RT Journal Article T1 Reduced band gap SrTiO3 thin film prepared by magnetron sputtering for the oxygen evolution reaction. A1 Peinado-Pérez, Juan José A1 Solis Cortes, Daniel A1 Martín-Jiménez, Francisco de Paula A1 López-Escalante, María Cruz K1 Electroquímica AB The development of non-precious element-based materials that are stable, binder-free and prepared on economical and environmentally sustainable substrates will be fundamental to the growth of the green hydrogen industry. SrTiO3 perovskites (STO) are very interesting materials due to their high bandgap, the possibility of its modulation and high stability. However, their high resistivity causes a decrease in the efficiency of the oxygen evolution reaction (OER). In this work, STO thin films with an average thickness of 70.95 nm were prepared directly on carbon paper (CP) by magnetron sputtering without the use of stabilizing binder. The samples where thermally treated in reductive atmosphere (STO-TT) and results a film with a low optical band gap of 3.06 eV. The electrochemical study for OER reaction reveals a better behavior of the STO-TT sample in terms of overpotential, Taffel slope and stability for 24 hours. PB Elselvier YR 2024 FD 2024 LK https://hdl.handle.net/10630/35551 UL https://hdl.handle.net/10630/35551 LA eng NO Materials Today Communications 41 (2024) 110492 NO Política de acceso abierto tomada de: https://openpolicyfinder.jisc.ac.uk/id/publication/35836 NO PID2020–117832RB-100 MCIN/ AEI/10.13039/501100011033, Spain and Universidad de Málaga FQM192-G-FEDER 2023–2025 DS RIUMA. Repositorio Institucional de la Universidad de Málaga RD 20 ene 2026