Monitoring the Surface Energy Change of Nanoparticles in Functionalization Reactions with the NanoTraPPED Method
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Synthesis of Silica Nanoparticles
2.3. Synthesis of NP-L, NP-LCu and NP-LCo
2.4. Synthesis of NP-N3
2.5. Pickering Emulsion Preparation and Polymerization
3. Results
3.1. Functionalization and Surface Reactions on Silica Nanoparticles
3.2. Pickering Emulsion Formation and Polymerization
3.3. Measuring the Contact Angles—The NanoTraPPED Method
4. Discussion
4.1. Calculating the Surface Energy and Its Polar and Disperse Components
4.2. Monitoring the Change in the Surface Energy of NPs with NanoTraPPED
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Nanoparticle | γpNP/water (mN/m) | γdNP/water (mN/m) | γNP/water (mN/m) |
---|---|---|---|
* NP-OH | 1.05 | 0.01 | 1.06 |
** NP-Gly | 0.66 | 0.1 | 0.76 |
NP-N3 | 0.21 | 0.02 | 0.23 |
* NP-NH2 | 0.13 | 0.00 | 0.13 |
NP-L | 0.78 | 0.22 | 1.00 |
NP-LCu | 1.16 | 0.08 | 1.24 |
NP-LCo | 0.81 | 0.52 | 1.33 |
Nanoparticle | γpNP (mN/m) | γdNP (mN/m) | γ NP (mN/m) |
---|---|---|---|
* NP-OH | 25.40 | 33.92 | 59.32 |
** NP-Gly | 26.02 | 51.72 | 77.74 |
NP-N3 | 27.43 | 53.47 | 80.90 |
*NP-NH2 | 41.96 | 25.40 | 67.36 |
NP-L | 59.86 | 30.83 | 90.69 |
NP-LCu | 62.96 | 28.67 | 91.63 |
NP-LCo | 60.18 | 33.62 | 93.80 |
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Honciuc, A.; Negru, O.-I. Monitoring the Surface Energy Change of Nanoparticles in Functionalization Reactions with the NanoTraPPED Method. Nanomaterials 2023, 13, 1246. https://doi.org/10.3390/nano13071246
Honciuc A, Negru O-I. Monitoring the Surface Energy Change of Nanoparticles in Functionalization Reactions with the NanoTraPPED Method. Nanomaterials. 2023; 13(7):1246. https://doi.org/10.3390/nano13071246
Chicago/Turabian StyleHonciuc, Andrei, and Oana-Iuliana Negru. 2023. "Monitoring the Surface Energy Change of Nanoparticles in Functionalization Reactions with the NanoTraPPED Method" Nanomaterials 13, no. 7: 1246. https://doi.org/10.3390/nano13071246