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Thermoelectric transport at F TCNQ-silicon interface

APL Materials, ISSN: 2166-532X, Vol: 7, Issue: 2
2019
  • 4
    Citations
  • 0
    Usage
  • 12
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    4
    • Citation Indexes
      4
  • Captures
    12

Article Description

Hybrid organic-inorganic materials are among the latest class of materials proposed for thermoelectric applications. The organic-inorganic interface is critical in determining the effective transport properties of the hybrid material. We study the thermoelectric properties of the tetrafluoro-tetracyanoquinodimethane (F TCNQ)-silicon interface. Transfer of electrons from silicon to F TCNQ results in holes trapped within the screening length of the interface that can move parallel to the interface. We measure the response of these trapped charges to applied temperature differential and compare the thermoelectric transport properties of the silicon with and without F TCNQ. The results confirm the presence of interface charges and demonstrate an enhanced interface thermoelectric power factor. These outcomes of this study could be used in designing 3D hybrid structures with closely packed interfaces to replicate a bulk thermoelectric material.

Bibliographic Details

Naiming Liu; Jerrold A. Floro; Mona Zebarjadi; Jonathan Peters; Ashok Ramu; John E. Bowers

AIP Publishing

Materials Science; Engineering

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