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  Nanostructured films composed of silicon nanocrystals

Ledoux, G., Amans, D., Gong, J., Huisken, F., Cichos, F., & Martin, J. (2002). Nanostructured films composed of silicon nanocrystals. Materials Science & Engineering C-Biomimetic and Supramolecular Systems, 19(1-2 Sp. Iss. SI), 215-218.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-17A7-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-17A8-E
Genre: Journal Article

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 Creators:
Ledoux, G., Author
Amans, D., Author
Gong, J.1, Author
Huisken, F.2, Author              
Cichos, F., Author
Martin, J., Author
Affiliations:
1Max Planck Society, ou_persistent13              
2Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063285              

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Free keywords: silicon nanocrystals; structuration; atomic force microscopy; laser scanning confocal microscopy
 Abstract: Crystalline silicon nanoparticles were synthesized by laser pyrolysis of silane in a flow reactor. Afterwards the nanocrystals were extracted through a nozzle and shaped as a well-collimated molecular beam propagating under high vacuum. The nanocrystals produced in this way show strong photoluminescence (PL) that can be clearly ascribed to quantum confinement effects. In order to produce structured films being composed of these nanocrystals, we used the directivity of the beam and interposed a mask that defines the pattern. The crystals were then deposited on a substrate placed directly behind the mask. To check the resolution that can be obtained by these means, we have taken holey carbon films normally used for transmission electron microscopy. We have been able to create structures with lateral dimensions down to 30 nm. In another experiment, we have produced regular patterns of micrometer-sized spots being composed of Si nanocrystals. The photoluminescence behaviour of these structured films has been studied by laser scanning confocal microscopy. (C) 2002 Elsevier Science B.V. All rights reserved.

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Language(s): eng - English
 Dates: 2002-01-02
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 13458
ISI: 000173080700045
 Degree: -

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Title: Materials Science & Engineering C-Biomimetic and Supramolecular Systems
  Alternative Title : Mater. Sci. Eng. C-Biomimetic Supramol. Syst.
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 19 (1-2 Sp. Iss. SI) Sequence Number: - Start / End Page: 215 - 218 Identifier: ISSN: 0928-4931