| Solution based synthesis of simple fcc Si nano-crystals under ambient conditions. | |
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MedLine Citation:
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PMID: 23321908 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We demonstrate for the first time that simple face-centered cubic (fcc) silicon nano-crystals can be produced by a solution based bottom-up synthesis route under ambient conditions. Simple fcc Si nano-crystals (2-7 nm) were prepared at room temperature by using sodium cyclopentadienide as a reducing agent for silicon tetrachloride. Photoluminescence emission at 550 nm was observed for the fcc silicon nano-crystals upon excitation at 340 nm, indicating that fcc Si nano-crystals were exhibiting direct bandgap like semiconductor properties with very fast radiative recombination rates. The new synthesis route makes possible the production and study of simple fcc polymorphs of Si nano-crystals with an easy alteration of surface termination groups. |
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Authors:
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Mustafa H Balcı; Ragnhild Sæterli; Jerome Maria; Mikael Lindgren; Randi Holmestad; Tor Grande; Mari-Ann Einarsrud |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-16 |
Journal Detail:
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Title: Dalton transactions (Cambridge, England : 2003) Volume: - ISSN: 1477-9234 ISO Abbreviation: Dalton Trans Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101176026 Medline TA: Dalton Trans Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Materials Science and Engineering, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway. mariann.einarsrud@ntnu.no. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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