The Influence of Nd and Sm on the Structure and Properties of Sol-Gel-Derived TiO2 Powders
Abstract
:1. Introduction
2. Results and Discussion
2.1. Phase Transformations
2.2. Thermal Stability of the Gels
2.3. Structural Studies and Optical Properties
UV-Vis Spectroscopy
2.4. Photocatalytic and Antibacterial Properties
2.4.1. Photocatalytic Activity
2.4.2. Antibacterial Activity
3. Materials and Methods
3.1. Materials and Reagents
3.2. Preparation of Nd and Sm-Modified TiO2 Gels
3.3. Characterization
3.4. Photocatalytic Experiments
3.5. Antibacterial Assay
3.5.1. Test Microorganisms, Media and Culture Conditions
3.5.2. Antimicrobial Activity Assay
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Sample Availability
References
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Gels Composition, mol % | UV-Vis Results | |
---|---|---|
Eg, eV | Cut-Off, nm | |
TiO2 (Ti(IV) isopropoxide) | 3.37 | 367.69 |
TS (2% Sm) | 2.90 | 431.98 |
TN (2% Nd) | 2.61 | 474.24 |
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Bachvarova-Nedelcheva, A.; Yordanov, S.; Iordanova, R.; Stambolova, I.; Stoyanova, A.; Georgieva, N.; Nemska, V. The Influence of Nd and Sm on the Structure and Properties of Sol-Gel-Derived TiO2 Powders. Molecules 2021, 26, 3824. https://doi.org/10.3390/molecules26133824
Bachvarova-Nedelcheva A, Yordanov S, Iordanova R, Stambolova I, Stoyanova A, Georgieva N, Nemska V. The Influence of Nd and Sm on the Structure and Properties of Sol-Gel-Derived TiO2 Powders. Molecules. 2021; 26(13):3824. https://doi.org/10.3390/molecules26133824
Chicago/Turabian StyleBachvarova-Nedelcheva, Albena, Stancho Yordanov, Reni Iordanova, Irina Stambolova, Angelina Stoyanova, Nelly Georgieva, and Veronica Nemska. 2021. "The Influence of Nd and Sm on the Structure and Properties of Sol-Gel-Derived TiO2 Powders" Molecules 26, no. 13: 3824. https://doi.org/10.3390/molecules26133824