Thermoelectric Modulation of Neat Ti3C2Tx MXenes by Finely Regulating the Stacking of Nanosheets
2024

Thermoelectric Modulation of Ti3C2Tx MXenes

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Author Information

Author(s): Junhui Tang, Renyang Zhu, Ya-Hsin Pai, Yan Zhao, Xu Chen, Ziqi Liang

Primary Institution: Fudan University

Hypothesis

Can the stacking of MXene nanosheets be finely regulated to enhance their thermoelectric properties?

Conclusion

The study found that using deionized water and increasing centrifugal speed significantly improved the thermoelectric performance of Ti3C2Tx MXenes.

Supporting Evidence

  • Deionized water was found to be superior for achieving tightly stacked MXene sheets.
  • Elevating centrifugal speed increased both the Seebeck coefficient and electrical conductivity.
  • Nanocomposites significantly enhanced the Seebeck coefficient but reduced electrical conductivity.

Takeaway

This study shows that how you stack tiny sheets of a material called MXene can make it work better for turning heat into electricity.

Methodology

The study involved synthesizing Ti3C2Tx MXene films using different dispersing solvents and varying centrifugal speeds to analyze their thermoelectric properties.

Limitations

The study primarily focused on neat MXene films and did not explore a wide range of composite materials.

Digital Object Identifier (DOI)

10.1007/s40820-024-01594-z

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