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Chlorine-enabled electron doping in solution-synthesized SnSe thermoelectric nanomaterials

  • Guang Han
  • , Srinivas R. Popuri
  • , Heather F. Greer
  • , Lourdes F. Llin
  • , Jan-Willem G. Bos
  • , Wuzong Zhou
  • , Douglas J. Paul
  • , Hervé Ménard
  • , Andrew R. Knox
  • , Andrea Montecucco
  • , Jonathan Siviter
  • , Elena A. Man
  • , Wen-guang Li
  • , Manosh C. Paul
  • , Min Gao
  • , Tracy Sweet
  • , Robert Freer
  • , Feridoon Azough
  • , Hasan Baig
  • , Tapas K. Mallik
  • Duncan H. Gregory

Research output: Contribution to journalArticlepeer-review

Abstract

An aqueous solution method is developed for the facile synthesis of Cl-containing SnSe nanoparticles in 10 g quantities per batch. The particle size and Cl concentration of the nanoparticles can be efficiently tuned as a function of reaction duration. Hot pressing produces n-type Cl-doped SnSe nanostructured compacts with thermoelectric power factors optimized via control of Cl dopant concentration. This approach, combining an energy-efficient solution synthesis with hot pressing, provides a simple, rapid, and low-cost route to high performance n-type SnSe thermoelectric materials.
Original languageEnglish
Article number1602328
Number of pages7
JournalAdvanced Energy Materials
Volume7
Issue number13
Early online date20 Feb 2017
DOIs
Publication statusPublished - 5 Jul 2017

Keywords

  • Tin selenide
  • Synthesis
  • n-type
  • Thermoelectrics
  • Nanomaterials

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