L-asparagine Assisted Synthesis of Pt/CeO2 Nanospheres for Toluene Combustion
Abstract
:1. Introduction
2. Results and Discussion
2.1. Characterization of Material Structure
2.2. Research on Synthesis Mechanism
2.3. Toluene Catalytic Combustion Activity
3. Experimental Section
3.1. Materials
3.2. Catalyst Preparation
3.3. Characterization
3.4. Catalytic Combustion of Toluene
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Sample | BET Surface Area (m2/g) | Micropore Size (nm) | Secondary Pore Size (nm) | Pore Volume (cm3/g) |
---|---|---|---|---|
CeO2-NS | 75 | ~1.5 | 10–100 | 0.10 |
Pt/CeO2-NS | 70 | ~1.5 | 10–100 | 0.11 |
Catalyst | Pt Loading Amount (wt%) | T50 (°C) | T90 (°C) |
---|---|---|---|
Pt/CeO2-NS | 1.14 | 224 | 237 |
Pt/CeO2 | 1.16 | 283 | 304 |
Catalyst | Oads/Olatt+Oads+OH2O | Pt4+/Pt2++Pt4+ | Ce3+/Ce3++Ce4+ |
---|---|---|---|
Pt/CeO2-NS | 0.28 | 0.39 | 0.30 |
Pt/CeO2 | 0.11 | — | 0.20 |
Sample | Shell | CN a | R (Å) b | σ2 c | ΔE0 d | R Factor |
---|---|---|---|---|---|---|
Pt/CeO2-NS | Pt-O | 5.2 ± 0.3 | 2.00 ± 0.01 | 0.0017 | 11.0 ± 1.7 | 0.0132 |
Pt-O1 | 1.4 ± 0.6 | 2.45 ± 0.03 | 0.0016 | |||
Pt-O-Ce | 2.0 ± 1.4 | 3.20 ± 0.04 | 0.0071 |
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Hao, Y.; Chen, S.; Zhang, X.; Chen, T. L-asparagine Assisted Synthesis of Pt/CeO2 Nanospheres for Toluene Combustion. Catalysts 2022, 12, 887. https://doi.org/10.3390/catal12080887
Hao Y, Chen S, Zhang X, Chen T. L-asparagine Assisted Synthesis of Pt/CeO2 Nanospheres for Toluene Combustion. Catalysts. 2022; 12(8):887. https://doi.org/10.3390/catal12080887
Chicago/Turabian StyleHao, Yu, Shaohua Chen, Xueyin Zhang, and Tiehong Chen. 2022. "L-asparagine Assisted Synthesis of Pt/CeO2 Nanospheres for Toluene Combustion" Catalysts 12, no. 8: 887. https://doi.org/10.3390/catal12080887