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.
Original languageEnglish
Pages (from-to)224-229
JournalChemical Physics Letters
Volume478
Issue number4-6
Early online date6 Aug 2009
DOIs
Publication statusPublished - 27 Aug 2009

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