Metallic Strontium as a Precursor of the Al2O3/SrCO3 Xerogels Obtained by the One-Pot Sol–Gel Method
Abstract
:1. Introduction
2. Results and Discussion
2.1. X-ray Powder Diffraction
2.2. SEM, TEM, and EDS Analysis
2.3. Porous Structure—Low Temperature Nitrogen Adsorption–Desorption
2.4. Chemisorption of Hydrogen on Pt-Al-Sr Catalysts
2.5. Thermal Analysis
3. Conclusions
4. Materials and Methods
4.1. Materials
4.2. Preparation
4.3. Characterization
4.3.1. X-ray Diffraction Analysis
4.3.2. SEM, TEM, and EDS (Energy Dispersive X-ray Spectroscopy) Analysis
4.3.3. Porous Structure
4.3.4. Thermal Analysis
4.3.5. Chemisorption of Hydrogen on Pt-Al-Sr Catalysts
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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System Composition | Surface Area SBET [m2/g] | Average Pore Diameter DBJH [nm] | Average Pore Volume DBJH [cm3/g] |
---|---|---|---|
Sr0.1 | 135 | 7 | 0.30 |
Sr0.25 | 204 | 6 | 0.34 |
Sr0.5 | 132 | 6 | 0.25 |
Sr1.0 | 69 | 6 | 0.13 |
Sr0.1 Pt | 154 | 7 | 0.29 |
Sr0.25 Pt | 209 | 6 | 0.31 |
Sr0.5 Pt | 159 | 7 | 0.25 |
Sr1.0 Pt | 75 | 6 | 0.12 |
System Composition | Metal (Pt) Dispersion [%] | Metallic Surface [m2/gmetal] | Volume of Adsorbed Hydrogen [cm3/g] |
---|---|---|---|
Sr0.1 Pt | 47 | 116.94 | 0.27 ± 0.006 |
Sr0.25 Pt | 49 | 122.55 | 0.29 ± 0.004 |
Sr0.5 Pt | 48 | 119.15 | 0.28 ± 0.001 |
Sr1.0 Pt | 42 | 102.94 | 0.24 ± 0.003 |
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Romanczuk-Ruszuk, E.; Sztorch, B.; Oksiuta, Z.; Przekop, R.E. Metallic Strontium as a Precursor of the Al2O3/SrCO3 Xerogels Obtained by the One-Pot Sol–Gel Method. Gels 2022, 8, 473. https://doi.org/10.3390/gels8080473
Romanczuk-Ruszuk E, Sztorch B, Oksiuta Z, Przekop RE. Metallic Strontium as a Precursor of the Al2O3/SrCO3 Xerogels Obtained by the One-Pot Sol–Gel Method. Gels. 2022; 8(8):473. https://doi.org/10.3390/gels8080473
Chicago/Turabian StyleRomanczuk-Ruszuk, Eliza, Bogna Sztorch, Zbigniew Oksiuta, and Robert E. Przekop. 2022. "Metallic Strontium as a Precursor of the Al2O3/SrCO3 Xerogels Obtained by the One-Pot Sol–Gel Method" Gels 8, no. 8: 473. https://doi.org/10.3390/gels8080473