High Sensitivity and Low Detection Limit of Formaldehyde Sensor Based on In2O3@ZnO@ZIF-CoZn Core-Shell Nanofibers
High sensitivity and low detection limit of formaldehyde sensors are extremely essential for indoor air pollution monitoring. Herein, we propose a controllable strategy for the construction of metal-oxide semiconductor@metal organic framework (MOS@MOF) core-shell architectures as the sensing materia...
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| Veröffentlicht in: | IEEE sensors journal 2024-08, Vol.24 (16), p.25337-25345 |
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| creator | Zhao, Changhui Pan, Suye Li, Xiaohui Tang, Xi Wang, Fei |
| description | High sensitivity and low detection limit of formaldehyde sensors are extremely essential for indoor air pollution monitoring. Herein, we propose a controllable strategy for the construction of metal-oxide semiconductor@metal organic framework (MOS@MOF) core-shell architectures as the sensing material. In2O3@ZnO core-shell nanofibers (IZO CSNFs) are prefabricated by combining electrospinning and atomic layer deposition (ALD) technique, where the ALD-ZnO layer can be regarded as a template to obtain cobalt-doped ZIF-8 (ZIF-CoZn) sheath. In comparison to initial IZO CSNFs, the response of the IZO@ZIF-CoZn sensor toward 50 ppm formaldehyde can be boosted from 6.6~^{\circ } C to 39.4~^{\circ } C at 260~^{\circ } C, and the limit of detection can be as low as 2.1 ppb (@ 20% relative humidity). The enhanced performance of the IZO@ZIF-CoZn sensor should result from the highly efficient adsorption/decomposition of formaldehyde on the surface of ZIF-CoZn. In addition, the effects of core-shell structure, cobalt dopants, interference gases, and moisture on formaldehyde gas sensing are discussed. Our results provide insight into the enhancement mechanism of the MOS-based gas sensors by utilizing the functionalized MOF sheaths. |
| doi_str_mv | 10.1109/JSEN.2024.3419432 |
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Herein, we propose a controllable strategy for the construction of metal-oxide semiconductor@metal organic framework (MOS@MOF) core-shell architectures as the sensing material. In2O3@ZnO core-shell nanofibers (IZO CSNFs) are prefabricated by combining electrospinning and atomic layer deposition (ALD) technique, where the ALD-ZnO layer can be regarded as a template to obtain cobalt-doped ZIF-8 (ZIF-CoZn) sheath. In comparison to initial IZO CSNFs, the response of the IZO@ZIF-CoZn sensor toward 50 ppm formaldehyde can be boosted from <inline-formula> <tex-math notation="LaTeX">6.6~^{\circ } </tex-math></inline-formula>C to <inline-formula> <tex-math notation="LaTeX">39.4~^{\circ } </tex-math></inline-formula>C at <inline-formula> <tex-math notation="LaTeX">260~^{\circ } </tex-math></inline-formula>C, and the limit of detection can be as low as 2.1 ppb (@ 20% relative humidity). The enhanced performance of the IZO@ZIF-CoZn sensor should result from the highly efficient adsorption/decomposition of formaldehyde on the surface of ZIF-CoZn. In addition, the effects of core-shell structure, cobalt dopants, interference gases, and moisture on formaldehyde gas sensing are discussed. Our results provide insight into the enhancement mechanism of the MOS-based gas sensors by utilizing the functionalized MOF sheaths.]]></description><identifier>ISSN: 1530-437X</identifier><identifier>EISSN: 1558-1748</identifier><identifier>DOI: 10.1109/JSEN.2024.3419432</identifier><identifier>CODEN: ISJEAZ</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Air monitoring ; Atomic layer epitaxy ; Cobalt ; Controllability ; Core-shell nanofibers (CSNFs) ; Core-shell structure ; Formaldehyde ; Gas detectors ; gas sensor ; Gas sensors ; II-VI semiconductor materials ; Indium oxides ; Indoor air pollution ; Indoor air quality ; metal oxide semiconductor (MOS) ; Metal oxide semiconductors ; metal-organic framework (MOF) ; Metal-organic frameworks ; Nanofibers ; Pollution detection ; Pollution monitoring ; Relative humidity ; Sensitivity ; Sensors ; Sheaths ; Surface treatment ; Temperature sensors ; Zinc ; Zinc oxide</subject><ispartof>IEEE sensors journal, 2024-08, Vol.24 (16), p.25337-25345</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2024</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-4479-4485 ; 0000-0002-7549-168X ; 0000-0003-1871-1022</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/10582852$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/10582852$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Zhao, Changhui</creatorcontrib><creatorcontrib>Pan, Suye</creatorcontrib><creatorcontrib>Li, Xiaohui</creatorcontrib><creatorcontrib>Tang, Xi</creatorcontrib><creatorcontrib>Wang, Fei</creatorcontrib><title>High Sensitivity and Low Detection Limit of Formaldehyde Sensor Based on In2O3@ZnO@ZIF-CoZn Core-Shell Nanofibers</title><title>IEEE sensors journal</title><addtitle>JSEN</addtitle><description><![CDATA[High sensitivity and low detection limit of formaldehyde sensors are extremely essential for indoor air pollution monitoring. Herein, we propose a controllable strategy for the construction of metal-oxide semiconductor@metal organic framework (MOS@MOF) core-shell architectures as the sensing material. In2O3@ZnO core-shell nanofibers (IZO CSNFs) are prefabricated by combining electrospinning and atomic layer deposition (ALD) technique, where the ALD-ZnO layer can be regarded as a template to obtain cobalt-doped ZIF-8 (ZIF-CoZn) sheath. In comparison to initial IZO CSNFs, the response of the IZO@ZIF-CoZn sensor toward 50 ppm formaldehyde can be boosted from <inline-formula> <tex-math notation="LaTeX">6.6~^{\circ } </tex-math></inline-formula>C to <inline-formula> <tex-math notation="LaTeX">39.4~^{\circ } </tex-math></inline-formula>C at <inline-formula> <tex-math notation="LaTeX">260~^{\circ } </tex-math></inline-formula>C, and the limit of detection can be as low as 2.1 ppb (@ 20% relative humidity). The enhanced performance of the IZO@ZIF-CoZn sensor should result from the highly efficient adsorption/decomposition of formaldehyde on the surface of ZIF-CoZn. In addition, the effects of core-shell structure, cobalt dopants, interference gases, and moisture on formaldehyde gas sensing are discussed. Our results provide insight into the enhancement mechanism of the MOS-based gas sensors by utilizing the functionalized MOF sheaths.]]></description><subject>Air monitoring</subject><subject>Atomic layer epitaxy</subject><subject>Cobalt</subject><subject>Controllability</subject><subject>Core-shell nanofibers (CSNFs)</subject><subject>Core-shell structure</subject><subject>Formaldehyde</subject><subject>Gas detectors</subject><subject>gas sensor</subject><subject>Gas sensors</subject><subject>II-VI semiconductor materials</subject><subject>Indium oxides</subject><subject>Indoor air pollution</subject><subject>Indoor air quality</subject><subject>metal oxide semiconductor (MOS)</subject><subject>Metal oxide semiconductors</subject><subject>metal-organic framework (MOF)</subject><subject>Metal-organic frameworks</subject><subject>Nanofibers</subject><subject>Pollution detection</subject><subject>Pollution monitoring</subject><subject>Relative humidity</subject><subject>Sensitivity</subject><subject>Sensors</subject><subject>Sheaths</subject><subject>Surface treatment</subject><subject>Temperature sensors</subject><subject>Zinc</subject><subject>Zinc oxide</subject><issn>1530-437X</issn><issn>1558-1748</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNotjc1OwkAYRSdGExF9ABMXk7guzm-n3aEIgmlggSaGTTNtv5EhZQamRcPbW8XVvYtzz0XolpIBpSR9eF2O5wNGmBhwQVPB2RnqUSmTiCqRnP92TiLB1cclumqaDSE0VVL10H5qP9d4Ca6xrf2y7RFrV-HMf-NnaKFsrXc4s1vbYm_wxIetritYHyv42_iAn3QDFe6omWMLPly5xXA1m0Qjv3J45ANEyzXUNZ5r540tIDTX6MLouoGb_-yj98n4bTSNssXLbPSYRZZy0Ua8LHiSVqkiUqWGxJUhUBjOSQqVYrqSMXBSxHEpTGJiUwATpaKkFDohJRGC99H9ybsLfn-Aps03_hBcd5l3EiGpjGPZUXcnygJAvgt2q8Mxp0QmLJGM_wCeLmT5</recordid><startdate>20240815</startdate><enddate>20240815</enddate><creator>Zhao, Changhui</creator><creator>Pan, Suye</creator><creator>Li, Xiaohui</creator><creator>Tang, Xi</creator><creator>Wang, Fei</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-4479-4485</orcidid><orcidid>https://orcid.org/0000-0002-7549-168X</orcidid><orcidid>https://orcid.org/0000-0003-1871-1022</orcidid></search><sort><creationdate>20240815</creationdate><title>High Sensitivity and Low Detection Limit of Formaldehyde Sensor Based on In2O3@ZnO@ZIF-CoZn Core-Shell Nanofibers</title><author>Zhao, Changhui ; Pan, Suye ; Li, Xiaohui ; Tang, Xi ; Wang, Fei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i134t-3cb389d970579f06df0ebf3309ed72ad56e30b66c4f8f6fbe24c710c4a80c0443</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Air