Multiphase TiO2 was stably modified by vacuum treatment for a dramatic improvement in visible‐light absorption and photocatalytic reactivity. The samples were made of rutile‐brookite, bare or N doped, and were… Click to show full abstract
Multiphase TiO2 was stably modified by vacuum treatment for a dramatic improvement in visible‐light absorption and photocatalytic reactivity. The samples were made of rutile‐brookite, bare or N doped, and were grown on reduced graphene oxide. The stable introduction of Ti3+ species and oxygen vacancies resulting in mitigated electron–hole recombination was identified as the main responsible factor, along with a change in surface charges.
               
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