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. MallikDuncan H. Gregory

Research output: Contribution to journalArticlepeer-review

68 Citations (Scopus)
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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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