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

Shivani Sharma | Zendy; Sonu Kumar | Zendy; Udo Schwingenschlögl | Zendy

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

Author(s) -

Shivani Sharma,

Sonu Kumar,

Udo Schwingenschlögl

Publication year - 2017

Publication title -

physical review applied

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.883

H-Index - 75

eISSN - 2331-7043

pISSN - 2331-7019

DOI - 10.1103/physrevapplied.8.044013

Subject(s) - semiclassical physics , thermoelectric effect , phonon , thermoelectric materials , thermal conductivity , materials science , figure of merit , condensed matter physics , electronics , graphene , boltzmann constant , engineering physics , monolayer , optoelectronics , nanotechnology , physics , electrical engineering , quantum mechanics , quantum , engineering , composite material

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

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