Nitrogen-doped titanium dioxide represents a major advance in semiconductor photocatalysis, extending the response of TiO₂ from the ultraviolet into the visible spectrum of sunlight. By incorporating ...

Titanium dioxide (TiO₂) has emerged as a cornerstone material in photocatalysis owing to its chemical stability, low cost and non-toxicity. In its most active form, TiO₂ absorbs ultraviolet light to ...