Engineered bismuth oxyhalides/g-C3N4 S-scheme heterojunction for tetracycline photodegradation: An experimental and DFT study

doi:10.1016/j.mtnano.2026.100917

Engineered bismuth oxyhalides/g-C3N4 S-scheme heterojunction for tetracycline photodegradation: An experimental and DFT study

2026-08-06

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Alireza Z. Moshfegh *

DOI：10.1016/j.mtnano.2026.100917

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• A novel S-scheme NSCN/BiOCl0.5Br0.5 heterojunction was constructed. • 94% tetracycline degradation was achieved within 75 min under simulated solar irradiation. • Cl/Br ratio tuning balanced light harvesting and surface redox potential. • h+, •OH, and e− played key roles in tetracycline photodegradation. • DFT calculations confirmed the built-in electric field at the interface.

Keywords:

Bismuth oxybromide

Bismuth oxychloride

BiOBr

BiOCl

Photocatalyst

Antibiotic photodegradation

Emerging pollutants

Engineered bismuth oxyhalides/g-C3N4 S-scheme heterojunction for tetracycline photodegradation: An experimental and DFT study

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