Bright Mid-Wave Infrared Resonant-Cavity Light-Emitting Diodes Based on Black Phosphorus

Niharika Gupta; Hyungjin Kim; Nima Sefidmooye Azar; Shiekh Zia Uddin; Der Hsien Lien; Kenneth B. Crozier; Ali Javey

doi:10.1021/acs.nanolett.1c04557

Bright Mid-Wave Infrared Resonant-Cavity Light-Emitting Diodes Based on Black Phosphorus

Niharika Gupta, Hyungjin Kim, Nima Sefidmooye Azar, Shiekh Zia Uddin, Der Hsien Lien, Kenneth B. Crozier, Ali Javey

Department of Materials Science and Engineering

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

4 Citations (Scopus)

Abstract

The mid-wave infrared (MWIR) wavelength range plays a central role in a variety of applications, including optical gas sensing, industrial process control, spectroscopy, and infrared (IR) countermeasures. Among the MWIR light sources, light-emitting diodes (LEDs) have the advantages of simple design, room-temperature operation, and low cost. Owing to the low Auger recombination at high carrier densities and direct bandgap of black phosphorus (bP), it can serve as a high quantum efficiency emitting layer in LEDs. In this work, we demonstrate bP-LEDs exhibiting high external quantum efficiencies and wall-plug efficiencies of up to 4.43 and 1.78%, respectively. This is achieved by integrating the device with an Al2O3/Au optical cavity, which enhances the emission efficiency, and a thin transparent conducing oxide [indium tin oxide (ITO)] layer, which reduces the parasitic resistance, both resulting in order of magnitude improvements to performance.

Original language	English
Pages (from-to)	1294-1301
Number of pages	8
Journal	Nano letters
Volume	22
Issue number	3
DOIs	https://doi.org/10.1021/acs.nanolett.1c04557
Publication status	Published - 2022 Feb 9

Bibliographical note

Funding Information:
The work at Berkeley was funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division under Contract DE-AC02-05-CH11231 (EMAT Program KC1201). The work at Melbourne was supported by the Australian Research Council (ARC) Centre of Excellence for Transformative Meta-Optical Systems (Project ID CE200100010) and the ARC Discovery Projects Scheme (DP210103428).

Publisher Copyright:
© 2022 American Chemical Society.

All Science Journal Classification (ASJC) codes

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

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10.1021/acs.nanolett.1c04557

Cite this

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title = "Bright Mid-Wave Infrared Resonant-Cavity Light-Emitting Diodes Based on Black Phosphorus",

abstract = "The mid-wave infrared (MWIR) wavelength range plays a central role in a variety of applications, including optical gas sensing, industrial process control, spectroscopy, and infrared (IR) countermeasures. Among the MWIR light sources, light-emitting diodes (LEDs) have the advantages of simple design, room-temperature operation, and low cost. Owing to the low Auger recombination at high carrier densities and direct bandgap of black phosphorus (bP), it can serve as a high quantum efficiency emitting layer in LEDs. In this work, we demonstrate bP-LEDs exhibiting high external quantum efficiencies and wall-plug efficiencies of up to 4.43 and 1.78%, respectively. This is achieved by integrating the device with an Al2O3/Au optical cavity, which enhances the emission efficiency, and a thin transparent conducing oxide [indium tin oxide (ITO)] layer, which reduces the parasitic resistance, both resulting in order of magnitude improvements to performance.",

author = "Niharika Gupta and Hyungjin Kim and Azar, {Nima Sefidmooye} and Uddin, {Shiekh Zia} and Lien, {Der Hsien} and Crozier, {Kenneth B.} and Ali Javey",

note = "Funding Information: The work at Berkeley was funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division under Contract DE-AC02-05-CH11231 (EMAT Program KC1201). The work at Melbourne was supported by the Australian Research Council (ARC) Centre of Excellence for Transformative Meta-Optical Systems (Project ID CE200100010) and the ARC Discovery Projects Scheme (DP210103428). Publisher Copyright: {\textcopyright} 2022 American Chemical Society.",

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AU - Crozier, Kenneth B.

AU - Javey, Ali

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N2 - The mid-wave infrared (MWIR) wavelength range plays a central role in a variety of applications, including optical gas sensing, industrial process control, spectroscopy, and infrared (IR) countermeasures. Among the MWIR light sources, light-emitting diodes (LEDs) have the advantages of simple design, room-temperature operation, and low cost. Owing to the low Auger recombination at high carrier densities and direct bandgap of black phosphorus (bP), it can serve as a high quantum efficiency emitting layer in LEDs. In this work, we demonstrate bP-LEDs exhibiting high external quantum efficiencies and wall-plug efficiencies of up to 4.43 and 1.78%, respectively. This is achieved by integrating the device with an Al2O3/Au optical cavity, which enhances the emission efficiency, and a thin transparent conducing oxide [indium tin oxide (ITO)] layer, which reduces the parasitic resistance, both resulting in order of magnitude improvements to performance.

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Bright Mid-Wave Infrared Resonant-Cavity Light-Emitting Diodes Based on Black Phosphorus

Abstract

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