Photosensitive self-assembled nanoarchitectures containing surfactant-free Si nanocrystals produced by laser fragmentation in water

V Svrcek, M Kondo, K Kalia, D Mariotti

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

We report on a rapid and scalable method for the self-assembly of networks of photosensitive silicon nanocrystal (Si-nc) micrograin produced by nanosecond laser fragmentation in water. Electrical conductivity through the long range (> 200 mu m) self-assembled luminescent Si-nc based networks is shown. The process forms stable nanoarchitectures which are compatible with subsequent plasma and heat treatments allowing for the deposition of carbon adatoms on the self-assembled structure. This strategy is environmental-friendly and could be efficiently used to control the complex interactions at the Si-ncs surface promoting the growth of specific nanostructures that in turn would enable the formation of long-ranged assemblies. (C) 2009 Elsevier B. V. All rights reserved.
LanguageEnglish
Pages224-229
JournalChemical Physics Letters
Volume478
Issue number4-6
Early online date6 Aug 2009
DOIs
Publication statusPublished - 27 Aug 2009

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Silicon
Surface-Active Agents
Nanocrystals
nanocrystals
fragmentation
surfactants
Adatoms
Water
Lasers
silicon
Self assembly
assemblies
water
adatoms
lasers
self assembly
Nanostructures
heat treatment
Carbon
Heat treatment

Cite this

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title = "Photosensitive self-assembled nanoarchitectures containing surfactant-free Si nanocrystals produced by laser fragmentation in water",
abstract = "We report on a rapid and scalable method for the self-assembly of networks of photosensitive silicon nanocrystal (Si-nc) micrograin produced by nanosecond laser fragmentation in water. Electrical conductivity through the long range (> 200 mu m) self-assembled luminescent Si-nc based networks is shown. The process forms stable nanoarchitectures which are compatible with subsequent plasma and heat treatments allowing for the deposition of carbon adatoms on the self-assembled structure. This strategy is environmental-friendly and could be efficiently used to control the complex interactions at the Si-ncs surface promoting the growth of specific nanostructures that in turn would enable the formation of long-ranged assemblies. (C) 2009 Elsevier B. V. All rights reserved.",
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Photosensitive self-assembled nanoarchitectures containing surfactant-free Si nanocrystals produced by laser fragmentation in water. / Svrcek, V; Kondo, M; Kalia, K; Mariotti, D.

In: Chemical Physics Letters, Vol. 478, No. 4-6, 27.08.2009, p. 224-229.

Research output: Contribution to journalArticle

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AU - Svrcek, V

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AU - Kalia, K

AU - Mariotti, D

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Y1 - 2009/8/27

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