Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 18, Pages 7600-7603Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja3012676
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Funding
- Regione Lombardia through ACCORDO QUADRO Regione Lombardia e CNR per l'attuazione di programmi di ricerca e sviluppo
- Italian Ministry of Education, University and Research through FIRB [RBPR05JH2P, RBA-P115AYN]
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The increasing need for new materials capable of solar fuel generation is central in the development of a green energy economy. In this contribution, we demonstrate that black TiO2 nanoparticles obtained through a one-step reduction/crystallization process exhibit a bandgap of only 1.85 eV, which matches well with visible light absorption. The electronic structure of black TiO2 nanoparticles is determined by the unique crystalline and defective core/disordered shell morphology. We introduce new insights that will be useful for the design of nanostructured photocatalysts for energy applications.
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