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Nanotechnology offers innovative approaches to mitigating air pollution by exploiting the unique properties of materials at the nanoscale. Nanomaterials, due to their high surface area-to-volume ratio and tunable surface chemistry, are highly efficient in capturing, degrading, or converting harmful pollutants present in the air. One significant application is the development of photocatalytic nanoparticles such as titanium dioxide (TiO₂) and ______ ____ _________ _______ ____.
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