A Multi-Nuclear MAS-NMR Study on the Structural Properties of Silicalite-1 Zeolite Synthesized Using N- and P-Based Organic Structure Directing Agents
Abstract
:1. Introduction
2. Materials and Methods
2.1. Synthesis of Silicalite-1 Zeolites
2.2. Characterization Techniques
3. Results and Discussion
3.1. Synthesis of Silicalite-1 Zeolites
3.2. Structural Characterization of Silicalite-1 Zeolites by MAS NMR Spectroscopy
3.2.1. Characterization of the Framework and Guest Species
3.2.2. Characterization of the Interactions OSDA-Zeolite by Bidimensional NMR
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | OSDA 1 | Crystallization Time 2 (Days) |
---|---|---|
TPA-MFI | 1.00 TPA/0.00 TPP | 12 |
TPX-MFI25 | 0.25 TPP/0.75 TPA | 7 |
TPX-MFI45 | 0.50 TPP/0.50 TPA | 10 |
TPP-MFI | 0.00 TPA/1.00 TPP | 7 |
Sample | P/(P + N) 1 Gel | P/(P + N) 1 Solid | OSDA/ u.c. 2 | F/u.c. 3 | F/OSDA |
---|---|---|---|---|---|
TPA-MFI | 0.00 | 0.00 | 4.5 | 3.3 | 0.74 |
TPX-MFI25 | 0.25 | 0.26 | 4.1 | 2.6 | 0.64 |
TPX-MFI45 | 0.50 | 0.45 | 4.1 | 2.5 | 0.60 |
TPP-MFI | 1.00 | 1.00 | 4.3 | 2.4 | 0.56 |
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Martinez-Ortigosa, J.; Simancas, J.; Vidal-Moya, J.A.; Rey, F.; Valencia, S.; Blasco, T. A Multi-Nuclear MAS-NMR Study on the Structural Properties of Silicalite-1 Zeolite Synthesized Using N- and P-Based Organic Structure Directing Agents. Appl. Sci. 2021, 11, 6850. https://doi.org/10.3390/app11156850
Martinez-Ortigosa J, Simancas J, Vidal-Moya JA, Rey F, Valencia S, Blasco T. A Multi-Nuclear MAS-NMR Study on the Structural Properties of Silicalite-1 Zeolite Synthesized Using N- and P-Based Organic Structure Directing Agents. Applied Sciences. 2021; 11(15):6850. https://doi.org/10.3390/app11156850
Chicago/Turabian StyleMartinez-Ortigosa, Joaquin, Jorge Simancas, Jose A. Vidal-Moya, Fernando Rey, Susana Valencia, and Teresa Blasco. 2021. "A Multi-Nuclear MAS-NMR Study on the Structural Properties of Silicalite-1 Zeolite Synthesized Using N- and P-Based Organic Structure Directing Agents" Applied Sciences 11, no. 15: 6850. https://doi.org/10.3390/app11156850