Understanding Digestive Ripening of Ligand-Stabilized, Charged Metal Nanoparticles

Tutkimustuotos: Lehtiartikkeli

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Understanding Digestive Ripening of Ligand-Stabilized, Charged Metal Nanoparticles. / Manzanares, José A.; Peljo, Pekka; Girault, Hubert H.

julkaisussa: Journal of Physical Chemistry C, Vuosikerta 121, Nro 24, 22.06.2017, s. 13405-13411.

Tutkimustuotos: Lehtiartikkeli

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Manzanares, José A. ; Peljo, Pekka ; Girault, Hubert H. / Understanding Digestive Ripening of Ligand-Stabilized, Charged Metal Nanoparticles. Julkaisussa: Journal of Physical Chemistry C. 2017 ; Vuosikerta 121, Nro 24. Sivut 13405-13411.

Bibtex - Lataa

@article{006871084f254ec883b34dd405fb9779,
title = "Understanding Digestive Ripening of Ligand-Stabilized, Charged Metal Nanoparticles",
abstract = "Most syntheses of thiolate-protected metal nanoparticles (NPs) include a thermochemical step in which the as-prepared, polydisperse NPs are transformed to a narrower size distribution in a poorly understood process known as digestive ripening (DR). Previous theoretical approaches considered either surface and electrostatic contributions or surface and ligand-binding contributions. We show that the three contributions are needed to obtain theoretical predictions in agreement with experimental observations. Although statistical thermodynamics does not clarify mechanistic details, it certainly provides valuable insights on the DR process. Remarkably, a relatively simple theory with no fitting parameters satisfactorily explains the roles of the metal:ligand ratio, the NP charge, the relative permittivity of the solvent, the ripening temperature, the binding energy, and the ligand chain length.",
author = "Manzanares, {Jos{\'e} A.} and Pekka Peljo and Girault, {Hubert H.}",
year = "2017",
month = "6",
day = "22",
doi = "10.1021/acs.jpcc.7b04234",
language = "English",
volume = "121",
pages = "13405--13411",
journal = "Journal of Physical Chemistry C",
issn = "1932-7447",
publisher = "AMERICAN CHEMICAL SOCIETY",
number = "24",

}

RIS - Lataa

TY - JOUR

T1 - Understanding Digestive Ripening of Ligand-Stabilized, Charged Metal Nanoparticles

AU - Manzanares, José A.

AU - Peljo, Pekka

AU - Girault, Hubert H.

PY - 2017/6/22

Y1 - 2017/6/22

N2 - Most syntheses of thiolate-protected metal nanoparticles (NPs) include a thermochemical step in which the as-prepared, polydisperse NPs are transformed to a narrower size distribution in a poorly understood process known as digestive ripening (DR). Previous theoretical approaches considered either surface and electrostatic contributions or surface and ligand-binding contributions. We show that the three contributions are needed to obtain theoretical predictions in agreement with experimental observations. Although statistical thermodynamics does not clarify mechanistic details, it certainly provides valuable insights on the DR process. Remarkably, a relatively simple theory with no fitting parameters satisfactorily explains the roles of the metal:ligand ratio, the NP charge, the relative permittivity of the solvent, the ripening temperature, the binding energy, and the ligand chain length.

AB - Most syntheses of thiolate-protected metal nanoparticles (NPs) include a thermochemical step in which the as-prepared, polydisperse NPs are transformed to a narrower size distribution in a poorly understood process known as digestive ripening (DR). Previous theoretical approaches considered either surface and electrostatic contributions or surface and ligand-binding contributions. We show that the three contributions are needed to obtain theoretical predictions in agreement with experimental observations. Although statistical thermodynamics does not clarify mechanistic details, it certainly provides valuable insights on the DR process. Remarkably, a relatively simple theory with no fitting parameters satisfactorily explains the roles of the metal:ligand ratio, the NP charge, the relative permittivity of the solvent, the ripening temperature, the binding energy, and the ligand chain length.

UR - http://www.scopus.com/inward/record.url?scp=85021658949&partnerID=8YFLogxK

U2 - 10.1021/acs.jpcc.7b04234

DO - 10.1021/acs.jpcc.7b04234

M3 - Article

VL - 121

SP - 13405

EP - 13411

JO - Journal of Physical Chemistry C

JF - Journal of Physical Chemistry C

SN - 1932-7447

IS - 24

ER -

ID: 31513193