	US 12,253,504 B2
	Hydrogen sensors from organometallic precursors
David Zitoun, Ra'anana (IL); and Guy Rahamim, Petah Tikva (IL)
Assigned to BAR-ILAN UNIVERSITY, Ramat Gan (IL)
Appl. No. 15/734,690
Filed by BAR-ILAN UNIVERSITY, Ramat Gan (IL)
PCT Filed Jun. 6, 2019, PCT No. PCT/IL2019/050649 § 371(c)(1), (2) Date Dec. 3, 2020, PCT Pub. No. WO2019/234746, PCT Pub. Date Dec. 12, 2019.
Claims priority of provisional application 62/681,738, filed on Jun. 7, 2018.
Prior Publication US 2021/0231625 A1, Jul. 29, 2021
Int. Cl. G01N 33/00 (2006.01); G01N 27/12 (2006.01); B82Y 30/00 (2011.01)

CPC G01N 33/005 (2013.01) [G01N 27/127 (2013.01); B82Y 30/00 (2013.01)]

7 Claims

1. A hydrogen sensor comprising metal nanoparticles as a resistive member in contact with two conductive electrodes, said electrodes constituted by a gold film, and said nanoparticles consisting of palladium and nickel (Pd/Ni) or platinum (Pt), the metal nanoparticles in the sensor with a size of less than 20 nm mixed with nanoparticles of a semiconductor with a size of less than 20 nm wherein said semiconductor nanoparticles and said metal nanoparticles are in a weight ratio of between about 1 and 200.