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Small. 2016 May;12(17):2291-9. doi: 10.1002/smll.201503611. Epub 2016 Mar 21.

Prolonged Electron Lifetime in Ordered TiO2 Mesophyll Cell-Like Microspheres for Efficient Photocatalytic Water Reduction and Oxidation.

Author information

1
School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.
2
School of Physical & Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore.

Abstract

Mesoporous integrated TiO2 spheres composed of numerous orderly arranged nanocrystals with a reduced lattice-lattice interface connection, display an almost four times longer electron lifetime (350 ps) than the randomly aggregated nanoparticles (80 ps), and hence enhance the corresponding photocatalytic H2 and O2 generation.

KEYWORDS:

TiO2 photocatalysts; anti-aggregation; electron lifetimes; hierarchical structures; water splitting

PMID:
26997096
DOI:
10.1002/smll.201503611

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