Study on the Effect of Pt Intercalation into Layered Niobate Perovskite for Photocatalytic Behavior

A novel photocatalyst consisting of an intercalated perovskite H(1-2x)Pt(x)LaNb2O7 was fabricated by ion exchange. Synchrotron X-ray diffraction and X-ray photoelectron spectroscopy results confirmed that Pt(2+) exists within the interlayer space of the layered perovskite. H(1-2x)Pt(x)LaNb2O7 compos...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 31(2015), 27 vom: 14. Juli, Seite 7660-5
1. Verfasser: Xu, Nan (VerfasserIn)
Weitere Verfasser: Takei, Takahiro, Miura, Akira, Kumada, Nobuhiro, Katsumata, Ken-ichi, Matsushita, Nobuhiro, Okada, Kiyoshi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a A novel photocatalyst consisting of an intercalated perovskite H(1-2x)Pt(x)LaNb2O7 was fabricated by ion exchange. Synchrotron X-ray diffraction and X-ray photoelectron spectroscopy results confirmed that Pt(2+) exists within the interlayer space of the layered perovskite. H(1-2x)Pt(x)LaNb2O7 composed of layered niobate perovskite and intercalated Pt(2+) completely degraded a 20 ppm phenol solution in 3 h under irradiation by Xe light, which exhibits photocatalytic activity superior to those of RbLaNb2O7, Pt-deposited RbLaNb2O7, and HLaNb2O7. From first-principles density functional theory simulation, high photocatalytic activity of H(1-2x)Pt(x)LaNb2O7 is attributed to the emergence of a new O 2p-Pt 5d hybridized band on top of the valence band 
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700 1 |a Takei, Takahiro  |e verfasserin  |4 aut 
700 1 |a Miura, Akira  |e verfasserin  |4 aut 
700 1 |a Kumada, Nobuhiro  |e verfasserin  |4 aut 
700 1 |a Katsumata, Ken-ichi  |e verfasserin  |4 aut 
700 1 |a Matsushita, Nobuhiro  |e verfasserin  |4 aut 
700 1 |a Okada, Kiyoshi  |e verfasserin  |4 aut 
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