Preparation of Polycarbonate-ZnO Nanocomposite Films: Surface Investigation after UV Irradiation
Abstract
:1. Introduction
2. Experimental
2.1. Materials and Methods
2.2. Synthesis of PC-ZnO Nanocomposite Films
3. Results and Discussion
3.1. XRD Characterization of ZnO NPs, and PC-ZnO Films
3.2. X-ray Photoelectron Spectroscopy (XPS) Analysis
3.3. AFM Measurements
3.4. Surface Wettability
3.5. Microhardness
3.6. Photoluminescence Studies
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Sample | 2θ | hkl | dhkl (Å) | D (nm) | Lattice Parameters | ||
---|---|---|---|---|---|---|---|
c (Å) | a (Å) | c/a | |||||
Pure ZnO | 31.77 34.42 | 100 002 | 2.814 2.603 | 36 | 5.207 | 3.250 | 1.602 |
PC-ZnO (10 wt.%) | 31.70 | 100 | 2.812 | 29 | 5.189 | 3.255 | 1.594 |
34.53 | 002 | 2.594 | |||||
PC-ZnO (20 wt.%) | 31.90 34.50 | 100 002 | 2.29 2.60 | 29 | 5.202 | 3.248 | 1.601 |
PC-ZnO (30 wt.%) | 32.04 | 100 | 2.79 | 37 | 5.164 | 3.222 | 1.602 |
34.70 | 002 | 2.58 |
Sample | C | O | O/C |
---|---|---|---|
PC | 69.50% | 30.50% | 0.48 |
PC + UV | 50.69% | 49.31% | 0.97 |
PC-ZnO (30 wt.%) | 71.70% | 28.30% | 0.40 |
PC-ZnO (30 wt.%) + UV | 42.67% | 57.33% | 1.34 |
Sample | C–C/C–H | C–O | C=O | O–C=O |
---|---|---|---|---|
PC | 90.00% | 7.80% | 2.20% | - |
PC + UV | 72.65% | 9.64% | 11.40% | 6.31% |
PC-ZnO (30 wt.%) | 87.40% | 3.80% | 8.80% | - |
PC-ZnO (30 wt.%) + UV | 61.97% | 10.80% | 15.15% | 12.08% |
Sample | C=O | C–O |
---|---|---|
PC | 63.26% | 36.74% |
PC + UV | 58.00% | 42.00% |
PC-ZnO (30 wt.%) | 63.84% | 36.16% |
PC-ZnO (30 wt.%) + UV | 50.60% | 49.39% |
PC-ZnO (wt.%) | Before UV Irradiation | After UV Irradiation | ||
---|---|---|---|---|
Sa (nm) | Sq (nm) | Sa (nm) | Sq (nm) | |
0 | 1.7 | 2.9 | 2.7 | 5.0 |
10 | 29.5 | 43.1 | 44.5 | 64.4 |
20 | 54.6 | 80.3 | 68.1 | 92.0 |
30 | 71.1 | 93.3 | 79.5 | 100.1 |
Sample | WCA (°) |
---|---|
PC, PC-ZnO | 91, 90 |
PC, PC-ZnO 4 h irradiation | 58, 44 |
PC, PC-ZnO 8 h irradiation | 41, 28 |
PC, PC-ZnO 10 h irradiation | 32, 25 |
PC, PC-ZnO 12 h irradiation | 31, 20 |
PC, PC-ZnO 15 h irradiation | 27, 17 |
Sample | Microhardness (HV) |
---|---|
PC | 11.5 |
PC-ZnO (20 wt.%) | 12.7 |
PC-ZnO (30 wt.%) | 14.33 |
PC + UV | 11.4 |
PC-ZnO (20 wt.%) + UV | 13.7 |
PC-ZnO (30 wt.%) + UV | 20.13 |
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Jaleh, B.; Hamzehi, S.; Sepahvand, R.; Azizian, S.; Eslamipanah, M.; Golbedaghi, R.; Meidanchi, A.; Fausto, R. Preparation of Polycarbonate-ZnO Nanocomposite Films: Surface Investigation after UV Irradiation. Molecules 2022, 27, 4448. https://doi.org/10.3390/molecules27144448
Jaleh B, Hamzehi S, Sepahvand R, Azizian S, Eslamipanah M, Golbedaghi R, Meidanchi A, Fausto R. Preparation of Polycarbonate-ZnO Nanocomposite Films: Surface Investigation after UV Irradiation. Molecules. 2022; 27(14):4448. https://doi.org/10.3390/molecules27144448
Chicago/Turabian StyleJaleh, Babak, Sara Hamzehi, Reza Sepahvand, Saeid Azizian, Mahtab Eslamipanah, Reza Golbedaghi, Alireza Meidanchi, and Rui Fausto. 2022. "Preparation of Polycarbonate-ZnO Nanocomposite Films: Surface Investigation after UV Irradiation" Molecules 27, no. 14: 4448. https://doi.org/10.3390/molecules27144448