Photocatalytic Hydrogen Evolution Using Activated Carbon Supported LaFeO3
DOI:
https://doi.org/10.5281/zenodo.14566685Keywords:
Photocatalysis, hydrogen, LaFeO3, activated carbon, perovskiteAbstract
Photocatalytic hydrogen production represents a sustainable approach to addressing energy demands while simultaneously mitigating environmental pollution. In this study, activated carbon-supported LaFeO3 (AC-LaFeO3) was synthesized and applied as a photocatalyst for hydrogen evolution from the oxytetracycline (OTC) solution as a model pollutant and sacrificial agent. Comprehensive characterization techniques, such as SEM, BET, X-ray diffraction (XRD), and photoluminescence (PL) spectroscopy, confirmed the morphological and optical properties of AC-LaFeO3. It demonstrated enhanced photocatalytic performance under visible light irradiation, attributed to the synergistic effects between LaFeO3 and activated carbon, including improved charge separation and increased surface area. The hydrogen evolution rate reached a maximum of 142 mmol/h under optimized conditions after 4 h of reaction duration. The results highlight the potential of AC-LaFeO3 in simultaneously addressing wastewater treatment challenges and sustainable hydrogen production, providing a dual-purpose solution for environmental remediation and clean energy generation.
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