Colloidal TiO2 Nanorod Films Deposited Using the MAPLE Technique: Role of the Organic Capping and Absence of Characteristic Surface Patterns
Abstract
:1. Introduction
2. Materials and Methods
2.1. Synthesis of Colloidal TiO2 Nanorods
2.1.1. Materials
2.1.2. Synthesis Procedure
2.2. MAPLE Deposition Experiments
2.3. Ultraviolet (UV) Light Irradiation Treatments
2.4. Morphological and Compositional Analyses
2.5. Contact Angle Measurements
2.6. Transmittance and Absorbance
3. Results
3.1. TiO2 Precursor Solutions
3.2. As-Deposited TiO2 NR Films: Morphology and Composition
3.3. Effects of the UV Treatment
3.4. Contact Angle Measurements
3.5. Spectral Characterization
4. Discussion
4.1. Impact of Laser Fluence and Post-Growth UV Treatment on the Stability of the Capping Ligands
4.2. Absence of the Characteristic Surface Morphologies Produced by the Deposition Mechanisms Underlying the MAPLE Technique
4.3. Shape and Phase Stability in Maple Experiments
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sample | Length (nm) | F (mJ/cm2) | Np | WCA (°) | WCAUV (°) |
---|---|---|---|---|---|
NR (15, 25/20,000) | 15 | 25 | 20,000 | 137 ± 4 | 58 ± 6 |
NR (15, 50/15,000) | 15 | 50 | 15,000 | 152 ± 5 | 42 ± 3 |
NR (15, 100/8000) | 15 | 100 | 8000 | 103 ± 10 | 25 ± 9 |
NR (40, 50/15,000) | 40 | 50 | 15,000 | 94 ± 2 | 56 ± 5 |
NR (40, 100/8000) | 40 | 100 | 8000 | 94 ± 5 | 52 ± 6 |
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Cesaria, M.; Taurino, A.; Cozzoli, P.D.; Arima, V.; Caricato, A.P. Colloidal TiO2 Nanorod Films Deposited Using the MAPLE Technique: Role of the Organic Capping and Absence of Characteristic Surface Patterns. Processes 2023, 11, 2591. https://doi.org/10.3390/pr11092591
Cesaria M, Taurino A, Cozzoli PD, Arima V, Caricato AP. Colloidal TiO2 Nanorod Films Deposited Using the MAPLE Technique: Role of the Organic Capping and Absence of Characteristic Surface Patterns. Processes. 2023; 11(9):2591. https://doi.org/10.3390/pr11092591
Chicago/Turabian StyleCesaria, Maura, Antonietta Taurino, Pantaleo Davide Cozzoli, Valentina Arima, and Anna Paola Caricato. 2023. "Colloidal TiO2 Nanorod Films Deposited Using the MAPLE Technique: Role of the Organic Capping and Absence of Characteristic Surface Patterns" Processes 11, no. 9: 2591. https://doi.org/10.3390/pr11092591