Synthesis and Characterization of N and Fe-Doped TiO₂ Nanoparticles for 2,4-Dimethylaniline Mineralization.

ABSTRACT: The present study aimed to evaluate the feasibility of developing low-cost N- and Fe-doped TiO₂ photocatalysts for investigating the mineralization of 2,4-dimethylaniline (2,4-DMA). With a single anatase phase, the photocatalysts showed high thermal stability with mass losses of less than 2%. The predominant oxidative state is Ti⁴⁺, but there is presence of Ti³⁺ associated with oxygen vacancies. In materials with N, doping was interstitial in the NH₃/NH⁴⁺ form and for doping with Fe, there was a presence of Fe-Ti bonds (indicating substitutional occupations). With an improved band gap energy from 3.16 eV to 2.82 eV the photoactivity of the photocatalysts was validated with an 18 W UVA lamp (340-415 nm) with a flux of 8.23 × 10^-6</

SUBMITTER: Faustino E 

PROVIDER: S-EPMC9331849 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature