Bitte benutzen Sie diese Referenz, um auf diese Ressource zu verweisen: doi:10.22028/D291-28994
Volltext verfügbar? / Dokumentlieferung
Titel: On the geometric stability of an inorganic nanowire and an organic ligand shell
VerfasserIn: Bettscheider, Simon
Kraus, Tobias
Fleck, Norman A.
Sprache: Englisch
Titel: Journal of the mechanics and physics of solids
Bandnummer: 123
Startseite: 3
Endseite: 19
Verlag/Plattform: Elsevier
Erscheinungsjahr: 2019
Dokumenttyp: Journalartikel / Zeitschriftenartikel
Abstract: The break-up of a nanowire with an organic ligand shell into discrete droplets is analysed in terms of the Rayleigh-Plateau instability. Explicit account is taken of the effect of the organic ligand shell upon the energetics and kinetics of surface diffusion in the wire. Both an initial perturbation analysis and a full numerical analysis of the evolution in wire morphology are conducted, and the governing non-dimensional groups are identified. The perturbation analysis is remarkably accurate in obtaining the main features of the instability, including the pinch-off time and the resulting diameter of the droplets. It is conjectured that the surface energy of the wire and surrounding organic shell depends upon both the mean and deviatoric invariants of the curvature tensor. Such a behaviour allows for the possibility of a stable nanowire such that the Rayleigh-Plateau instability is not energetically favourable. A stability map illustrates this. Maps are also constructed for the final droplet size and pinch-off time as a function of two non-dimensional groups that characterise the energetics and kinetics of diffusion in the presence of the organic shell. These maps can guide future experimental activity on the stabilisation of nanowires by organic ligand shells.
DOI der Erstveröffentlichung: 10.1016/j.jmps.2018.07.017
URL der Erstveröffentlichung: https://www.sciencedirect.com/science/article/pii/S0022509618305830
Link zu diesem Datensatz: hdl:20.500.11880/27932
http://dx.doi.org/10.22028/D291-28994
ISSN: 1873-4782
0022-5096
Datum des Eintrags: 27-Sep-2019
Fakultät: NT - Naturwissenschaftlich- Technische Fakultät
Fachrichtung: NT - Chemie
Professur: NT - Prof. Dr. Tobias Kraus
Sammlung:SciDok - Der Wissenschaftsserver der Universität des Saarlandes

Dateien zu diesem Datensatz:
Es gibt keine Dateien zu dieser Ressource.


Alle Ressourcen in diesem Repository sind urheberrechtlich geschützt.