Document Detail


Seed concentration control of metal nanowire diameter.
MedLine Citation:
PMID:  23030846     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Gold /silver nanowires of controlled diameter were synthesized from catalytic metal seed particles at the substrate/solution interface. Small seed nanoparticles of three different sizes: ~1 nm (11 gold atoms), ~1.4 nm (~55 gold atoms), and homemade nanoparticles of ~2 nm were used. By varying a single type of seed particle concentration in the growth solution the nanowire diameters and morphology could be controlled, between bundles of ultra-thin nanowires of ~2-3 nm diameter to thicker isolated single nanowires with a mean diameter of ~16 nm. In addition, the catalytic reduction rate leading to nanowire growth was found to be seed size dependent at small seed sizes (< 2 nm). The two types of metallic nanowire films were tested for their performance as transparent electrodes after additional metal deposition for their stabilization and conductivity enhancement. The thin nanowire bundles exhibit superior transparent conductor properties.
Authors:
Daniel Azulai; Elad Cohen; Gil Markovich
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-3
Journal Detail:
Title:  Nano letters     Volume:  -     ISSN:  1530-6992     ISO Abbreviation:  Nano Lett.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101088070     Medline TA:  Nano Lett     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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