Probing the surface adsorption and photocatalytic degradation of catechols on TiO2 by solid-state NMR spectroscopy.
The local structure of the TiO2 surface modified with electron-donating bidentate ligands, such as catechols, has been investigated by solid-state NMR spectroscopy. The adsorption and degradation processes of catechols at the TiO2 surface were observed. The photocatalytic degradation mechanism of catechols at the TiO2 surface was interpreted in terms of the interfacial charge recombination reaction with conduction band electrons.
Tachikawa
Takashi
T
Institute of Scientific and Industrial Research (SANKEN), Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047, Japan.
Takai
Yoshio
Y
Tojo
Sachiko
S
Fujitsuka
Mamoru
M
Majima
Tetsuro
T
D000327:Adsorption; D002384:Catalysis; D009682:Magnetic Resonance Spectroscopy / Q000379:methods*; D015335:Molecular Probes; D010777:Photochemistry; D013499:Surface Properties; D014025:Titanium / Q000737:chemistry*
D015335:Molecular Probes; C009495:titanium dioxide; D014025:Titanium