TY - JOUR
T1 - Tuning Electrogenerated Chemiluminescence Intensity Enhancement Using Hexagonal Lattice Arrays of Gold Nanodisks
AU - Heiderscheit, Thomas S.
AU - Oikawa, Shunpei
AU - Sanders, Stephen
AU - Minamimoto, Hiro
AU - Searles, Emily K.
AU - Landes, Christy F.
AU - Murakoshi, Kei
AU - Manjavacas, Alejandro
AU - Link, Stephan
N1 - Funding Information:
This work was primarily supported by the U.S. Department of Energy, Office of Science, Basic Energy Sciences, CPIMS Program under Award #DE-339SC0016534. We also acknowledge funding from the Robert A. Welch Foundation (Grant C-1787 to C.F.L. and Grant C-1664 to S.L.) We would like to thank support from the U.S. National Science Foundation (Grant ECCS-1710697) and Ministerio de Ciencia, Innovación y Universidades of Spain (Grant TEM-FLU PID2019-109502GA-I00), as well as the UNM Center for Advanced Research Computing, for providing the part of the computational resources used in this work. We also thank Grants-in-Aid for Scientific Research (JP 16H06506) from MEXT and the Photoexcitonix Project of Hokkaido University.
Publisher Copyright:
©
PY - 2021/3/18
Y1 - 2021/3/18
N2 - Electrogenerated chemiluminescence (ECL) microscopy shows promise as a technique for mapping chemical reactions on single nanoparticles. The technique's spatial resolution is limited by the quantum yield of the emission and the diffusive nature of the ECL process. To improve signal intensity, ECL dyes have been coupled with plasmonic nanoparticles, which act as nanoantennas. Here, we characterize the optical properties of hexagonal arrays of gold nanodisks and how they impact the enhancement of ECL from the coreaction of tris(2,2′-bipyridyl)dichlororuthenium(II) hexahydrate and tripropylamine. We find that varying the lattice spacing results in a 23-fold enhancement of ECL intensity because of increased dye-array near-field coupling as modeled using finite element method simulations.
AB - Electrogenerated chemiluminescence (ECL) microscopy shows promise as a technique for mapping chemical reactions on single nanoparticles. The technique's spatial resolution is limited by the quantum yield of the emission and the diffusive nature of the ECL process. To improve signal intensity, ECL dyes have been coupled with plasmonic nanoparticles, which act as nanoantennas. Here, we characterize the optical properties of hexagonal arrays of gold nanodisks and how they impact the enhancement of ECL from the coreaction of tris(2,2′-bipyridyl)dichlororuthenium(II) hexahydrate and tripropylamine. We find that varying the lattice spacing results in a 23-fold enhancement of ECL intensity because of increased dye-array near-field coupling as modeled using finite element method simulations.
UR - https://www.scopus.com/pages/publications/85103228953
UR - https://www.scopus.com/pages/publications/85103228953#tab=citedBy
U2 - 10.1021/acs.jpclett.0c03564
DO - 10.1021/acs.jpclett.0c03564
M3 - Article
C2 - 33667339
AN - SCOPUS:85103228953
SN - 1948-7185
VL - 12
SP - 2516
EP - 2522
JO - Journal of Physical Chemistry Letters
JF - Journal of Physical Chemistry Letters
IS - 10
ER -