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

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

doi:10.1007/s11664-016-5084-2

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

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

Department of Physics

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

A series of polycrystalline Sn_1−xNa_xSe 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 Sn_0.96Na_0.04Se at 550 K.

Original language	English
Pages (from-to)	2964-2968
Number of pages	5
Journal	Journal of Electronic Materials
Volume	46
Issue number	5
DOIs	https://doi.org/10.1007/s11664-016-5084-2
Publication status	Published - 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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10.1007/s11664-016-5084-2

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Yang, Z. R., Chen, W. H., & Liu, C-J. (2017). Synthesis and Electronic Transport of Hydrothermally Synthesized p-Type Na-Doped SnSe. Journal of Electronic Materials, 46(5), 2964-2968. https://doi.org/10.1007/s11664-016-5084-2

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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.",

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