Plasmon-Mediated Two-Photon Photoluminescence-Detected Circular Dichroism in Gold Nanosphere Assemblies

Jeremy W. Jarrett; Tian Zhao; Jeffrey S. Johnson; Xiaoying Liu; Paul F. Nealey; Richard A. Vaia; Kenneth L. Knappenberger

doi:10.1021/acs.jpclett.5b02621

Plasmon-Mediated Two-Photon Photoluminescence-Detected Circular Dichroism in Gold Nanosphere Assemblies

Jeremy W. Jarrett, Tian Zhao, Jeffrey S. Johnson, Xiaoying Liu, Paul F. Nealey, Richard A. Vaia, Kenneth L. Knappenberger

Chemistry

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

We report plasmon-mediated two-photon photoluminescence (TPPL)-detected circular dichroism (CD) from colloidal metal nanoparticle assemblies. Two classes of solid gold nanosphere (SGN) dimers - heterodimers and homodimers - were examined using polarization-resolved TPPL, second harmonic generation (SHG), and one-photon photoluminescence (OPPL). Unambiguous CD was detected in both the TPPL and SHG signals, and the magnitudes of the CD responses in these measurements showed agreement for individual nanostructures. Heterodimers gave larger CD responses (average TPPL-CDR = 0.62 ± 0.33; average SHG-CDR = 0.51 ± 0.21) than homodimers (average TPPL-CDR = 0.19 ± 0.04; average SHG-CDR = 0.18 ± 0.06). OPPL-CD was not detected for either structure. Analysis of dimer emission properties suggested the CD responses were determined by properties of the one-photon-resonant mode excited by the laser. Average TPPL signals were (4.3 ± 0.6)× larger than those for SHG. Because signal amplitude is a primary determinant for spatial accuracies and precisions obtained from optical microscopy, CD contrast generated from plasmon-mediated TPPL, which we report for the first time, can extend the suite of super-resolution imaging techniques.

Original language	English (US)
Pages (from-to)	765-770
Number of pages	6
Journal	Journal of Physical Chemistry Letters
Volume	7
Issue number	5
DOIs	https://doi.org/10.1021/acs.jpclett.5b02621
State	Published - Mar 3 2016

All Science Journal Classification (ASJC) codes

Materials Science(all)
Physical and Theoretical Chemistry

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title = "Plasmon-Mediated Two-Photon Photoluminescence-Detected Circular Dichroism in Gold Nanosphere Assemblies",

abstract = "We report plasmon-mediated two-photon photoluminescence (TPPL)-detected circular dichroism (CD) from colloidal metal nanoparticle assemblies. Two classes of solid gold nanosphere (SGN) dimers - heterodimers and homodimers - were examined using polarization-resolved TPPL, second harmonic generation (SHG), and one-photon photoluminescence (OPPL). Unambiguous CD was detected in both the TPPL and SHG signals, and the magnitudes of the CD responses in these measurements showed agreement for individual nanostructures. Heterodimers gave larger CD responses (average TPPL-CDR = 0.62 ± 0.33; average SHG-CDR = 0.51 ± 0.21) than homodimers (average TPPL-CDR = 0.19 ± 0.04; average SHG-CDR = 0.18 ± 0.06). OPPL-CD was not detected for either structure. Analysis of dimer emission properties suggested the CD responses were determined by properties of the one-photon-resonant mode excited by the laser. Average TPPL signals were (4.3 ± 0.6)× larger than those for SHG. Because signal amplitude is a primary determinant for spatial accuracies and precisions obtained from optical microscopy, CD contrast generated from plasmon-mediated TPPL, which we report for the first time, can extend the suite of super-resolution imaging techniques.",

author = "Jarrett, {Jeremy W.} and Tian Zhao and Johnson, {Jeffrey S.} and Xiaoying Liu and Nealey, {Paul F.} and Vaia, {Richard A.} and Knappenberger, {Kenneth L.}",

note = "Funding Information: This research was supported by a grant from the Air Force Office of Scientific Research, Grant Number FA9550-15-1-0114. Publisher Copyright: {\textcopyright} 2016 American Chemical Society.",

year = "2016",

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T1 - Plasmon-Mediated Two-Photon Photoluminescence-Detected Circular Dichroism in Gold Nanosphere Assemblies

AU - Jarrett, Jeremy W.

AU - Zhao, Tian

AU - Johnson, Jeffrey S.

AU - Liu, Xiaoying

AU - Nealey, Paul F.

AU - Vaia, Richard A.

AU - Knappenberger, Kenneth L.

PY - 2016/3/3

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AB - We report plasmon-mediated two-photon photoluminescence (TPPL)-detected circular dichroism (CD) from colloidal metal nanoparticle assemblies. Two classes of solid gold nanosphere (SGN) dimers - heterodimers and homodimers - were examined using polarization-resolved TPPL, second harmonic generation (SHG), and one-photon photoluminescence (OPPL). Unambiguous CD was detected in both the TPPL and SHG signals, and the magnitudes of the CD responses in these measurements showed agreement for individual nanostructures. Heterodimers gave larger CD responses (average TPPL-CDR = 0.62 ± 0.33; average SHG-CDR = 0.51 ± 0.21) than homodimers (average TPPL-CDR = 0.19 ± 0.04; average SHG-CDR = 0.18 ± 0.06). OPPL-CD was not detected for either structure. Analysis of dimer emission properties suggested the CD responses were determined by properties of the one-photon-resonant mode excited by the laser. Average TPPL signals were (4.3 ± 0.6)× larger than those for SHG. Because signal amplitude is a primary determinant for spatial accuracies and precisions obtained from optical microscopy, CD contrast generated from plasmon-mediated TPPL, which we report for the first time, can extend the suite of super-resolution imaging techniques.

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Plasmon-Mediated Two-Photon Photoluminescence-Detected Circular Dichroism in Gold Nanosphere Assemblies

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