公开(公告)号：US20230408475A1

公开(公告)日：2023-12-21

申请号：US18251053

申请日：2021-10-29

Applicant: ROYAL MELBOURNE INSTITUTE OF TECHNOLOGY

Inventor： Ebtsam Khalefah ALENEZY ,  Yilas Mohammad SABRI ,  Ahmad Esmaiel KANDJANI ,  Samuel James IPPOLITO ,  Suresh Kumar BHARGAVA

IPC: G01N33/00

CPC classification number: G01N33/0062 ,  G01N33/005

Abstract: The invention provides a chemiresistive substrate for a dihydrogen-sensitive amperometric gas sensor, the chemiresistive substrate comprising: a crystalline semiconductive metal oxide layer comprising an array of spaced apart hollow metal oxide micro-shells protruding from a base plane of the metal oxide layer; and metallic nanoparticles decorating the metal oxide layer.