application No. 17/106,002, filed on Nov. 27, 2020, granted, now 11,186,495.
Claims priority of provisional application 62/941,066, filed on Nov. 27, 2019.
Prior Publication US 2022/0041462 A1, Feb. 10, 2022
Int. Cl. C01G 33/00 (2006.01); H01L 51/44 (2006.01); C01G 35/00 (2006.01); C07D 221/18 (2006.01); H01L 51/42 (2006.01); C07F 7/08 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01)

CPC C01G 33/00 (2013.01) [C01G 35/00 (2013.01); C07D 221/18 (2013.01); C07F 7/0834 (2013.01); H01L 51/426 (2013.01); H01L 51/441 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); H01L 2251/303 (2013.01)]

5 Claims

1. A metal oxide nanoparticle comprising:

a metal oxide core of formula M₂O₅, wherein M is tantalum (V) or niobium (V); and

alkylsiloxane ligands bonded to the metal oxide core,

wherein the alkylsiloxane ligands are selected from the group consisting of: isobutylsiloxane, allylsiloxane, vinylsiloxane, n-propylsiloxane, n-butylsiloxane, sec-butylsiloxane, tert-butylsiloxane, phenylsiloxane, n-octylsiloxane, isooctylsiloxane n-dodecylsiloxane, 4-(trimethylsilyl)phenylsiloxane, para-tolylsiloxane, 4-fluorophenylsiloxane, 4-chlorophenylsiloxane, 4-bromophenylsiloxane, 4-iodophenylsiloxane, 4-cyanophenylsiloxane, benzylsiloxane, methylsiloxane, ethylsiloxane, 4-(trifluoromethyl)phenylsiloxane, 4-ammoniumbutylsiloxane, and any combination thereof.