Water-Based Photocatalytic Sol–Gel TiO2 Coatings: Synthesis and Durability
Abstract
:1. Introduction
2. Results and Discussion
2.1. TiO2 Film Structural Characterization
2.2. Photocatalytic Activity of Synthesized Coatings
2.3. Comparison with Previous TiO2 Coatings
2.4. Durability and Stability of the Coatings
2.5. Spectrophotometric Analyses
3. Materials and Methods
3.1. Materials
3.2. Synthesis of Sol
3.3. Deposition of Thin Films
3.4. Characterization of TiO2 Thin Films
3.5. Photocatalytic Tests in Liquid Phase
3.6. Durability and Stability of TiO2 Thin Films
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Thermal Treatment Temperature (°C) | Anatase Crystallite Size (nm) |
---|---|
Room Temperature | n.a.1 |
100 | n.a.1 |
300 | 7.9 |
500 | 13.9 |
600 | 16.1 |
Number of Dips | Dipping Speed (mm/min) | Annealing Temperature (°C) | Annealing Duration (h) |
---|---|---|---|
2 | 120 | 500 | 2 |
2 | 120 | 500 | 1 |
2 | |||
3 | |||
6 | |||
2 | 120 | Room temperature | 2 |
60 | |||
100 | |||
300 | |||
500 | |||
600 | |||
2 | 60 | 500 | 2 |
120 | |||
180 | |||
240 | |||
1 | 120 | 500 | 2 |
2 | |||
3 |
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Bellè, U.; Spini, D.; Del Curto, B.; Pedeferri, M.; Diamanti, M.V. Water-Based Photocatalytic Sol–Gel TiO2 Coatings: Synthesis and Durability. Catalysts 2023, 13, 494. https://doi.org/10.3390/catal13030494
Bellè U, Spini D, Del Curto B, Pedeferri M, Diamanti MV. Water-Based Photocatalytic Sol–Gel TiO2 Coatings: Synthesis and Durability. Catalysts. 2023; 13(3):494. https://doi.org/10.3390/catal13030494
Chicago/Turabian StyleBellè, Umberto, Daniela Spini, Barbara Del Curto, MariaPia Pedeferri, and Maria Vittoria Diamanti. 2023. "Water-Based Photocatalytic Sol–Gel TiO2 Coatings: Synthesis and Durability" Catalysts 13, no. 3: 494. https://doi.org/10.3390/catal13030494