Real-time selective detection of 2-chloroethyl ethyl sulfide (2-CEES) using an Al-doped ZnO quantum dot sensor coupled with a packed column for gas chromatography

Jun Ho Lee; Hwaebong Jung; Ran Yoo; Yunji Park; Hyun sook Lee; Yong Sahm Choe; Wooyoung Lee

doi:10.1016/j.snb.2018.12.144

Real-time selective detection of 2-chloroethyl ethyl sulfide (2-CEES) using an Al-doped ZnO quantum dot sensor coupled with a packed column for gas chromatography

Jun Ho Lee, Hwaebong Jung, Ran Yoo, Yunji Park, Hyun sook Lee, Yong Sahm Choe, Wooyoung Lee

Department of Materials Science and Engineering

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

19 Citations (Scopus)

Abstract

We report a new portable chemical warfare agent analyzer for miniaturized gas chromatography (mini-GC), comprising a packed column and hydrothermally synthesized Al-doped ZnO quantum dots (AZO QDs). This device uses a small volume of the target gas (1 ml) without pre-concentration and can be used to detect 2-chloroethyl ethyl sulfide (2-CEES) gas, which is a mustard gas simulant, over a wide concentration range. The AZO QD (˜5 nm) sensor exhibited an outstanding sensing response (R) of 5,393 in detecting 20 ppm of 2-CEES; this performance is superior to those of other previously reported 2-CEES sensors based on semiconducting metal oxides. By optimizing the length of the packed column, we successfully decreased the retention time of 2-CEES to ˜150 s. More importantly, the manufactured mini-GC device can be used to selectively detect a small amount of target gas from other gases such as NH₃, NO, and CO. We demonstrated the excellent detection performance of the device for the real-time selective detection of 2-CEES.

Original language	English
Pages (from-to)	444-450
Number of pages	7
Journal	Sensors and Actuators, B: Chemical
Volume	284
DOIs	https://doi.org/10.1016/j.snb.2018.12.144
Publication status	Published - 2019 Apr 1

Bibliographical note

Funding Information:
This work was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF), and it was funded by the Ministry of Science, ICT & Future Planning ( NRF-2017M3A9F1052297 ) and the Medium and Large Complex Technology Commercialization Project through the Commercializations Promotion Agency for R&D Outcomes funded by the Ministry of Science and ICT .

Publisher Copyright:
© 2018

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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10.1016/j.snb.2018.12.144

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title = "Real-time selective detection of 2-chloroethyl ethyl sulfide (2-CEES) using an Al-doped ZnO quantum dot sensor coupled with a packed column for gas chromatography",

abstract = "We report a new portable chemical warfare agent analyzer for miniaturized gas chromatography (mini-GC), comprising a packed column and hydrothermally synthesized Al-doped ZnO quantum dots (AZO QDs). This device uses a small volume of the target gas (1 ml) without pre-concentration and can be used to detect 2-chloroethyl ethyl sulfide (2-CEES) gas, which is a mustard gas simulant, over a wide concentration range. The AZO QD (˜5 nm) sensor exhibited an outstanding sensing response (R) of 5,393 in detecting 20 ppm of 2-CEES; this performance is superior to those of other previously reported 2-CEES sensors based on semiconducting metal oxides. By optimizing the length of the packed column, we successfully decreased the retention time of 2-CEES to ˜150 s. More importantly, the manufactured mini-GC device can be used to selectively detect a small amount of target gas from other gases such as NH3, NO, and CO. We demonstrated the excellent detection performance of the device for the real-time selective detection of 2-CEES.",

author = "Lee, {Jun Ho} and Hwaebong Jung and Ran Yoo and Yunji Park and Lee, {Hyun sook} and Choe, {Yong Sahm} and Wooyoung Lee",

note = "Funding Information: This work was supported by the Basic Science Research Program through the National Research Foundation of Korea (NRF), and it was funded by the Ministry of Science, ICT & Future Planning ( NRF-2017M3A9F1052297 ) and the Medium and Large Complex Technology Commercialization Project through the Commercializations Promotion Agency for R&D Outcomes funded by the Ministry of Science and ICT . Publisher Copyright: {\textcopyright} 2018",

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AU - Yoo, Ran

AU - Park, Yunji

AU - Lee, Hyun sook

AU - Choe, Yong Sahm

AU - Lee, Wooyoung

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PY - 2019/4/1

Y1 - 2019/4/1

N2 - We report a new portable chemical warfare agent analyzer for miniaturized gas chromatography (mini-GC), comprising a packed column and hydrothermally synthesized Al-doped ZnO quantum dots (AZO QDs). This device uses a small volume of the target gas (1 ml) without pre-concentration and can be used to detect 2-chloroethyl ethyl sulfide (2-CEES) gas, which is a mustard gas simulant, over a wide concentration range. The AZO QD (˜5 nm) sensor exhibited an outstanding sensing response (R) of 5,393 in detecting 20 ppm of 2-CEES; this performance is superior to those of other previously reported 2-CEES sensors based on semiconducting metal oxides. By optimizing the length of the packed column, we successfully decreased the retention time of 2-CEES to ˜150 s. More importantly, the manufactured mini-GC device can be used to selectively detect a small amount of target gas from other gases such as NH3, NO, and CO. We demonstrated the excellent detection performance of the device for the real-time selective detection of 2-CEES.

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Real-time selective detection of 2-chloroethyl ethyl sulfide (2-CEES) using an Al-doped ZnO quantum dot sensor coupled with a packed column for gas chromatography

Abstract

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