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Title: Efficient Nanosecond Photoluminescence from Infrared PbS Quantum Dots Coupled to Plasmonic Nanoantennas

Abstract

Infrared (IR) light sources with high modulation rates are critical components for on-chip optical communications. Lead-based colloidal quantum dots are promising nonepitaxial materials for use in IR light-emitting diodes, but their slow photoluminescence lifetime is a serious limitation. Here we demonstrate coupling of PbS quantum dots to colloidal plasmonic nanoantennas based on film-coupled metal nanocubes, resulting in a dramatic 1300-fold reduction in the emission lifetime from the microsecond to the nanosecond regime. This lifetime reduction is primarily due to a 1100-fold increase in the radiative decay rate owing to the high quantum yield (65%) of the antenna. The short emission lifetime is accompanied by high antenna quantum efficiency and directionality. Lastly, this nonepitaxial platform points toward GHz frequency, electrically modulated, telecommunication wavelength light-emitting diodes and single-photon sources.

Authors:
;  [1];  [2];  [2];  [1];
  1. Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
  2. Department of Electrical and Computer Engineering, University of Nebraska−Lincoln, Lincoln, Nebraska 68588, United States
Publication Date:
Research Org.:
Energy Frontier Research Centers (EFRC) (United States). Center for Excitonics (CE); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1326111
Alternate Identifier(s):
OSTI ID: 1331813
Grant/Contract Number:  
SC0001088
Resource Type:
Journal Article: Published Article
Journal Name:
ACS Photonics
Additional Journal Information:
Journal Name: ACS Photonics Journal Volume: 3 Journal Issue: 10; Journal ID: ISSN 2330-4022
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; plasmonics; IR light sources; Purcell enhancement; quantum dots; nanoantenna; nanocube

Citation Formats

Akselrod, Gleb M., Weidman, Mark C., Li, Ying, Argyropoulos, Christos, Tisdale, William A., and Mikkelsen, Maiken H. Efficient Nanosecond Photoluminescence from Infrared PbS Quantum Dots Coupled to Plasmonic Nanoantennas. United States: N. p., 2016. Web. doi:10.1021/acsphotonics.6b00357.
Akselrod, Gleb M., Weidman, Mark C., Li, Ying, Argyropoulos, Christos, Tisdale, William A., & Mikkelsen, Maiken H. Efficient Nanosecond Photoluminescence from Infrared PbS Quantum Dots Coupled to Plasmonic Nanoantennas. United States. https://doi.org/10.1021/acsphotonics.6b00357
Akselrod, Gleb M., Weidman, Mark C., Li, Ying, Argyropoulos, Christos, Tisdale, William A., and Mikkelsen, Maiken H. 2016. "Efficient Nanosecond Photoluminescence from Infrared PbS Quantum Dots Coupled to Plasmonic Nanoantennas". United States. https://doi.org/10.1021/acsphotonics.6b00357.
@article{osti_1326111,
title = {Efficient Nanosecond Photoluminescence from Infrared PbS Quantum Dots Coupled to Plasmonic Nanoantennas},
author = {Akselrod, Gleb M. and Weidman, Mark C. and Li, Ying and Argyropoulos, Christos and Tisdale, William A. and Mikkelsen, Maiken H.},
abstractNote = {Infrared (IR) light sources with high modulation rates are critical components for on-chip optical communications. Lead-based colloidal quantum dots are promising nonepitaxial materials for use in IR light-emitting diodes, but their slow photoluminescence lifetime is a serious limitation. Here we demonstrate coupling of PbS quantum dots to colloidal plasmonic nanoantennas based on film-coupled metal nanocubes, resulting in a dramatic 1300-fold reduction in the emission lifetime from the microsecond to the nanosecond regime. This lifetime reduction is primarily due to a 1100-fold increase in the radiative decay rate owing to the high quantum yield (65%) of the antenna. The short emission lifetime is accompanied by high antenna quantum efficiency and directionality. Lastly, this nonepitaxial platform points toward GHz frequency, electrically modulated, telecommunication wavelength light-emitting diodes and single-photon sources.},
doi = {10.1021/acsphotonics.6b00357},
url = {https://www.osti.gov/biblio/1326111}, journal = {ACS Photonics},
issn = {2330-4022},
number = 10,
volume = 3,
place = {United States},
year = {Thu Sep 22 00:00:00 EDT 2016},
month = {Thu Sep 22 00:00:00 EDT 2016}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record at https://doi.org/10.1021/acsphotonics.6b00357

Citation Metrics:
Cited by: 62 works
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