| Enhanced thermopower in PbSe nanocrystal quantum dot superlattices. | |
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MedLine Citation:
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PMID: 18597536 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We examine the effect of strong three-dimensional quantum confinement on the thermopower and electrical conductivity of PbSe nanocrystal superlattices. We show that for comparable carrier concentrations PbSe nanocrystal superlattices exhibit a substantial thermopower enhancement of several hundred microvolts per Kelvin relative to bulk PbSe. We also find that thermopower increases monotonically as the nanocrystal size decreases due to changes in carrier concentration. Lastly, we demonstrate that thermopower of PbSe nanocrystal solids can be tailored by charge-transfer doping. |
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Authors:
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Robert Y Wang; Joseph P Feser; Jong-Soo Lee; Dmitri V Talapin; Rachel Segalman; Arun Majumdar |
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Publication Detail:
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Type: Journal Article Date: 2008-07-03 |
Journal Detail:
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Title: Nano letters Volume: 8 ISSN: 1530-6984 ISO Abbreviation: Nano Lett. Publication Date: 2008 Aug |
Date Detail:
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Created Date: 2008-08-15 Completed Date: 2008-09-18 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101088070 Medline TA: Nano Lett Country: United States |
Other Details:
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Languages: eng Pagination: 2283-8 Citation Subset: - |
Affiliation:
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Department of Mechanical Engineering, University of California, Berkeley, California 94720, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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