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Effects of Crystal Shape on the Energy Levels of Zero-Dimensional PbS Quantum Dots

descriptionPublicationkeyboard_double_arrow_right Article 24 May 2002 English Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 88 (issn: 0031-9007, eissn: 1079-7114, Copyright policy )
Authors: Hens, Z.; Vanmaekelbergh, D.A.M.; Stoffels, E.J.A.J.; Kempen, H.;

doi: 10.1103/physrevlett.88.236803

pmid: 12059388

Effects of Crystal Shape on the Energy Levels of Zero-Dimensional PbS Quantum Dots

Abstract

Nanometer-size PbS quantum dots have been made by electrodeposition on a Au(111) substrate. The deposited nanocrystals have a flattened cubic shape. We probed the single-electron energy-level spectrum of individual quantum dots by scanning tunneling spectroscopy and found that it deviates strongly from that of spherical PbS quantum dots. The measured energy-level spectrum is successfully explained by considering strong confinement in a flattened cubic box.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
73
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Top 10%
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