August 22, 2025Advanced ScienceOpen Access

Spatially Separated Molecular Activation Over Dual Sites in Sn‐Doped ZnGa₂O₄/SnO₂ Photocatalysts Toward Complete VOCs Mineralization

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The optimized Sn‐doped ZnGa2O4 achieves nearly complete toluene degradation and high mineralization efficiency under various humidity conditions.
With 99.2% mineralization efficiency, the photocatalyst operates effectively over 720 minutes in 100% humidity.
Constructed via a one-step hydrothermal method, this new photocatalyst enhances charge separation to improve degradation rates.
These findings suggest that the design strategy of integrating Sn-doped components may promote advanced environmental purification technologies.

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This study demonstrates nearly 100% toluene degradation in humid conditions, highlighting the role of hydroxyl radicals and charge separation.

Hu et al. (2025) studied this question.

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This study demonstrates nearly 100% toluene degradation in humid conditions, highlighting the role of hydroxyl radicals and charge separation.