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- W2911714734 abstract "Thermoelectric (TE) devices enable robust solid-state conversion of waste heat to electricity but their applications are still limited by relatively modest efficiency. Power factor controls the TE energy conversion efficiency of a material. A higher power factor also helps to increase the passive or electronic cooling ability. Single-layer (SL) 2-dimensional (2D) materials have been analytically shown to have higher power factors [1]. In this work, we extend our 3D model to simulate quantum transport and capture energy filtering in 2D SL $text{MoS}_{2}$ that can improve power factor. Energy relaxation and quantum effects from periodic spatially varying potential barriers are modeled in the Wigner-Rode formalism. Our simulations show an increase in power factor in both cosine- and square-shaped barriers with the height of the potential barrier, resulting in over 30% power factor enhancement. This improvement in TE efficiency helps in the development of efficient waste-heat scavenging, body-heat-powered wearables, thermal sensors, and electronic cooling." @default.
- W2911714734 created "2019-02-21" @default.
- W2911714734 creator A5015731212 @default.
- W2911714734 creator A5019085934 @default.
- W2911714734 date "2018-07-01" @default.
- W2911714734 modified "2023-10-16" @default.
- W2911714734 title "Improving the Thermoelectric Power Factor in 2D Single-Layer MoS<inf>2</inf> Using Periodic Potentials" @default.
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- W2911714734 doi "https://doi.org/10.1109/nano.2018.8626285" @default.
- W2911714734 hasPublicationYear "2018" @default.
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