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| Content Provider | Springer Nature Link |
|---|---|
| Author | Jin, Minji Nagaoka, Yu Nishi, Kazuomi Ogawa, Kinuyo Nagahata, Shoji Horikawa, Toshihide Katoh, Masahiro Tomida, Tahei Hayashi, Jun’ichi |
| Copyright Year | 2008 |
| Abstract | Photocatalysts of TiO2 and La-doped TiO2 were prepared by calcining the pure TiO2 sols and the sols mixed with La(NO3)3⋅6H2O at 873 K, respectively. These photocatalysts were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM) and N2 adsorption-desorption isotherms measurement. As results, the BET surface area, pore diameter, mesopore volume and micropore volume slightly increased, while the crystallite size and the phase structure were little affected by lanthanum doping. The equilibrium adsorption of methylene blue (MB) on the photocatalysts were measured in a dark room. The adsorption isotherms were confirmed to fit to the Langmuir theory. Photocatalytic activities of the photocatalysts were studied by employing the photocatalytic degradation of MB in water and degradation of acetaldehyde in air under UV-irradiation using a black light. Kinetic analysis revealed that the rate controlling steps could be the surface reaction of the adsorbed MB on the catalyst surface for MB degradation and the reaction of adsorbed acetaldehyde with the gaseous acetaldehyde for degradation of acetaldehyde, respectively. |
| Starting Page | 257 |
| Ending Page | 263 |
| Page Count | 7 |
| File Format | |
| ISSN | 09295607 |
| Journal | Adsorption |
| Volume Number | 14 |
| Issue Number | 2-3 |
| e-ISSN | 15728757 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2008-01-09 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Adsorption Photocatalytic activity-TiO2 La doping Methylene blue degradation Engineering Thermodynamics, Transport Phenomena Industrial Chemistry/Chemical Engineering Surfaces and Interfaces, Thin Films |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Chemical Engineering Surfaces and Interfaces |
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