Highly Sensitive Self-Actuated Zinc Oxide Resonant Microcantilever Humidity Sensor
A resonant microcantilever sensor is fabricated from a zinc oxide (ZnO) thin film, which serves as both the structural and sensing layers. An open-air spatial atomic layer deposition technique is used to deposit the ZnO layer to achieve a ∼200 nm thickness, an order of magnitude lower than the thick...
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American Chemical Society
2022
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oai:localhost:PNK-57682022-08-17T05:54:54Z Highly Sensitive Self-Actuated Zinc Oxide Resonant Microcantilever Humidity Sensor Kissan, Mistry Viet Huong, Nguyen Mohamed, Arabi Khaled, H. Ibrahim Hatameh, Asgarimoghaddam Mustafa, Yavuz Microcantilever Nanocantilever A resonant microcantilever sensor is fabricated from a zinc oxide (ZnO) thin film, which serves as both the structural and sensing layers. An open-air spatial atomic layer deposition technique is used to deposit the ZnO layer to achieve a ∼200 nm thickness, an order of magnitude lower than the thicknesses of conventional microcantilever sensors. The reduction in the number of layers, in the cantilever dimensions, and its overall lower mass lead to an ultrahigh sensitivity, demonstrated by detection of low humidity levels. A maximum sensitivity of 23649 ppm/% RH at 5.8% RH is observed, which is several orders of magnitude larger than those reported for other resonant humidity sensors. Furthermore, the ZnO cantilever sensor is self-actuated in air, an advantageous detection mode that enables simpler and lower-power-consumption sensors. 2022-05-05T07:26:22Z 2022-05-05T07:26:22Z 2022 Bài trích https://pubs.acs.org/doi/10.1021/acs.nanolett.1c04378 https://dlib.phenikaa-uni.edu.vn/handle/PNK/5768 https://doi.org/10.1021/acs.nanolett.1c04378 en American Chemical Society |
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Microcantilever Nanocantilever |
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Microcantilever Nanocantilever Kissan, Mistry Viet Huong, Nguyen Mohamed, Arabi Khaled, H. Ibrahim Hatameh, Asgarimoghaddam Mustafa, Yavuz Highly Sensitive Self-Actuated Zinc Oxide Resonant Microcantilever Humidity Sensor |
description |
A resonant microcantilever sensor is fabricated from a zinc oxide (ZnO) thin film, which serves as both the structural and sensing layers. An open-air spatial atomic layer deposition technique is used to deposit the ZnO layer to achieve a ∼200 nm thickness, an order of magnitude lower than the thicknesses of conventional microcantilever sensors. The reduction in the number of layers, in the cantilever dimensions, and its overall lower mass lead to an ultrahigh sensitivity, demonstrated by detection of low humidity levels. A maximum sensitivity of 23649 ppm/% RH at 5.8% RH is observed, which is several orders of magnitude larger than those reported for other resonant humidity sensors. Furthermore, the ZnO cantilever sensor is self-actuated in air, an advantageous detection mode that enables simpler and lower-power-consumption sensors. |
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Bài trích |
author |
Kissan, Mistry Viet Huong, Nguyen Mohamed, Arabi Khaled, H. Ibrahim Hatameh, Asgarimoghaddam Mustafa, Yavuz |
author_facet |
Kissan, Mistry Viet Huong, Nguyen Mohamed, Arabi Khaled, H. Ibrahim Hatameh, Asgarimoghaddam Mustafa, Yavuz |
author_sort |
Kissan, Mistry |
title |
Highly Sensitive Self-Actuated Zinc Oxide Resonant Microcantilever Humidity Sensor |
title_short |
Highly Sensitive Self-Actuated Zinc Oxide Resonant Microcantilever Humidity Sensor |
title_full |
Highly Sensitive Self-Actuated Zinc Oxide Resonant Microcantilever Humidity Sensor |
title_fullStr |
Highly Sensitive Self-Actuated Zinc Oxide Resonant Microcantilever Humidity Sensor |
title_full_unstemmed |
Highly Sensitive Self-Actuated Zinc Oxide Resonant Microcantilever Humidity Sensor |
title_sort |
highly sensitive self-actuated zinc oxide resonant microcantilever humidity sensor |
publisher |
American Chemical Society |
publishDate |
2022 |
url |
https://pubs.acs.org/doi/10.1021/acs.nanolett.1c04378 https://dlib.phenikaa-uni.edu.vn/handle/PNK/5768 https://doi.org/10.1021/acs.nanolett.1c04378 |
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1751856282079330304 |
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8.891145 |