Author Affiliations
1State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China2University of Chinese Academy of Sciences, Beijing 100049, China3School of Physical Science and Technology, ShanghaiTech University, Shanghai 200031, China4State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, Chinashow less
1. Structure of amorphous ATO-P prepared via facile co-precipitation
2. XRD patterns of TiO2 and ATO-P samples
3. TG (solid line) and DSC (dashed line) curves for ATO-P
4. SEM (a, b) and HRTEM (c) images, and EDS elemental mapping (d) of ATO-P
5. N2 adsorption-desorption isotherms (a) and pore size distributions (b) of ATO-P and TiO2
6. FT-IR spectra of TiO2 and ATO-P
7. Full XPS spectra (a) of TiO2 and ATO-P; High-resolution XPS P2p (b), Ti2p (c), and O1s (d) of TiO2 and ATO-P
8. TEM (a) and HRTEM (b) images of Pt/ATO-P with insert in (a) indicating the particle size distribution of Pt nanoparticles, XRD patterns (c) and XPS Pt4f (d) of Pt/ATO-P
9. Toluene conversion (a) of 1wt% Pt/ATO-P with respect to reaction temperature, and thermal stability (b) of Pt/ATO-P at 180 ℃
10. Toluene conversion over Pt/ATO-P catalysts with different Pt loadings
11. Catalytic activity of Pt/ATO-P for the conversion of benzene (a), ethyl acetate (b), n-hexane (c), and mesitylene (d) with respect to reaction temperature
S1. SEM (a) and HRTEM (b) images of TiO2
S2. HRTEM image of Pt/ATO-P
S3. H2-TPR profiles of Pt/TiO2 and Pt/ATO-P samples
S4. TEM images of 0.5wt% Pt/ATO-P (a) and 2wt% Pt/ATO-P (b) For the catalyst with low loading of 0.5wt%, there are few Pt nanoparticles in the ATO-P supports. By contract, the Pt particles are larger than that with loading of 1wt% when the loading up to 2wt%
S5. TEM (a) and HRTEM (b) images of the used Pt/ATO-P catalyst
S6. XPS Pt 4f spectra of the fresh and the used Pt/ATO-P catalysts
Catalyst | BET surface area/(m2g-1) | Pore volume /(cm3g-1) | Pore size/nm | Elemental composition /wt%[a] |
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P | Ti | O |
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TiO2 | 10.9 | 0.04 | 15.7 | - | 60.0 | 40.0 | ATO-P | 278.9 | 0.80 | 11.4 | 19.2 | 32.1 | 48.7 |
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Table 1. Textural properties and elemental compositions of TiO2 and ATO-P samples