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Prolonged Electron Lifetime in Ordered TiO 2 Mesophyll Cell‐Like Microspheres for Efficient Photocatalytic Water Reduction and Oxidation
Author(s) -
Zhang Yanyan,
Wu Bo,
Tang Yuxin,
Qi Dianpeng,
Wang Ning,
Wang Xiaotian,
Ma Xueling,
Sum Tze Chien,
Chen Xiaodong
Publication year - 2016
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.201503611
Subject(s) - photocatalysis , mesoporous material , materials science , nanoparticle , lattice (music) , nanocrystal , microsphere , chemical engineering , electron , nanotechnology , catalysis , chemistry , organic chemistry , physics , quantum mechanics , engineering , acoustics
Mesoporous integrated TiO 2 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 H 2 and O 2 generation.