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:
-
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- 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}
}
Web of Science
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