Modification of Graphitic Carbon Nitride with Hydrogen Peroxide
Abstract
:1. Introduction
2. Materials and Methods
2.1. Chemicals
2.2. Preparation of Bulk and Exfoliated GCN
2.3. Treatment of GCN Nanomaterials with Hydrogen Peroxide
2.4. Elemental Analysis
2.5. UV-Vis Spectrometry
2.6. Photoluminescence Spectrometry
2.7. FTIR Spectrometry
2.8. X-Ray Diffraction Analysis
2.9. XPS Analysis
2.10. Physisorption of Nitrogen
2.11. SEM Analysis
2.12. TEM Analysis
2.13. Photocatalytic Experiments
2.14. Statistic Calculations
3. Results and Discussion
3.1. Elemental Analysis
3.2. UV-Vis Spectrometry
3.3. Photoluminescence Spectrometry
3.4. X-Ray Diffraction Analysis
3.5. FTIR Spectrometry
3.6. XPS Study
3.7. SEM and TEM Analysis
3.8. Photocatalytic Activity
3.9. Measurement of Zeta Potentials
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Nanomaterial | C (wt.%) | H (wt.%) | N (wt.%) | C/N | O (wt.%) |
---|---|---|---|---|---|
Bulk | 34.93 | 1.72 | 61.47 | 0.568 | 1.88 |
Bulk 10 % H2O2 | 34.11 | 1.87 | 60.25 | 0.566 | 3.77 |
Bulk 20 % H2O2 | 33.21 | 1.92 | 58.86 | 0.564 | 6.01 |
Bulk 30 % H2O2 | 34.25 | 1.60 | 60.53 | 0.566 | 3.62 |
Ex1 | 34.14 | 1.79 | 60.30 | 0.566 | 3.77 |
Ex1 10 % H2O2 | 33.24 | 2.05 | 59.25 | 0.561 | 5.46 |
Ex1 20 % H2O2 | 34.13 | 1.73 | 60.54 | 0.564 | 3.60 |
Ex1 30 % H2O2 | 33.76 | 1.77 | 59.65 | 0.566 | 4.82 |
Ex2 | 34.22 | 1.79 | 60.57 | 0.565 | 3.42 |
Ex2 10 % H2O2 | 33.16 | 2.29 | 59.11 | 0.561 | 5.44 |
Ex2 20 % H2O2 | 33.59 | 1.86 | 59.50 | 0.565 | 5.05 |
Ex2 30 % H2O2 | 33.56 | 1.84 | 59.46 | 0.564 | 5.14 |
Ex3 | 33.85 | 1.83 | 59.97 | 0.564 | 4.35 |
Ex3 10 % H2O2 | 32.97 | 2.07 | 58.90 | 0.560 | 6.06 |
Ex3 20 % H2O2 | 33.03 | 1.85 | 58.60 | 0.564 | 6.52 |
Ex3 30 % H2O2 | 33.76 | 1.82 | 59.76 | 0.565 | 4.66 |
Nanomaterial | Eg (eV) | SSA (m2 g−1) | Nanomaterial | Eg (eV) | SSA (m2 g−1) |
---|---|---|---|---|---|
Bulk | 2.65 | 12 | Ex2 | 2.73 | 93 |
Bulk 10 % H2O2 | 2.59 | 11 | Ex2 10 % H2O2 | 2.61 | 107 |
Bulk 20 % H2O2 | 2.59 | 9 | Ex2 20 % H2O2 | 2.59 | 113 |
Bulk 30 % H2O2 | 2.59 | 14 | Ex2 30 % H2O2 | 2.57 | 101 |
Ex1 | 2.71 | 58 | Ex3 | 2.75 | 143 |
Ex1 10 % H2O2 | 2.60 | 83 | Ex3 10 % H2O2 | 2.65 | 117 |
Ex1 20 % H2O2 | 2.60 | 93 | Ex3 20 % H2O2 | 2.64 | 116 |
Ex1 30 % H2O2 | 2.56 | 98 | Ex3 30 % H2O2 | 2.61 | 104 |
Nanomaterial | 2 Theta (deg) | FWHM (deg) | L(002) (nm) | d(002) (nm) |
---|---|---|---|---|
Bulk | 31.84 | 1.31 | 7.0 | 0.326 |
Bulk 10 % H2O2 | 32.11 | 1.32 | 7.0 | 0.323 |
Bulk 20 % H2O2 | 32.10 | 1.55 | 6.0 | 0.324 |
Bulk 30 % H2O2 | 32.60 | 1.37 | 6.7 | 0.319 |
Ex1 | 31.88 | 1.32 | 7.0 | 0.326 |
Ex1 10 % H2O2 | 31.99 | 1.05 | 8.8 | 0.325 |
Ex1 20 % H2O2 | 32.19 | 1.25 | 7.4 | 0.323 |
Ex1 30 % H2O2 | 32.60 | 1.21 | 7.6 | 0.319 |
Ex2 | 31.84 | 1.36 | 6.8 | 0.326 |
Ex2 10 % H2O2 | 32.05 | 1.01 | 9.1 | 0.324 |
Ex2 20 % H2O2 | 32.25 | 1.25 | 7.4 | 0.322 |
Ex2 30 % H2O2 | 32.62 | 1.13 | 8.2 | 0.319 |
Ex3 | 31.88 | 1.29 | 7.2 | 0.326 |
Ex3 10 % H2O2 | 32.07 | 1.01 | 9.1 | 0.324 |
Ex3 20 % H2O2 | 32.09 | 1.23 | 7.5 | 0.324 |
Ex3 30 % H2O2 | 32.63 | 1.16 | 8.0 | 0.318 |
Nanomaterial | p.z.c. | Nanomaterial | p.z.c. |
---|---|---|---|
Bulk | 3.51 | Ex3 | 3.53 |
Bulk 10 % H2O2 | 3.60 | Ex3 10 % H2O2 | 3.79 |
Bulk 20 % H2O2 | 3.76 | Ex3 20 % H2O2 | 3.85 |
Bulk 30 % H2O2 | 3.80 | Ex3 30 % H2O2 | 4.08 |
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Praus, P.; Smýkalová, A.; Foniok, K.; Matějka, V. Modification of Graphitic Carbon Nitride with Hydrogen Peroxide. Nanomaterials 2020, 10, 1747. https://doi.org/10.3390/nano10091747
Praus P, Smýkalová A, Foniok K, Matějka V. Modification of Graphitic Carbon Nitride with Hydrogen Peroxide. Nanomaterials. 2020; 10(9):1747. https://doi.org/10.3390/nano10091747
Chicago/Turabian StylePraus, Petr, Aneta Smýkalová, Kryštof Foniok, and Vlastimil Matějka. 2020. "Modification of Graphitic Carbon Nitride with Hydrogen Peroxide" Nanomaterials 10, no. 9: 1747. https://doi.org/10.3390/nano10091747