Photoelectrocatalytic Processes of TiO₂ Film: The Dominating Factors for the Degradation of Methyl Orange and the Understanding of Mechanism.

ABSTRACT: Various thicknesses of TiO₂ films were prepared by the sol-gel method and spin-coating process. These prepared TiO₂ films exhibit thickness-dependent photoelectrochemical performance. The 1.09-μm-thickTiO₂ film with 20 spin-coating layers (TiO₂-20) exhibits the highest short circuit current of 0.21 mAcm^-2 and open circuit voltage of 0.58 V among all samples and exhibits a low PEC reaction energy barrier and fast kinetic process. Photoelectrocatalytic (PEC) degradation of methyl orange (MO) by TiO₂ films was carried out under UV light. The roles of bias, film thickness, pH value, and ion properties were systematically studied because they are the four most important factors dominating the PEC performance of TiO₂ fi

SUBMITTER: Xiong Y 

PROVIDER: S-EPMC10746121 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature