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Synthesis of Hexagonal-Shaped SnO2 Nanocrystals and SnO2@C Nanocomposites for Electrochemical Redox Supercapacitors
Abstract
To realize a suitable supercapacitor nanomaterial, the recently developed technique of reaction under autogenic pressure at elevated temperature has been employed by us to synthesize SnO 2 hexagonal nanocrystals and SnO 2 @C nanocomposites. The synthesis at different temperatures (viz. 500, 600, and 700 °C) yields three different composites. Characterization of these composites by various methods confirms the structural (XRD, Raman, FT-IR) and nanoparticulate (TEM, HRTEM) nature of the synthesized materials. TEM studies including HRTEM reveal that all the synthesized SnO 2 and SnO 2 @C nanomaterials are highly crystalline with hexagonal shape. Cyclic voltammetric studies carried out to examine the capacitance of SnO 2 @C in 1 M H 2 SO 4 show that the nanocomposite prepared at 700 °C has a maximum specific capacitance of 37.8 F/g at a scan rate of 5 mV/s.
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Cited by
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Shao, Y., Liu, J., Wang, Y., & Lin, Y. (2009) · J. Mater. Chem. · doi:10.1039/b808370c · Cited by 660
Sun, J., Wu, C., Sun, X., Hu, H., Zhi, C., Hou, L., & Yuan, C. (2017) · Journal of Materials Chemistry A · doi:10.1039/c7ta00932a · Cited by 361
Justin, P., Meher, S. K., & Rao, G. R. (2010) · The Journal of Physical Chemistry C · doi:10.1021/jp9097155 · Cited by 310
Yuan, A., Wang, X., Wang, Y., & Hu, J. (2009) · Electrochimica Acta · doi:10.1016/j.electacta.2008.08.057 · Cited by 97
Metadata
- Authors
- Selvan, R. K., Perelshtein, I., Perkas, N., & Gedanken, A.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-01-18
- Volume
- 112
- Issue
- 6
- Pages
- 1825-1830
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2083604393
- Cited by
- 247
- References
- 0
- FWCI
- 3.93
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Synthesis of Hexagonal-Shaped SnO2 Nanocrystals and SnO2@C Nanocomposites for Electrochemical Redox Supercapacitors. https://app.cochat.ai/papers/10.1021/jp076995q
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- Selvan, R. K., Perelshtein, I., Perkas, N., & Gedanken, A. (2008). Synthesis of Hexagonal-Shaped SnO2 Nanocrystals and SnO2@C Nanocomposites for Electrochemical Redox Supercapacitors. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp076995q
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