Fabrication of CdSe/ZnS quantum dots thin film by electrohydrodynamics atomization technique for solution based flexible hybrid OLED application

Muhammad Zubair; Maria Mustafa; Kangtaek Lee; Cheolsang Yoon; Yang Hoi Doh; Kyung Hyun Choi

doi:10.1016/j.cej.2014.05.067

Fabrication of CdSe/ZnS quantum dots thin film by electrohydrodynamics atomization technique for solution based flexible hybrid OLED application

Muhammad Zubair, Maria Mustafa, Kangtaek Lee, Cheolsang Yoon, Yang Hoi Doh, Kyung Hyun Choi

Department of Chemical and Biomolecular Engineering

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

36 Citations (Scopus)

Abstract

The synthesis and novel fabrication of quantum dot layers has been performed by using electrohydrodynamics atomization technique. The surface, optical and electrical properties of the fabricated films have been characterized by FE-SEM, TEM, spectroscopes and semiconductor device analyzer. The CdSe/ZnS core/shell quantum dots have been synthesized and dispersed in toluene and DMSO as cosolvents. The sprayed CdSe/ZnS quantum dots have been employed as emissive layer. The conjugate polymers of PEDOT:PSS and MEH-PPV are used as the hole and electron transport layers. The thickness of emissive layer for hybrid device has been optimized by changing the standoff distance of electrohydrodynamics atomization system. The flexible hybrid device with optimized thickness of quantum dots showed red light at 634nm wavelength in visible range with 165mA/cm² current density and 2.2 lux of luminance at 15V.

Original language	English
Pages (from-to)	325-331
Number of pages	7
Journal	Chemical Engineering Journal
Volume	253
DOIs	https://doi.org/10.1016/j.cej.2014.05.067
Publication status	Published - 2014 Oct 1

Bibliographical note

Funding Information:
This study is supported by the Technology Innovation Program (No. 10041596 , Development of core technology for TFT free active matrix addressing color electronic paper with day and night usage) funded by the Ministry of Knowledge Economy (MKE, Korea).

All Science Journal Classification (ASJC) codes

General Chemistry
Environmental Chemistry
General Chemical Engineering
Industrial and Manufacturing Engineering

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10.1016/j.cej.2014.05.067

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title = "Fabrication of CdSe/ZnS quantum dots thin film by electrohydrodynamics atomization technique for solution based flexible hybrid OLED application",

abstract = "The synthesis and novel fabrication of quantum dot layers has been performed by using electrohydrodynamics atomization technique. The surface, optical and electrical properties of the fabricated films have been characterized by FE-SEM, TEM, spectroscopes and semiconductor device analyzer. The CdSe/ZnS core/shell quantum dots have been synthesized and dispersed in toluene and DMSO as cosolvents. The sprayed CdSe/ZnS quantum dots have been employed as emissive layer. The conjugate polymers of PEDOT:PSS and MEH-PPV are used as the hole and electron transport layers. The thickness of emissive layer for hybrid device has been optimized by changing the standoff distance of electrohydrodynamics atomization system. The flexible hybrid device with optimized thickness of quantum dots showed red light at 634nm wavelength in visible range with 165mA/cm2 current density and 2.2 lux of luminance at 15V.",

keywords = "Conjugate polymers, Electrohydrodynamics atomization, Flexible, Hybrid light emitting diode, Quantum dots",

author = "Muhammad Zubair and Maria Mustafa and Kangtaek Lee and Cheolsang Yoon and Doh, {Yang Hoi} and Choi, {Kyung Hyun}",

note = "Funding Information: This study is supported by the Technology Innovation Program (No. 10041596 , Development of core technology for TFT free active matrix addressing color electronic paper with day and night usage) funded by the Ministry of Knowledge Economy (MKE, Korea). ",

year = "2014",

month = oct,

day = "1",

doi = "10.1016/j.cej.2014.05.067",

language = "English",

volume = "253",

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journal = "Chemical Engineering Journal",

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AU - Zubair, Muhammad

AU - Mustafa, Maria

AU - Lee, Kangtaek

AU - Yoon, Cheolsang

AU - Doh, Yang Hoi

AU - Choi, Kyung Hyun

N1 - Funding Information: This study is supported by the Technology Innovation Program (No. 10041596 , Development of core technology for TFT free active matrix addressing color electronic paper with day and night usage) funded by the Ministry of Knowledge Economy (MKE, Korea).

PY - 2014/10/1

Y1 - 2014/10/1

N2 - The synthesis and novel fabrication of quantum dot layers has been performed by using electrohydrodynamics atomization technique. The surface, optical and electrical properties of the fabricated films have been characterized by FE-SEM, TEM, spectroscopes and semiconductor device analyzer. The CdSe/ZnS core/shell quantum dots have been synthesized and dispersed in toluene and DMSO as cosolvents. The sprayed CdSe/ZnS quantum dots have been employed as emissive layer. The conjugate polymers of PEDOT:PSS and MEH-PPV are used as the hole and electron transport layers. The thickness of emissive layer for hybrid device has been optimized by changing the standoff distance of electrohydrodynamics atomization system. The flexible hybrid device with optimized thickness of quantum dots showed red light at 634nm wavelength in visible range with 165mA/cm2 current density and 2.2 lux of luminance at 15V.

AB - The synthesis and novel fabrication of quantum dot layers has been performed by using electrohydrodynamics atomization technique. The surface, optical and electrical properties of the fabricated films have been characterized by FE-SEM, TEM, spectroscopes and semiconductor device analyzer. The CdSe/ZnS core/shell quantum dots have been synthesized and dispersed in toluene and DMSO as cosolvents. The sprayed CdSe/ZnS quantum dots have been employed as emissive layer. The conjugate polymers of PEDOT:PSS and MEH-PPV are used as the hole and electron transport layers. The thickness of emissive layer for hybrid device has been optimized by changing the standoff distance of electrohydrodynamics atomization system. The flexible hybrid device with optimized thickness of quantum dots showed red light at 634nm wavelength in visible range with 165mA/cm2 current density and 2.2 lux of luminance at 15V.

KW - Conjugate polymers

KW - Electrohydrodynamics atomization

KW - Flexible

KW - Hybrid light emitting diode

KW - Quantum dots

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Fabrication of CdSe/ZnS quantum dots thin film by electrohydrodynamics atomization technique for solution based flexible hybrid OLED application

Abstract

Bibliographical note

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