Boosting CO 2  Photoreduction Efficiency of Carbon Nitride via S‐scheme g‐C 3 N 4 /Fe 2 TiO 5  Heterojunction

Santos, Gustavo Bulgraen dos; Tian, Liang; Gonçalves, Renato V.; Garcı́a, Hermenegildo; Rossi, Liane M.

doi:10.1002/adfm.202422055

articleAdvanced Functional MaterialsFeb 19, 2025Closed access

Boosting CO 2 Photoreduction Efficiency of Carbon Nitride via S‐scheme g‐C 3 N 4 /Fe 2 TiO 5 Heterojunction

GBGustavo Bulgraen dos Santos LTLiang Tian RVRenato V. Gonçalves HGHermenegildo Garcı́a LMLiane M. Rossi

Universidade de São Paulo · Instituto de Tecnología Química · +2 more institutions

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Abstract

Abstract Photocatalysis has emerged as an alternative to high energy‐demanding CO 2 reduction reactions. Among the widely studied photocatalysts, g‐C 3 N 4 stands out due to its composition based on earth‐abundant elements, its ability to absorb visible light, and its suitable band structure. In this study, a photocatalyst based on an S‐scheme heterojunction formed by g‐C 3 N 4 and nanosized Fe 2 TiO 5 is successfully prepared via simple hydrothermal assembly of both pre‐synthesized semiconductors. Modifications induced on g‐C 3 N 4 during the heterojunction preparation play a crucial role in the efficiency of the CO 2 photoreduction reaction. Under simulated sunlight irradiation, the g‐C 3 N 4 /Fe 2 TiO 5…

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Keywords

Materials science
Heterojunction
Carbon nitride
Nitride
Boosting (machine learning)
Carbon fibers
Optoelectronics
Engineering physics

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