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

Guang Han, Srinivasa Popuri, Heather F. Greer, Lourdes F. Llin, Jan-Willem G Bos, Wuzong Z. 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. MallickDuncan H. Gregory

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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
Early online date20 Feb 2017
DOIs
Publication statusE-pub ahead of print - 20 Feb 2017

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    Han, G., Popuri, S., Greer, H. F., Llin, L. F., Bos, J-W. G., Zhou, W. Z., Paul, D. J., Ménard, H., Knox, A. R., Montecucco, A., Siviter, J., Man, E. A., Li, W. G., Paul, M. C., Gao, M., Sweet, T., Freer, R., Azough, F., Baig, H., ... Gregory, D. H. (2017). Chlorine-Enabled Electron Doping in Solution-Synthesized SnSe Thermoelectric Nanomaterials. Advanced Energy Materials, [1602328]. https://doi.org/10.1002/aenm.201602328