Chlorine-Enabled Electron Doping in Solution-Synthesized SnSe Thermoelectric Nanomaterials

Guang Han, Srinivas Popuri, Heather Greer, Lourdes Llin, Jan-Willem Bos, Wuzong Zhou, Douglas Paul, Hervé Ménard, Andrew Knox, Andrea Montecucco, Jonathan Siviter, Elena Man, Wen-guang Li, Manosh Paul, Min Gao, Tracy Sweet, Robert Freer, Feridoon Azough, Hasan Baig, Tapas MallickDuncan Gregory

    Research output: Contribution to journalArticlepeer-review


    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
    JournalAdvanced Energy Materials
    Early online date20 Feb 2017
    Publication statusPublished - 5 Jul 2017


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