Synthesis and Characterization of 2D-WS2 Incorporated Polyaniline Nanocomposites as Photo Catalyst for Methylene Blue Degradation
Abstract
:1. Introduction
2. Experimental Section
2.1. Materials
2.2. Preparation of PANI Nanotubes
2.3. Preparation of WS2-PANI Nanocomposite
2.4. Characterisation Techniques
2.5. Measurement of Photocatalytic Activities
3. Results
3.1. Morphological Analysis of Nanocomposites
3.2. BET Analysis
3.3. XRD Analysis
3.4. FTIR Analysis
3.5. Photocatalytic Degradation of MB under UV Irradiation
4. Mechanism of Photodegradation
5. Reproducibility of the Photocatalysts
Comparison of Photocatalytic Efficiencies
6. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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BET Analysis | ||||
---|---|---|---|---|
S.No. | Material | BET Surface Area (m2g−1) | Pore Size Å | Pore Volume cm3/g |
1 | WS2 Nanosheets | 34 | 85 | 0.07 |
2 | PANI Nanotubes | 30 | 152 | 0.07 |
3 | WS2-PANI-1 | 32 | 173 | 0.12 |
4 | WS2-PANI-2 | 33 | 177 | 0.13 |
5 | WS2-PANI-5 | 36 | 210 | 0.19 |
Photocatalyst | Model Dye | Conc. of Dye (mgL−1) | Amount of Catalyst (mg/mL) | % Degradation | Degradation Time (min.) | Source of Light | Ref. |
---|---|---|---|---|---|---|---|
Graphene/ZnS | Methylene Blue | 10 | 0.2 | 95 | 180 | UV | [26] |
Chitosan/PANI/Co3O4 | Methylene Blue | 10 | 0.3 | 88 | 180 | UV | [12] |
PANI/TiO2/SiO2 membrane | Methyl Orange | 1.5 | - | 87 | 90 | Visible light | [44] |
PANI/ZnO | Methylene Blue | 3.2 | 0.4 | 99 | 300 | Sunlight | [45] |
TiO2-PANI/Cork | Methyl Orange | 15 | 1 | 95 | 210 | Natural sunlight | [46] |
PANI/SrTiO3 | Methylene Blue | 10 | 0.3 | 97 | 90 | Visible light | [10] |
Urachin like CuCo2O4 | Methyl Orange | 10 | 0.6 | 100 | 240 | Sunlight | [47] |
Hollow CoFe2O4 –PANI nanofibers | Methyl Orange | 20 | 0.2 | 85 | 120 | LED | [48] |
rGO–TiO2, | Methylene Blue | 10 | 0.125 | 100 | 180 | Sunlight | [49] |
PANI/WS2-5 | Methylene Blue | 10 | 0.2 | 99.05 | 90 | UV | This work |
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Shahabuddin, S.; Mehmood, S.; Ahmad, I.; Sridewi, N. Synthesis and Characterization of 2D-WS2 Incorporated Polyaniline Nanocomposites as Photo Catalyst for Methylene Blue Degradation. Nanomaterials 2022, 12, 2090. https://doi.org/10.3390/nano12122090
Shahabuddin S, Mehmood S, Ahmad I, Sridewi N. Synthesis and Characterization of 2D-WS2 Incorporated Polyaniline Nanocomposites as Photo Catalyst for Methylene Blue Degradation. Nanomaterials. 2022; 12(12):2090. https://doi.org/10.3390/nano12122090
Chicago/Turabian StyleShahabuddin, Syed, Shahid Mehmood, Irfan Ahmad, and Nanthini Sridewi. 2022. "Synthesis and Characterization of 2D-WS2 Incorporated Polyaniline Nanocomposites as Photo Catalyst for Methylene Blue Degradation" Nanomaterials 12, no. 12: 2090. https://doi.org/10.3390/nano12122090