A closer look at the physical and optical properties of gold nanostars

An experimental and computational study

T. V. Tsoulos, L. Han, J. Weir, H. L. Xin, Laura Fabris

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A combined experimental and computational study was carried out to design a semi-empirical method to determine the volume, surface area, and extinction coefficients of gold nanostars. The values obtained were confirmed by reconstructing the nanostar 3D topography through high-tilt TEM tomography and introducing the finite elements in COMSOL Multiphysics through which we have also calculated the morphology-dependent extinction coefficient. Doing so, we have, for the first time, modeled the heat losses of a real, experimentally synthesized nanostar, and found the plasmon resonances to be in excellent agreement with those obtained experimentally. We believe that our approach could substantially improve the applicability of this remarkable nanomaterial.

Original languageEnglish
Pages (from-to)3766-3773
Number of pages8
JournalNanoscale
Volume9
Issue number11
DOIs
Publication statusPublished - Mar 21 2017

Fingerprint

Heat losses
Nanostructured materials
Gold
Topography
Tomography
Optical properties
Physical properties
Transmission electron microscopy

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

A closer look at the physical and optical properties of gold nanostars : An experimental and computational study. / Tsoulos, T. V.; Han, L.; Weir, J.; Xin, H. L.; Fabris, Laura.

In: Nanoscale, Vol. 9, No. 11, 21.03.2017, p. 3766-3773.

Research output: Contribution to journalArticle

Tsoulos, T. V. ; Han, L. ; Weir, J. ; Xin, H. L. ; Fabris, Laura. / A closer look at the physical and optical properties of gold nanostars : An experimental and computational study. In: Nanoscale. 2017 ; Vol. 9, No. 11. pp. 3766-3773.
@article{e8ff87bc10284ce798514b48c60eb4bf,
title = "A closer look at the physical and optical properties of gold nanostars: An experimental and computational study",
abstract = "A combined experimental and computational study was carried out to design a semi-empirical method to determine the volume, surface area, and extinction coefficients of gold nanostars. The values obtained were confirmed by reconstructing the nanostar 3D topography through high-tilt TEM tomography and introducing the finite elements in COMSOL Multiphysics through which we have also calculated the morphology-dependent extinction coefficient. Doing so, we have, for the first time, modeled the heat losses of a real, experimentally synthesized nanostar, and found the plasmon resonances to be in excellent agreement with those obtained experimentally. We believe that our approach could substantially improve the applicability of this remarkable nanomaterial.",
author = "Tsoulos, {T. V.} and L. Han and J. Weir and Xin, {H. L.} and Laura Fabris",
year = "2017",
month = "3",
day = "21",
doi = "10.1039/c6nr09091e",
language = "English",
volume = "9",
pages = "3766--3773",
journal = "Nanoscale",
issn = "2040-3364",
publisher = "Royal Society of Chemistry",
number = "11",

}

TY - JOUR

T1 - A closer look at the physical and optical properties of gold nanostars

T2 - An experimental and computational study

AU - Tsoulos, T. V.

AU - Han, L.

AU - Weir, J.

AU - Xin, H. L.

AU - Fabris, Laura

PY - 2017/3/21

Y1 - 2017/3/21

N2 - A combined experimental and computational study was carried out to design a semi-empirical method to determine the volume, surface area, and extinction coefficients of gold nanostars. The values obtained were confirmed by reconstructing the nanostar 3D topography through high-tilt TEM tomography and introducing the finite elements in COMSOL Multiphysics through which we have also calculated the morphology-dependent extinction coefficient. Doing so, we have, for the first time, modeled the heat losses of a real, experimentally synthesized nanostar, and found the plasmon resonances to be in excellent agreement with those obtained experimentally. We believe that our approach could substantially improve the applicability of this remarkable nanomaterial.

AB - A combined experimental and computational study was carried out to design a semi-empirical method to determine the volume, surface area, and extinction coefficients of gold nanostars. The values obtained were confirmed by reconstructing the nanostar 3D topography through high-tilt TEM tomography and introducing the finite elements in COMSOL Multiphysics through which we have also calculated the morphology-dependent extinction coefficient. Doing so, we have, for the first time, modeled the heat losses of a real, experimentally synthesized nanostar, and found the plasmon resonances to be in excellent agreement with those obtained experimentally. We believe that our approach could substantially improve the applicability of this remarkable nanomaterial.

UR - http://www.scopus.com/inward/record.url?scp=85015782027&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85015782027&partnerID=8YFLogxK

U2 - 10.1039/c6nr09091e

DO - 10.1039/c6nr09091e

M3 - Article

VL - 9

SP - 3766

EP - 3773

JO - Nanoscale

JF - Nanoscale

SN - 2040-3364

IS - 11

ER -