Bias‐Free Photoelectrochemical Water Oxidation Coupled with Electrochemical Oxygen Reduction Reaction via Fe‐Based Electrodes with Long‐Term Operation DOI Open Access
Haojie Chen, Zehua Gao, Nhat Truong Nguyen

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 4, 2024

Abstract Photoelectrochemistry (PEC) is a green and sustainable approach in the synthesis of H 2 O , depending on semiconductor to initiate two‐electron water oxidation into hydrogen peroxide (H ). However, photoanodes generally have sluggish charge transfer limited number active sites, which limit yield faradaic efficiency (FE) for production . Herein, Ti‐doped Fe 3 photoanode with modification ZnO passivation layer (ZnO/Ti‐Fe ) PEC developed. The optimized has shown high FE selectivity oxidation, achieving approaching 0.56 µmol min −1 cm −2 at 1.23 V RHE an average over 80% potential range from 1.0 1.6 Impressively, unassisted system designed generate ZnO/Ti‐Fe while performing oxygen reduction reaction (ORR) Fe(Co)‐NC cathode. integrated enables rate 0.275 without applying any additional bias. Moreover, cell obtains long‐term stability 100 h. This work demonstrates new possibilities designing efficient stable assemblies using low‐cost earth‐abundant materials light‐driven catalysis.

Language: Английский

Flexible Hybrid Membrane with Synergistic Exciton Dynamics for Excessive 280 h of Durably Piezo‐Photocatalytic H2O‐to‐H2 Conversion DOI

Tenghao Ma,

Guocheng Liao,

Fanfan Gao

et al.

Small, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 18, 2024

Solar-driven H

Language: Английский

Citations

0
Bias‐Free Photoelectrochemical Water Oxidation Coupled with Electrochemical Oxygen Reduction Reaction via Fe‐Based Electrodes with Long‐Term Operation DOI Open Access
Haojie Chen, Zehua Gao, Nhat Truong Nguyen

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 4, 2024

Abstract Photoelectrochemistry (PEC) is a green and sustainable approach in the synthesis of H 2 O , depending on semiconductor to initiate two‐electron water oxidation into hydrogen peroxide (H ). However, photoanodes generally have sluggish charge transfer limited number active sites, which limit yield faradaic efficiency (FE) for production . Herein, Ti‐doped Fe 3 photoanode with modification ZnO passivation layer (ZnO/Ti‐Fe ) PEC developed. The optimized has shown high FE selectivity oxidation, achieving approaching 0.56 µmol min −1 cm −2 at 1.23 V RHE an average over 80% potential range from 1.0 1.6 Impressively, unassisted system designed generate ZnO/Ti‐Fe while performing oxygen reduction reaction (ORR) Fe(Co)‐NC cathode. integrated enables rate 0.275 without applying any additional bias. Moreover, cell obtains long‐term stability 100 h. This work demonstrates new possibilities designing efficient stable assemblies using low‐cost earth‐abundant materials light‐driven catalysis.

Language: Английский

Citations

0