Design of SnO₂:Ni,Ir Nanoparticulate Photoelectrodes for Efficient Photoelectrochemical Water Splitting.

ABSTRACT: Currently, hydrogen generation via photocatalytic water splitting using semiconductors is regarded as a simple environmental solution to energy challenges. This paper discusses the effects of the doping of noble metals, Ir (3.0 at.%) and Ni (1.5-4.5 at.%), on the structure, morphology, optical properties, and photoelectrochemical performance of sol-gel-produced SnO₂ thin films. The incorporation of Ir and Ni influences the position of the peaks and the lattice characteristics of the tetragonal polycrystalline SnO₂ films. The films have a homogeneous, compact, and crack-free nanoparticulate morphology. As the doping level is increased, the grain size shrinks, and the films have a high proclivity for forming Sn-OH bonds. The optical bandgap of the un-doped film is 3.5 e

SUBMITTER: Shaban M 

PROVIDER: S-EPMC8839913 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature