Arsenene and Antimonene: Two-Dimensional Materials with High Thermoelectric Figures of Merit

S. Sharma, S. R. Sarath Kumar, Udo Schwingenschlögl

Research output: Contribution to journalArticlepeer-review

63 Scopus citations

Abstract

We study the thermoelectric properties of As and Sb monolayers (arsenene and antimonene) using density-functional theory and the semiclassical Boltzmann transport approach. The materials show large band gaps combined with low lattice thermal conductivities. Specifically, the small phonon frequencies and group velocities of antimonene lead to an excellent thermoelectric response at room temperature. We show that n-type doping enhances the figure of merit.
Original languageEnglish (US)
JournalPhysical Review Applied
Volume8
Issue number4
DOIs
StatePublished - Oct 25 2017

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