Synthesis and Electronic Transport of Hydrothermally Synthesized p-Type Na-Doped SnSe

Zong Ren Yang, Wei Hao Chen, Chia-Jyi Liu

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4 Citations (Scopus)

Abstract

A series of polycrystalline Sn1−xNaxSe with x = 0.00, 0.02, 0.04 and 0.10 were fabricated using hydrothermal synthesis followed by evacuated-and-encapsulated sintering. The as-fabricated materials were characterized using powder x-ray diffraction and electronic transport. The resulting materials were single phase. Partial replacement of Na for Sn leads to a simultaneous increase of electrical conductivity and thermopower. The x = 0.04 sample has the largest power factor among the series of the samples. Upon partial replacement of Na for Sn, the power factor is significantly enhanced as compared to the undoped SnSe. The maximum ZT value of ∼0.4 was achieved for Sn0.96Na0.04Se at 550 K.

Original languageEnglish
Pages (from-to)2964-2968
Number of pages5
JournalJournal of Electronic Materials
Volume46
Issue number5
DOIs
Publication statusPublished - 2017 May 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Materials Chemistry

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