Hybrid Composites of Quantum Dots, Monolayer WSe2, and Ag Nanodisks for White Light-Emitting Diodes

Chiao-Yun Chang; Cheng-Li Yu; Chen-An Lin; Hsiang-Ting Lin; Andrew Boyi Lee; Zheng-Zhe Chen; Li-Syuan Lu; Wen-Hao Chang; Hao-Chung Kuo; Min-Hsiung Shih

doi:10.1021/acsanm.0c01227

Hybrid Composites of Quantum Dots, Monolayer WSe2, and Ag Nanodisks for White Light-Emitting Diodes

Chiao-Yun Chang, Cheng-Li Yu, Chen-An Lin, Hsiang-Ting Lin, Andrew Boyi Lee, Zheng-Zhe Chen, Li-Syuan Lu, Wen-Hao Chang, Hao-Chung Kuo, Min-Hsiung Shih^*

^*Corresponding author for this work

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

10 Scopus citations

Abstract

We investigated hybrid zero-dimensional core-shell CdSe/ZnS quantum dot (QD)/two-dimensional monolayer WSe2 semiconductors with an Ag nanodisk (ND) for manipulating plasmonic-enhanced photoluminescence (PL) and color conversion efficiency. The absorption spectrum of the local surface plasmon resonance (LSPR) effectively overlaps with that of QDs or monolayer WSe2 to considerably enhance PL. The broad absorption spectrum of the LSPR simultaneously overlapped with the emission spectrum of QDs and the absorption spectrum of excitons in WSe2 to enhance the color conversion efficiency. The highest efficiency of color conversion from QDs to WSe2 with Ag ND was 53%. In the future, hybrid QD/transition metal dichalcogenide light emitters could be further integrated with GaN-based white light-emitting diodes to manipulate the color temperature and expand the color gamut to develop a miniature white light-emitting diode.

Original language	English
Pages (from-to)	6855-6862
Number of pages	8
Journal	ACS Applied Nano Materials
Volume	3
Issue number	7
DOIs	https://doi.org/10.1021/acsanm.0c01227
State	Published - 24 Jul 2020

Keywords

color conversion
Light emitter
local surface plasmon resonance
quantum dots
transition metal dichalcogenides

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10.1021/acsanm.0c01227

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title = "Hybrid Composites of Quantum Dots, Monolayer WSe2, and Ag Nanodisks for White Light-Emitting Diodes",

abstract = "We investigated hybrid zero-dimensional core-shell CdSe/ZnS quantum dot (QD)/two-dimensional monolayer WSe2 semiconductors with an Ag nanodisk (ND) for manipulating plasmonic-enhanced photoluminescence (PL) and color conversion efficiency. The absorption spectrum of the local surface plasmon resonance (LSPR) effectively overlaps with that of QDs or monolayer WSe2 to considerably enhance PL. The broad absorption spectrum of the LSPR simultaneously overlapped with the emission spectrum of QDs and the absorption spectrum of excitons in WSe2 to enhance the color conversion efficiency. The highest efficiency of color conversion from QDs to WSe2 with Ag ND was 53%. In the future, hybrid QD/transition metal dichalcogenide light emitters could be further integrated with GaN-based white light-emitting diodes to manipulate the color temperature and expand the color gamut to develop a miniature white light-emitting diode.",

keywords = "color conversion, Light emitter, local surface plasmon resonance, quantum dots, transition metal dichalcogenides",

author = "Chiao-Yun Chang and Cheng-Li Yu and Chen-An Lin and Hsiang-Ting Lin and Lee, {Andrew Boyi} and Zheng-Zhe Chen and Li-Syuan Lu and Wen-Hao Chang and Hao-Chung Kuo and Min-Hsiung Shih",

year = "2020",

month = jul,

day = "24",

doi = "10.1021/acsanm.0c01227",

language = "English",

volume = "3",

pages = "6855--6862",

journal = "ACS Applied Nano Materials",

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publisher = "American Chemical Society",

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TY - JOUR

T1 - Hybrid Composites of Quantum Dots, Monolayer WSe2, and Ag Nanodisks for White Light-Emitting Diodes

AU - Chang, Chiao-Yun

AU - Yu, Cheng-Li

AU - Lin, Chen-An

AU - Lin, Hsiang-Ting

AU - Lee, Andrew Boyi

AU - Chen, Zheng-Zhe

AU - Lu, Li-Syuan

AU - Chang, Wen-Hao

AU - Kuo, Hao-Chung

AU - Shih, Min-Hsiung

PY - 2020/7/24

Y1 - 2020/7/24

N2 - We investigated hybrid zero-dimensional core-shell CdSe/ZnS quantum dot (QD)/two-dimensional monolayer WSe2 semiconductors with an Ag nanodisk (ND) for manipulating plasmonic-enhanced photoluminescence (PL) and color conversion efficiency. The absorption spectrum of the local surface plasmon resonance (LSPR) effectively overlaps with that of QDs or monolayer WSe2 to considerably enhance PL. The broad absorption spectrum of the LSPR simultaneously overlapped with the emission spectrum of QDs and the absorption spectrum of excitons in WSe2 to enhance the color conversion efficiency. The highest efficiency of color conversion from QDs to WSe2 with Ag ND was 53%. In the future, hybrid QD/transition metal dichalcogenide light emitters could be further integrated with GaN-based white light-emitting diodes to manipulate the color temperature and expand the color gamut to develop a miniature white light-emitting diode.

AB - We investigated hybrid zero-dimensional core-shell CdSe/ZnS quantum dot (QD)/two-dimensional monolayer WSe2 semiconductors with an Ag nanodisk (ND) for manipulating plasmonic-enhanced photoluminescence (PL) and color conversion efficiency. The absorption spectrum of the local surface plasmon resonance (LSPR) effectively overlaps with that of QDs or monolayer WSe2 to considerably enhance PL. The broad absorption spectrum of the LSPR simultaneously overlapped with the emission spectrum of QDs and the absorption spectrum of excitons in WSe2 to enhance the color conversion efficiency. The highest efficiency of color conversion from QDs to WSe2 with Ag ND was 53%. In the future, hybrid QD/transition metal dichalcogenide light emitters could be further integrated with GaN-based white light-emitting diodes to manipulate the color temperature and expand the color gamut to develop a miniature white light-emitting diode.

KW - color conversion

KW - Light emitter

KW - local surface plasmon resonance

KW - quantum dots

KW - transition metal dichalcogenides

UR - http://www.scopus.com/inward/record.url?scp=85091026719&partnerID=8YFLogxK

U2 - 10.1021/acsanm.0c01227

DO - 10.1021/acsanm.0c01227

M3 - Article

SN - 2574-0970

VL - 3

SP - 6855

EP - 6862

JO - ACS Applied Nano Materials

JF - ACS Applied Nano Materials

IS - 7

ER -

Hybrid Composites of Quantum Dots, Monolayer WSe2, and Ag Nanodisks for White Light-Emitting Diodes

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Keywords

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