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Palladium Oxide Nanoparticles on Nitrogen‐Doped Titanium Oxide: Accelerated Photocatalytic Disinfection and Post‐Illumination Catalytic “Memory”
Author(s) -
Li Qi,
Li Yin Wai,
Wu Pinggui,
Xie Rongcai,
Shang Jian Ku
Publication year - 2008
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200800685
Subject(s) - photocatalysis , materials science , catalysis , titanium oxide , oxide , nanoparticle , doping , nitrogen , titanium , palladium , visible spectrum , inorganic chemistry , photochemistry , chemical engineering , nanotechnology , chemistry , optoelectronics , organic chemistry , metallurgy , engineering
A visible light photocatalyst is synthesized by dispersing palladium oxide nanoparticles on nitrogen‐doped n ‐titanium oxide. The photocatalyst demonstrates not only a much faster photocatalytic disinfection rate on Escherichia coli under visible light illumination than nitrogen‐doped titanium oxide, but also a “memory” catalytic disinfection capability. These unusual antimicrobial properties of TiON/PdO are derived from strong optoelectronic coupling between PdO nanoparticles and TiON semiconductor.
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