monitoring</topic><topic>Atomic layer epitaxy</topic><topic>Cobalt</topic><topic>Controllability</topic><topic>Core-shell nanofibers (CSNFs)</topic><topic>Core-shell structure</topic><topic>Formaldehyde</topic><topic>Gas detectors</topic><topic>gas sensor</topic><topic>Gas sensors</topic><topic>II-VI semiconductor materials</topic><topic>Indium oxides</topic><topic>Indoor air pollution</topic><topic>Indoor air quality</topic><topic>metal oxide semiconductor (MOS)</topic><topic>Metal oxide semiconductors</topic><topic>metal-organic framework (MOF)</topic><topic>Metal-organic frameworks</topic><topic>Nanofibers</topic><topic>Pollution detection</topic><topic>Pollution monitoring</topic><topic>Relative humidity</topic><topic>Sensitivity</topic><topic>Sensors</topic><topic>Sheaths</topic><topic>Surface treatment</topic><topic>Temperature sensors</topic><topic>Zinc</topic><topic>Zinc oxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, Changhui</creatorcontrib><creatorcontrib>Pan, Suye</creatorcontrib><creatorcontrib>Li, Xiaohui</creatorcontrib><creatorcontrib>Tang, Xi</creatorcontrib><creatorcontrib>Wang, Fei</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE sensors journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Zhao, Changhui</au><au>Pan, Suye</au><au>Li, Xiaohui</au><au>Tang, Xi</au><au>Wang, Fei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High Sensitivity and Low Detection Limit of Formaldehyde Sensor Based on In2O3@ZnO@ZIF-CoZn Core-Shell Nanofibers</atitle><jtitle>IEEE sensors journal</jtitle><stitle>JSEN</stitle><date>2024-08-15</date><risdate>2024</risdate><volume>24</volume><issue>16</issue><spage>25337</spage><epage>25345</epage><pages>25337-25345</pages><issn>1530-437X</issn><eissn>1558-1748</eissn><coden>ISJEAZ</coden><abstract><![CDATA[High sensitivity and low detection limit of formaldehyde sensors are extremely essential for indoor air pollution monitoring. Herein, we propose a controllable strategy for the construction of metal-oxide semiconductor@metal organic framework (MOS@MOF) core-shell architectures as the sensing material. In2O3@ZnO core-shell nanofibers (IZO CSNFs) are prefabricated by combining electrospinning and atomic layer deposition (ALD) technique, where the ALD-ZnO layer can be regarded as a template to obtain cobalt-doped ZIF-8 (ZIF-CoZn) sheath. In comparison to initial IZO CSNFs, the response of the IZO@ZIF-CoZn sensor toward 50 ppm formaldehyde can be boosted from <inline-formula> <tex-math notation="LaTeX">6.6~^{\circ } </tex-math></inline-formula>C to <inline-formula> <tex-math notation="LaTeX">39.4~^{\circ } </tex-math></inline-formula>C at <inline-formula> <tex-math notation="LaTeX">260~^{\circ } </tex-math></inline-formula>C, and the limit of detection can be as low as 2.1 ppb (@ 20% relative humidity). The enhanced performance of the IZO@ZIF-CoZn sensor should result from the highly efficient adsorption/decomposition of formaldehyde on the surface of ZIF-CoZn. In addition, the effects of core-shell structure, cobalt dopants, interference gases, and moisture on formaldehyde gas sensing are discussed. Our results provide insight into the enhancement mechanism of the MOS-based gas sensors by utilizing the functionalized MOF sheaths.]]></abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/JSEN.2024.3419432</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-4479-4485</orcidid><orcidid>https://orcid.org/0000-0002-7549-168X</orcidid><orcidid>https://orcid.org/0000-0003-1871-1022</orcidid></addata></record> |
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| subjects | Air monitoring Atomic layer epitaxy Cobalt Controllability Core-shell nanofibers (CSNFs) Core-shell structure Formaldehyde Gas detectors gas sensor Gas sensors II-VI semiconductor materials Indium oxides Indoor air pollution Indoor air quality metal oxide semiconductor (MOS) Metal oxide semiconductors metal-organic framework (MOF) Metal-organic frameworks Nanofibers Pollution detection Pollution monitoring Relative humidity Sensitivity Sensors Sheaths Surface treatment Temperature sensors Zinc Zinc oxide |
| title | High Sensitivity and Low Detection Limit of Formaldehyde Sensor Based on In2O3@ZnO@ZIF-CoZn Core-Shell Nanofibers |
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