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  Photoluminescence of size-separated silicon nanocrystals: Confirmation of quantum confinement

Ledoux, G., Gong, J., Huisken, F., Guillois, O., & Reynaud, C. (2002). Photoluminescence of size-separated silicon nanocrystals: Confirmation of quantum confinement. Applied Physics Letters, 80(25), 4834-4836.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-1777-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-1778-B
Genre: Journal Article

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 Creators:
Ledoux, G., Author
Gong, J.1, Author
Huisken, F.2, Author              
Guillois, O., Author
Reynaud, C., Author
Affiliations:
1Max Planck Society, ou_persistent13              
2Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063285              

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 Abstract: Silicon nanocrystals with diameters between 2.5 and 8 nm were prepared by pulsed CO₂ laser pyrolysis of silane in a gas flow reactor and expanded through a conical nozzle into a high vacuum. Using a fast-spinning molecular-beam chopper, they were size-selectively deposited on dedicated quartz substrates. Finally, the photoluminescence of the silicon nanocrystals and their yield were measured as a function of their size. It was found that the photoluminescence follows very closely the quantum-confinement model. The yield shows a pronounced maximum for sizes between 3 and 4 nm. (C) 2002 American Institute of Physics.

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Language(s): eng - English
 Dates: 2002-06-24
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 13447
ISI: 000176275400050
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Title: Applied Physics Letters
  Alternative Title : Appl. Phys. Lett.
Source Genre: Journal
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Pages: - Volume / Issue: 80 (25) Sequence Number: - Start / End Page: 4834 - 4836 Identifier: ISSN: 0003-6951