Synthesis of Nearly Monodisperse Embedded Nanoparticles by Separating Nucleation and Growth in Ion Implantation

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Synthesis of Nearly Monodisperse Embedded Nanoparticles by Separating Nucleation and Growth in Ion Implantation

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Title: Synthesis of Nearly Monodisperse Embedded Nanoparticles by Separating Nucleation and Growth in Ion Implantation
Author: White, C. Woody; Aziz, Michael; Roorda, Sjoerd; MoberlyChan, Warren J.; Haynes, Tony E.; Ramaswamy, Vidya

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Citation: Ramaswamy, Vidya, Tony E. Haynes, C. Woody White, Warren J. MoberlyChan, Sjoerd Roorda, and Michael J. Aziz. 2005. Synthesis of nearly monodisperse embedded nanoparticles by separating nucleation and growth in ion implantation. Nano Letters 5(2): 373-377.
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Abstract: We investigate the formation of nanoparticles of Au in SiO2 by multiple ion implantation steps and intermediate anneals to isolate nucleation and growth, thereby producing a narrow particle size distribution. We discuss the effects of varying the initial nucleation dose and the growth temperature and establish guidelines for synthesizing nanoparticles with improved size uniformity. By this method, we have obtained a standard deviation of 16% on an average diameter of 1.68 nm, compared to 28% when no attempt is made to isolate nucleation and growth.
Published Version: http://dx.doi.org/10.1021/nl048077z
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:2795439

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  • FAS Scholarly Articles [7219]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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