Gas-Sensing Properties of Co 9 S 8 Films Toward Formaldehyde, Ethanol, and Hydrogen Sulfide
The chemiresistive gas-sensing properties of pristine Co S film are little known despite its potential as a promising gas sensor material due to its intrinsic characteristics. In this study, a pristine polycrystalline Co S film (approximately 440 nm in thickness) is fabricated by depositing a Co O f...
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| Veröffentlicht in: | Materials 2024-11, Vol.17 (23) |
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| creator | Kim, Myeong Gyu Choi, Yun-Hyuk |
| description | The chemiresistive gas-sensing properties of pristine Co
S
film are little known despite its potential as a promising gas sensor material due to its intrinsic characteristics. In this study, a pristine polycrystalline Co
S
film (approximately 440 nm in thickness) is fabricated by depositing a Co
O
film followed by sulfidation to investigate its gas-sensing properties. The prepared Co
S
film sensor is found to exhibit high responsiveness towards formaldehyde (HCHO), ethanol (C
H
OH), and hydrogen sulfide (H
S) at operating temperatures of 300 °C and 400 °C, with strong concentration dependence. On the other hand, the sensor shows very low or no responsiveness towards hydrogen (H
), acetone (CH
COCH
), and nitrogen dioxide (NO
). These results enhance our understanding of the intrinsic gas-sensing properties of Co
S
, aiding in the design and fabrication of high-performance chemiresistive gas sensors based on Co
S
. |
| doi_str_mv | 10.3390/ma17235743 |
| format | Article |
| fullrecord | <record><control><sourceid>pubmed</sourceid><recordid>TN_cdi_pubmed_primary_39685179</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>39685179</sourcerecordid><originalsourceid>FETCH-pubmed_primary_396851793</originalsourceid><addsrcrecordid>eNqFjr0KwjAURoMoKtrFB5D7AFYbU20zi9VRqJuDRHJbI_kpiSJ9ex0U3PyWc4YzfIRMaDJnjCcLI2i2ZKssZR0ypJyvY8rTtPvjAxKFcEveY4zmS94nA8bX-YpmfEhOOxHiEm1QtoaDdw36u8IAroKNAw4l5FAobQIc3VN4CYXzRmiJ11biDLb3q7BOz0BYCftWelejhfKhKyVxTHqV0AGjD0dkWmyPm33cPC4G5bnxygjfnr9v2N_gBZs9RS4</addsrcrecordid><sourcetype>Index Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Gas-Sensing Properties of Co 9 S 8 Films Toward Formaldehyde, Ethanol, and Hydrogen Sulfide</title><source>Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals</source><source>PubMed Central Open Access</source><source>MDPI - Multidisciplinary Digital Publishing Institute</source><source>PubMed Central</source><source>Free Full-Text Journals in Chemistry</source><creator>Kim, Myeong Gyu ; Choi, Yun-Hyuk</creator><creatorcontrib>Kim, Myeong Gyu ; Choi, Yun-Hyuk</creatorcontrib><description>The chemiresistive gas-sensing properties of pristine Co
S
film are little known despite its potential as a promising gas sensor material due to its intrinsic characteristics. In this study, a pristine polycrystalline Co
S
film (approximately 440 nm in thickness) is fabricated by depositing a Co
O
film followed by sulfidation to investigate its gas-sensing properties. The prepared Co
S
film sensor is found to exhibit high responsiveness towards formaldehyde (HCHO), ethanol (C
H
OH), and hydrogen sulfide (H
S) at operating temperatures of 300 °C and 400 °C, with strong concentration dependence. On the other hand, the sensor shows very low or no responsiveness towards hydrogen (H
), acetone (CH
COCH
), and nitrogen dioxide (NO
). These results enhance our understanding of the intrinsic gas-sensing properties of Co
S
, aiding in the design and fabrication of high-performance chemiresistive gas sensors based on Co
S
.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma17235743</identifier><identifier>PMID: 39685179</identifier><language>eng</language><publisher>Switzerland</publisher><ispartof>Materials, 2024-11, Vol.17 (23)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-3120-1556</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,27907,27908</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39685179$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kim, Myeong Gyu</creatorcontrib><creatorcontrib>Choi, Yun-Hyuk</creatorcontrib><title>Gas-Sensing Properties of Co 9 S 8 Films Toward Formaldehyde, Ethanol, and Hydrogen Sulfide</title><title>Materials</title><addtitle>Materials (Basel)</addtitle><description>The chemiresistive gas-sensing properties of pristine Co
