Document Detail

Dynamic catalyst restructuring during carbon nanotube growth.
MedLine Citation:
PMID:  21062086     Owner:  NLM     Status:  PubMed-not-MEDLINE    
We study the restructuring of solid nickel catalyst nanoparticles during carbon nanotube growth by environmental transmission electron microscopy and multiscale modeling. Our molecular dynamics/continuum transport calculations of surface-diffusion-mediated restructuring are in quantitative agreement with the experimentally observed catalyst shape evolutions. The restructuring time scale is determined by reduced Ni diffusion through the stepped Ni-C interface region where the catalyst surface strongly anchors to the growing nanotube.
Michael Moseler; Felipe Cervantes-Sodi; Stephan Hofmann; Gábor Csányi; Andrea C Ferrari
Related Documents :
16090966 - Devil's staircase of incompressible electron states in a nanotube.
11102226 - Phonon density of states of single-wall carbon nanotubes
15469306 - Density functional calculations of the 13c nmr chemical shifts in (9,0) single-walled c...
15943456 - Controlled switching of optical emission energies in semiconducting single-walled carbo...
17723556 - Dynamic mass spectrometer for studies of organic and inorganic molecules.
21953556 - New insights in quantum chemical topology studies using numerical grid-based analyses.
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-11-09
Journal Detail:
Title:  ACS nano     Volume:  4     ISSN:  1936-086X     ISO Abbreviation:  ACS Nano     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-12-28     Completed Date:  2011-03-23     Revised Date:  2011-03-25    
Medline Journal Info:
Nlm Unique ID:  101313589     Medline TA:  ACS Nano     Country:  United States    
Other Details:
Languages:  eng     Pagination:  7587-95     Citation Subset:  -    
Fraunhofer Institute for Mechanics of Material IWM, Freiburg, Germany.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Comment In:
ACS Nano. 2011 Feb 22;5(2):685; author reply 686-7   [PMID:  21338171 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Binding of Mg(2+) and Ca(2+) to palmitic acid and deprotonation of the COOH headgroup studied by vib...
Next Document:  Improved synthesis of (E)-12-nitrooctadec-12-enoic acid, a potent PPAR? activator. Development of a ...