Surface acoustic wave ammonia sensor based on ZnS mucosal-like nanostructures

Gongdi Long; Yuanjun Guo; Wei Li; Qingbo Tang; Xiaotao Zu; Jinyi Ma; Bo Du; Yongqing Fu

doi:10.1016/j.mee.2019.111201

Surface acoustic wave ammonia sensor based on ZnS mucosal-like nanostructures

Gongdi Long, Yuanjun Guo, Wei Li, Qingbo Tang, Xiaotao Zu, Jinyi Ma, Bo Du, Yongqing Fu

Research output: Contribution to journal › Review article › peer-review

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Abstract

Mucosal-like ZnS nanostructures were synthesized on surface of ST-cut quartz surface acoustic wave (SAW) device using a chemical bath deposition method for ammonia sensing applications. Results showed the SAW device with ZnS mucosal nanostructures achieved a good sensitivity, e.g., with a frequency shift of ~190 Hz upon exposure to 1 ppm ammonia gas. This is mainly attributed to the large specific surface areas and more active sites on the surfaces of the ZnS mucosal nanostructures. Selectivity of the SAW device with the ZnS mucosal nanostructure for ammonia sensing was excellent in comparisons with those for other types of gases such as hydrogen sulfide, hydrogen, nitrogen dioxide, carbon monoxide and ethanol.

Original language	English
Article number	111201
Number of pages	7
Journal	Microelectronic Engineering
Volume	222
Early online date	18 Dec 2019
DOIs	https://doi.org/10.1016/j.mee.2019.111201
Publication status	Published - 1 Feb 2020

Keywords

Mucosa
ZnS nanostructure
Surface acoustic wave
Gas sensor

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10.1016/j.mee.2019.111201

1-s2.0-S0167931719303570-mainAccepted author manuscript, 1.64 MBLicence: CC BY-NC-ND

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title = "Surface acoustic wave ammonia sensor based on ZnS mucosal-like nanostructures",

abstract = "Mucosal-like ZnS nanostructures were synthesized on surface of ST-cut quartz surface acoustic wave (SAW) device using a chemical bath deposition method for ammonia sensing applications. Results showed the SAW device with ZnS mucosal nanostructures achieved a good sensitivity, e.g., with a frequency shift of \textasciitilde{}190 Hz upon exposure to 1 ppm ammonia gas. This is mainly attributed to the large specific surface areas and more active sites on the surfaces of the ZnS mucosal nanostructures. Selectivity of the SAW device with the ZnS mucosal nanostructure for ammonia sensing was excellent in comparisons with those for other types of gases such as hydrogen sulfide, hydrogen, nitrogen dioxide, carbon monoxide and ethanol.",

keywords = "Mucosa, ZnS nanostructure, Surface acoustic wave, Gas sensor",

author = "Gongdi Long and Yuanjun Guo and Wei Li and Qingbo Tang and Xiaotao Zu and Jinyi Ma and Bo Du and Yongqing Fu",

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T1 - Surface acoustic wave ammonia sensor based on ZnS mucosal-like nanostructures

AU - Long, Gongdi

AU - Guo, Yuanjun

AU - Li, Wei

AU - Tang, Qingbo

AU - Zu, Xiaotao

AU - Ma, Jinyi

AU - Du, Bo

AU - Fu, Yongqing

PY - 2020/2/1

Y1 - 2020/2/1

N2 - Mucosal-like ZnS nanostructures were synthesized on surface of ST-cut quartz surface acoustic wave (SAW) device using a chemical bath deposition method for ammonia sensing applications. Results showed the SAW device with ZnS mucosal nanostructures achieved a good sensitivity, e.g., with a frequency shift of ~190 Hz upon exposure to 1 ppm ammonia gas. This is mainly attributed to the large specific surface areas and more active sites on the surfaces of the ZnS mucosal nanostructures. Selectivity of the SAW device with the ZnS mucosal nanostructure for ammonia sensing was excellent in comparisons with those for other types of gases such as hydrogen sulfide, hydrogen, nitrogen dioxide, carbon monoxide and ethanol.

AB - Mucosal-like ZnS nanostructures were synthesized on surface of ST-cut quartz surface acoustic wave (SAW) device using a chemical bath deposition method for ammonia sensing applications. Results showed the SAW device with ZnS mucosal nanostructures achieved a good sensitivity, e.g., with a frequency shift of ~190 Hz upon exposure to 1 ppm ammonia gas. This is mainly attributed to the large specific surface areas and more active sites on the surfaces of the ZnS mucosal nanostructures. Selectivity of the SAW device with the ZnS mucosal nanostructure for ammonia sensing was excellent in comparisons with those for other types of gases such as hydrogen sulfide, hydrogen, nitrogen dioxide, carbon monoxide and ethanol.

KW - Mucosa

KW - ZnS nanostructure

KW - Surface acoustic wave

KW - Gas sensor

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U2 - 10.1016/j.mee.2019.111201

DO - 10.1016/j.mee.2019.111201

M3 - Review article

SN - 0167-9317

VL - 222

JO - Microelectronic Engineering

JF - Microelectronic Engineering

M1 - 111201

ER -

Surface acoustic wave ammonia sensor based on ZnS mucosal-like nanostructures

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