Facile Synthesis and Surface Characterization of Titania-Incorporated Mesoporous Organosilica Materials
Abstract
:1. Introduction
2. Experimental Section
2.1. Materials
2.2. Preparation
2.3. Measurements
2.4. Solid-State NMR
2.5. Calculations
2.6. Test of Basic Properties of Materials Using CO2 Adsorption Measurement
3. Results and Discussion
3.1. Properties of Ti-MO Samples Prepared at Different Synthesis Conditions
3.2. CO2 Adsorption
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Sample Notation | Precursors | Condition | TiPO Moles | ICS Moles (x) | TEOS Moles (y) |
---|---|---|---|---|---|
Ti$ | TiPO | Extracted-Calcined at 350 °C | 0.011 | - | - |
Ti* | TiPO | Calcined at 600 °C | 0.011 | - | - |
Ti-Ix-TSy# | ICS, TEOS, TiPO | As-Synthesized | 0.011 | 0.011 (x)/100 | 0.011 (y)/100 |
Ti-Ix | ICS, TiPO | Extracted-Calcined at 350 °C | 0.011 | 0.011 (x)/100 | - |
Ti-Ix-TSy | ICS, TEOS, TiPO | Extracted-Calcined at 350 °C | 0.011 | 0.011 (x)/100 | 0.011 (y)/100 |
Ti-Ix-TSy* | ICS, TEOS, TiPO | Calcined at 600 °C | 0.011 | 0.011 (x)/100 | 0.011 (y)/100 |
Isotherm | Vsp (cm3/g) | Vmi (cm3/g) | SBET/(m2/g) | Wmax/nm | N (mmol/g) | C (mmol/g) | Initial Ti/Si Ratio |
---|---|---|---|---|---|---|---|
Ti-I5-TS5 | 0.45 | 0.01 | 275 | 7.6 | 0.35 | 7.52 | 10:1 |
Ti-I10-TS10 | 0.50 | 0.01 | 264 | 7.3 | 0.65 | 8.38 | 10:2 |
Ti-I20 | 0.40 | 0.01 | 160 | 5.8 | 1.09 | 8.42 | 10:2 |
Ti-I50-TS50 | 0.39 | 0.04 | 334 | 4.0 | 1.80 | 13.90 | 10:10 |
Ti-I100 | 0.44 | 0.03 | 269 | 3.2 | 3.42 | 18.69 | 10:10 |
Ti$ | 0.36 | 0.01 | 144 | 9.2 | - | - | - |
Ti-I10-TS10 | 0.50 | 0.01 | 264 | 7.3 | 0.65 | 8.38 | 10:2 |
Ti-I10-TS30 | 0.51 | 0.02 | 332 | 7.3 | 0.60 | 7.21 | 10:4 |
Ti-I10-TS50 | 0.46 | 0.03 | 371 | 5.6 | 0.59 | 9.06 | 10:6 |
Ti-I10-TS90 | 0.53 | 0.05 | 475 | 4.8 | 0.52 | 9.88 | 10:10 |
Ti* | 0.36 | 0.01 | 111 | 11.6 | - | - | - |
Ti-I10-TS10* | 0.43 | 0.01 | 225 | 8.0 | 0.17 | 5.44 | 10:2 |
Ti-I10-TS30* | 0.46 | 0.01 | 300 | 7.3 | 0.14 | 4.69 | 10:4 |
Ti-I10-TS50* | 0.45 | 0.03 | 373 | 5.0 | 0.15 | 6.40 | 10:6 |
Ti-I10-TS90* | 0.73 | 0.04 | 487 | 4.6 | 0.15 | 6.29 | 10:10 |
Sample | SBET (m2/g) | N (mmol/g) | n CO2 (mmol/g) | n*CO2 (µmol/m2) | ASA (m2/g) | 100.ASA/SBET (%) |
---|---|---|---|---|---|---|
Ti-I5-TS5 | 275 | 0.35 | 0.70 | 2.54 | 91.9 | 33.4 |
Ti-I10-TS10 | 264 | 0.65 | 0.63 | 2.38 | 82.7 | 31.3 |
Ti-I20 | 160 | 1.09 | 0.60 | 3.75 | 78.8 | 49.2 |
Ti-I50-TS50 | 334 | 1.80 | 0.59 | 1.76 | 77.4 | 23.2 |
Ti-I100 | 269 | 3.42 | 0.55 | 2.05 | 72.2 | 26.9 |
Ti$ | 144 | - | 0.62 | 4.30 | 81.4 | 56.5 |
Ti-I10-TS10 | 264 | 0.65 | 0.63 | 2.38 | 82.7 | 31.3 |
Ti-I10-TS30 | 332 | 0.60 | 0.64 | 1.93 | 84.0 | 25.3 |
Ti-I10-TS50 | 371 | 0.59 | 0.69 | 1.86 | 90.6 | 24.4 |
Ti-I10-TS90 | 475 | 0.52 | 0.72 | 1.52 | 94.5 | 19.9 |
Ti* | 111 | - | 0.41 | 3.68 | 53.8 | 48.3 |
Ti-I10-TS10* | 225 | 0.17 | 0.48 | 2.13 | 63.0 | 28.0 |
Ti-I10-TS30* | 300 | 0.14 | 0.68 | 2.27 | 89.3 | 29.8 |
Ti-I10-TS50* | 373 | 0.15 | 0.72 | 1.93 | 94.5 | 25.3 |
Ti-I10-TS90* | 487 | 0.15 | 0.81 | 1.66 | 106.3 | 21.8 |
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Gunathilake, C.; Kalpage, C.; Kadanapitiye, M.; Dassanayake, R.S.; Manchanda, A.S.; Gangoda, M. Facile Synthesis and Surface Characterization of Titania-Incorporated Mesoporous Organosilica Materials. J. Compos. Sci. 2019, 3, 77. https://doi.org/10.3390/jcs3030077
Gunathilake C, Kalpage C, Kadanapitiye M, Dassanayake RS, Manchanda AS, Gangoda M. Facile Synthesis and Surface Characterization of Titania-Incorporated Mesoporous Organosilica Materials. Journal of Composites Science. 2019; 3(3):77. https://doi.org/10.3390/jcs3030077
Chicago/Turabian StyleGunathilake, Chamila, Chandrakantha Kalpage, Murthi Kadanapitiye, Rohan S. Dassanayake, Amanpreet S. Manchanda, and Mahinda Gangoda. 2019. "Facile Synthesis and Surface Characterization of Titania-Incorporated Mesoporous Organosilica Materials" Journal of Composites Science 3, no. 3: 77. https://doi.org/10.3390/jcs3030077