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Metallic 1T-WS nanoribbons as highly conductive electrodes for supercapacitors

RSC Advances, ISSN: 2046-2069, Vol: 6, Issue: 54, Page: 48788-48791
2016
  • 75
    Citations
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  • 41
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    75
    • Citation Indexes
      75
  • Captures
    41

Article Description

Layered tungsten disulfide (WS) has attracted great attention because of its high potential for electrochemical energy applications. However, the semiconducting nature of WS with a 2H phase largely hinders its electrochemical performance due to poor electronic conductivity. In this study, we have successfully synthesized a metallic 1T-WS nanoribbon with stable ammonia-ion intercalation as a highly conductive electrode for high-performance supercapacitors. The specific capacitance using the metallic 1T-WS electrode exhibits significant enhancement upto the value of 2813 μF cm. This value is 12 times higher compared to semiconducting 2H-WS. Moreover, the 1T-WS electrode has good stability even under high current scans, which is ascribed to the stable ammonia-ion interaction. The correlation between the 1T-WS structure and its electrochemical performance has also been discussed.

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