Punched ZnO nanobelt networks for highly sensitive gas sensors

Chan Woong Na; Seung Young Park; Jong Heun Lee

doi:10.1016/j.snb.2012.07.094

Punched ZnO nanobelt networks for highly sensitive gas sensors

Chan Woong Na, Seung Young Park, Jong Heun Lee

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

49 Citations (Scopus)

Abstract

Punched ZnO nanobelt (NB) network sensors with strong adhesion to Au electrodes were fabricated by the vapor-phase growth of ZnS NB networks and subsequent thermal annealing. The punched ZnO NB networks showed sensitive and selective detection of trimethylamine (TMA), while no significant sensitivity or selectivity to a specific gas was observed in dense ZnO NB networks. This high TMA response can be explained by abundant chemoresistive contacts, effective electron depletion, and high surface area to volume ratio of punched ZnO NB networks.

Original language	English
Pages (from-to)	495-499
Number of pages	5
Journal	Sensors and Actuators, B: Chemical
Volume	174
DOIs	https://doi.org/10.1016/j.snb.2012.07.094
Publication status	Published - 2012 Nov

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea Government (MEST) (No. R0A-2008-000-20032-0 ).

Copyright:
Copyright 2012 Elsevier B.V., All rights reserved.

Keywords

Gas sensors
Punched nanobelts
Trimethylamine
ZnO
ZnS

ASJC Scopus subject areas

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.2012.07.094

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title = "Punched ZnO nanobelt networks for highly sensitive gas sensors",

abstract = "Punched ZnO nanobelt (NB) network sensors with strong adhesion to Au electrodes were fabricated by the vapor-phase growth of ZnS NB networks and subsequent thermal annealing. The punched ZnO NB networks showed sensitive and selective detection of trimethylamine (TMA), while no significant sensitivity or selectivity to a specific gas was observed in dense ZnO NB networks. This high TMA response can be explained by abundant chemoresistive contacts, effective electron depletion, and high surface area to volume ratio of punched ZnO NB networks.",

keywords = "Gas sensors, Punched nanobelts, Trimethylamine, ZnO, ZnS",

author = "Na, {Chan Woong} and Park, {Seung Young} and Lee, {Jong Heun}",

note = "Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea Government (MEST) (No. R0A-2008-000-20032-0 ). Copyright: Copyright 2012 Elsevier B.V., All rights reserved.",

year = "2012",

month = nov,

doi = "10.1016/j.snb.2012.07.094",

language = "English",

volume = "174",

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T1 - Punched ZnO nanobelt networks for highly sensitive gas sensors

AU - Na, Chan Woong

AU - Park, Seung Young

AU - Lee, Jong Heun

N1 - Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea Government (MEST) (No. R0A-2008-000-20032-0 ). Copyright: Copyright 2012 Elsevier B.V., All rights reserved.

PY - 2012/11

Y1 - 2012/11

N2 - Punched ZnO nanobelt (NB) network sensors with strong adhesion to Au electrodes were fabricated by the vapor-phase growth of ZnS NB networks and subsequent thermal annealing. The punched ZnO NB networks showed sensitive and selective detection of trimethylamine (TMA), while no significant sensitivity or selectivity to a specific gas was observed in dense ZnO NB networks. This high TMA response can be explained by abundant chemoresistive contacts, effective electron depletion, and high surface area to volume ratio of punched ZnO NB networks.

AB - Punched ZnO nanobelt (NB) network sensors with strong adhesion to Au electrodes were fabricated by the vapor-phase growth of ZnS NB networks and subsequent thermal annealing. The punched ZnO NB networks showed sensitive and selective detection of trimethylamine (TMA), while no significant sensitivity or selectivity to a specific gas was observed in dense ZnO NB networks. This high TMA response can be explained by abundant chemoresistive contacts, effective electron depletion, and high surface area to volume ratio of punched ZnO NB networks.

KW - Gas sensors

KW - Punched nanobelts

KW - Trimethylamine

KW - ZnO

KW - ZnS

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Punched ZnO nanobelt networks for highly sensitive gas sensors

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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