An Operando X-ray Absorption Spectroscopy Study on Sensing Characteristics of Vertically Aligned ZnO Thin Film for Methane Gas Sensors
In this work, a simple, facile growth approach for a vertically aligned ZnO thin film is fabricated and its application towards methane gas sensors is demonstrated. ZnO thin film was prepared by a combination of hydrothermal and sputtering methods. First, a ZnO seed layer was prepared on the substra...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-04-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/12/8/1285 |
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| author | Suriya Duangmanee Yingyot Poo-arporn Pattanaphong Janphuang Pimchanok Leuasoongnoen Surangrat Tonlublao Phitsamai Kamonpha Natawan Saengchai Narong Chanlek Chatree Saisombat Pinit Kidkhunthod Rungtiva P. Poo-arporn |
| author_facet | Suriya Duangmanee Yingyot Poo-arporn Pattanaphong Janphuang Pimchanok Leuasoongnoen Surangrat Tonlublao Phitsamai Kamonpha Natawan Saengchai Narong Chanlek Chatree Saisombat Pinit Kidkhunthod Rungtiva P. Poo-arporn |
| author_sort | Suriya Duangmanee |
| collection | DOAJ |
| description | In this work, a simple, facile growth approach for a vertically aligned ZnO thin film is fabricated and its application towards methane gas sensors is demonstrated. ZnO thin film was prepared by a combination of hydrothermal and sputtering methods. First, a ZnO seed layer was prepared on the substrate through a sputtering technique, then a ZnO nanorod was fabricated using a hydrothermal method. The surface morphology of the ZnO film was observed by scanning electron microscopy (SEM). A ZnO nanorod coated on the dense seed layer is clearly visible in the SEM image. The average size of the hexagonal-shaped ZnO rod was around 50 nm in diameter, with a thickness of about 1 mm. X-ray absorption near-edge structures (XANES) were recorded to characterize the structural properties of the prepared film. The obtained normalized Zn K-edge XANES of the film showed the characteristic features of ZnO, which agreed well with the standard ZnO sample. The measurement of Zn K-edge XANES was performed simultaneously with the sensing response. The results showed a good correlation between sensor response and ZnO structure under optimal conditions. |
| first_indexed | 2024-03-09T13:12:31Z |
| format | Article |
| id | doaj.art-556866ad3b344ad2a44b63b4b5990c38 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-09T13:12:31Z |
| publishDate | 2022-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-556866ad3b344ad2a44b63b4b5990c382023-11-30T21:39:30ZengMDPI AGNanomaterials2079-49912022-04-01128128510.3390/nano12081285An Operando X-ray Absorption Spectroscopy Study on Sensing Characteristics of Vertically Aligned ZnO Thin Film for Methane Gas SensorsSuriya Duangmanee0Yingyot Poo-arporn1Pattanaphong Janphuang2Pimchanok Leuasoongnoen3Surangrat Tonlublao4Phitsamai Kamonpha5Natawan Saengchai6Narong Chanlek7Chatree Saisombat8Pinit Kidkhunthod9Rungtiva P. Poo-arporn10Biological Engineering Program, Faculty of Engineering, King Mongkut’s University of Technology Thonburi, Bangkok 10140, ThailandSynchrotron Light Research Institute, Nakhon Ratchasima 30000, ThailandSynchrotron Light Research Institute, Nakhon Ratchasima 30000, ThailandSynchrotron Light Research Institute, Nakhon Ratchasima 30000, ThailandSynchrotron Light Research Institute, Nakhon Ratchasima 30000, ThailandSchool of Physics, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000, ThailandSchool of Physics, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000, ThailandSynchrotron Light Research Institute, Nakhon Ratchasima 30000, ThailandSynchrotron Light Research Institute, Nakhon Ratchasima 30000, ThailandSynchrotron Light Research Institute, Nakhon Ratchasima 30000, ThailandBiological Engineering Program, Faculty of Engineering, King Mongkut’s University of Technology Thonburi, Bangkok 10140, ThailandIn this work, a simple, facile growth approach for a vertically aligned ZnO thin film is fabricated and its application towards methane gas sensors is demonstrated. ZnO thin film was prepared by a combination of hydrothermal and sputtering methods. First, a ZnO seed layer was prepared on the substrate through a sputtering technique, then a ZnO nanorod was fabricated using a hydrothermal method. The surface morphology of the ZnO film was observed by scanning electron microscopy (SEM). A ZnO nanorod coated on the dense seed layer is clearly visible in the SEM image. The average size of the hexagonal-shaped ZnO rod was around 50 nm in diameter, with a thickness of about 1 mm. X-ray absorption near-edge structures (XANES) were recorded to characterize the structural properties of the prepared film. The obtained normalized Zn K-edge XANES of the film showed the characteristic features of ZnO, which agreed well with the standard ZnO sample. The measurement of Zn K-edge XANES was performed simultaneously with the sensing response. The results showed a good correlation between sensor response and ZnO structure under optimal conditions.https://www.mdpi.com/2079-4991/12/8/1285ZnOgas sensorthin filmmethaneoperando XAS |
| spellingShingle | Suriya Duangmanee Yingyot Poo-arporn Pattanaphong Janphuang Pimchanok Leuasoongnoen Surangrat Tonlublao Phitsamai Kamonpha Natawan Saengchai Narong Chanlek Chatree Saisombat Pinit Kidkhunthod Rungtiva P. Poo-arporn An Operando X-ray Absorption Spectroscopy Study on Sensing Characteristics of Vertically Aligned ZnO Thin Film for Methane Gas Sensors Nanomaterials ZnO gas sensor thin film methane operando XAS |
| title | An Operando X-ray Absorption Spectroscopy Study on Sensing Characteristics of Vertically Aligned ZnO Thin Film for Methane Gas Sensors |
| title_full | An Operando X-ray Absorption Spectroscopy Study on Sensing Characteristics of Vertically Aligned ZnO Thin Film for Methane Gas Sensors |
| title_fullStr | An Operando X-ray Absorption Spectroscopy Study on Sensing Characteristics of Vertically Aligned ZnO Thin Film for Methane Gas Sensors |
| title_full_unstemmed | An Operando X-ray Absorption Spectroscopy Study on Sensing Characteristics of Vertically Aligned ZnO Thin Film for Methane Gas Sensors |
| title_short | An Operando X-ray Absorption Spectroscopy Study on Sensing Characteristics of Vertically Aligned ZnO Thin Film for Methane Gas Sensors |
| title_sort | operando x ray absorption spectroscopy study on sensing characteristics of vertically aligned zno thin film for methane gas sensors |
| topic | ZnO gas sensor thin film methane operando XAS |
| url | https://www.mdpi.com/2079-4991/12/8/1285 |
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