Synergistic Effect in MoS2 Nanosheets–Biochar Nanocomposites with Enhanced Surface Area and Electrical Conductivity for Energy Storage Applications
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Preparation of BC
2.3. Preparation of MoS2/BC NCs
2.4. Characterization Techniques
2.5. Electrochemical Studies Using a Modified Glassy Carbon Electrode (GCE)
3. Results and Discussion
3.1. UV-Vis Spectroscopic Analysis
3.2. Raman Spectroscopic Analysis
3.3. PL Spectroscopic Analysis
3.4. XRD Analysis
3.5. AFM Analysis
3.6. FESEM and EDX Analysis
3.7. Electrochemical Analysis
3.7.1. EIS Analysis
3.7.2. CV Analysis
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Samples | Excitonic Peaks (nm) | |||
---|---|---|---|---|
A | B | C | D | |
Bulk MoS2 | 690 | 632 | 507 (Unresolved single broad peak) | |
Pristine MoS2 NSs | 681 | 620 | 468 | 405 |
MoS2/BC1 | 679 | 619 | 466 | 403 |
MoS2/BC2 | 679 | 619 | 457 | 402 |
MoS2/BC3 | 674 | 612 | 453 | 393 |
Samples | Rct (Ω) | Rs (Ω) |
---|---|---|
Bulk MoS2 | 2.05 | 14.03 |
Pristine MoS2 NSs | 1.80 | 13.95 |
Bulk BC | 1.54 | 11.65 |
Pristine BC | 1.30 | 11.59 |
MoS2/BC1 | 1.19 | 11.48 |
MoS2/BC2 | 1.01 | 10.71 |
MoS2/BC3 | 0.7 | 8.06 |
Scan Rate (mVs−1) | Specific Capacitance (F/g) | ||
---|---|---|---|
Pristine MoS2 NSs | Pristine BC | MoS2/BC3 NC | |
100 | 14.89 | 21.56 | 22.8 |
80 | 15.83 | 20.83 | 23.5 |
60 | 17.03 | 21.85 | 25.5 |
40 | 19.44 | 25.0 | 28.5 |
20 | 25.56 | 31.11 | 34 |
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Pandiselvi, T.; Praveena, C.; Sridevi, V.; Venmathi Maran, B.A.; Kimura, M. Synergistic Effect in MoS2 Nanosheets–Biochar Nanocomposites with Enhanced Surface Area and Electrical Conductivity for Energy Storage Applications. J. Compos. Sci. 2024, 8, 357. https://doi.org/10.3390/jcs8090357
Pandiselvi T, Praveena C, Sridevi V, Venmathi Maran BA, Kimura M. Synergistic Effect in MoS2 Nanosheets–Biochar Nanocomposites with Enhanced Surface Area and Electrical Conductivity for Energy Storage Applications. Journal of Composites Science. 2024; 8(9):357. https://doi.org/10.3390/jcs8090357
Chicago/Turabian StylePandiselvi, Thangaraj, Chithiraiselvan Praveena, Venkatachalam Sridevi, Balu Alagar Venmathi Maran, and Masanari Kimura. 2024. "Synergistic Effect in MoS2 Nanosheets–Biochar Nanocomposites with Enhanced Surface Area and Electrical Conductivity for Energy Storage Applications" Journal of Composites Science 8, no. 9: 357. https://doi.org/10.3390/jcs8090357