S
film are little known despite its potential as a promising gas sensor material due to its intrinsic characteristics. In this study, a pristine polycrystalline Co
S
film (approximately 440 nm in thickness) is fabricated by depositing a Co
O
film followed by sulfidation to investigate its gas-sensing properties. The prepared Co
S
film sensor is found to exhibit high responsiveness towards formaldehyde (HCHO), ethanol (C
H
OH), and hydrogen sulfide (H
S) at operating temperatures of 300 °C and 400 °C, with strong concentration dependence. On the other hand, the sensor shows very low or no responsiveness towards hydrogen (H
), acetone (CH
COCH
), and nitrogen dioxide (NO
). These results enhance our understanding of the intrinsic gas-sensing properties of Co
S
, aiding in the design and fabrication of high-performance chemiresistive gas sensors based on Co
S
.</description><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqFjr0KwjAURoMoKtrFB5D7AFYbU20zi9VRqJuDRHJbI_kpiSJ9ex0U3PyWc4YzfIRMaDJnjCcLI2i2ZKssZR0ypJyvY8rTtPvjAxKFcEveY4zmS94nA8bX-YpmfEhOOxHiEm1QtoaDdw36u8IAroKNAw4l5FAobQIc3VN4CYXzRmiJ11biDLb3q7BOz0BYCftWelejhfKhKyVxTHqV0AGjD0dkWmyPm33cPC4G5bnxygjfnr9v2N_gBZs9RS4</recordid><startdate>20241124</startdate><enddate>20241124</enddate><creator>Kim, Myeong Gyu</creator><creator>Choi, Yun-Hyuk</creator><scope>NPM</scope><orcidid>https://orcid.org/0000-0002-3120-1556</orcidid></search><sort><creationdate>20241124</creationdate><title>Gas-Sensing Properties of Co 9 S 8 Films Toward Formaldehyde, Ethanol, and Hydrogen Sulfide</title><author>Kim, Myeong Gyu ; Choi, Yun-Hyuk</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-pubmed_primary_396851793</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Myeong Gyu</creatorcontrib><creatorcontrib>Choi, Yun-Hyuk</creatorcontrib><collection>PubMed</collection><jtitle>Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kim, Myeong Gyu</au><au>Choi, Yun-Hyuk</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Gas-Sensing Properties of Co 9 S 8 Films Toward Formaldehyde, Ethanol, and Hydrogen Sulfide</atitle><jtitle>Materials</jtitle><addtitle>Materials (Basel)</addtitle><date>2024-11-24</date><risdate>2024</risdate><volume>17</volume><issue>23</issue><issn>1996-1944</issn><eissn>1996-1944</eissn><abstract>The chemiresistive gas-sensing properties of pristine Co
S
film are little known despite its potential as a promising gas sensor material due to its intrinsic characteristics. In this study, a pristine polycrystalline Co
S
film (approximately 440 nm in thickness) is fabricated by depositing a Co
O
film followed by sulfidation to investigate its gas-sensing properties. The prepared Co
S
film sensor is found to exhibit high responsiveness towards formaldehyde (HCHO), ethanol (C
H
OH), and hydrogen sulfide (H
S) at operating temperatures of 300 °C and 400 °C, with strong concentration dependence. On the other hand, the sensor shows very low or no responsiveness towards hydrogen (H
), acetone (CH
COCH
), and nitrogen dioxide (NO
). These results enhance our understanding of the intrinsic gas-sensing properties of Co
S
, aiding in the design and fabrication of high-performance chemiresistive gas sensors based on Co
S
.</abstract><cop>Switzerland</cop><pmid>39685179</pmid><doi>10.3390/ma17235743</doi><orcidid>https://orcid.org/0000-0002-3120-1556</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1996-1944 |
| ispartof | Materials, 2024-11, Vol.17 (23) |
| issn | 1996-1944 1996-1944 |
| language | eng |
| recordid | cdi_pubmed_primary_39685179 |
| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; PubMed Central; Free Full-Text Journals in Chemistry |
| title | Gas-Sensing Properties of Co 9 S 8 Films Toward Formaldehyde, Ethanol, and Hydrogen Sulfide |
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