A Designed ZnO@ZIF-8 Core-Shell Nanorod Film as a Gas Sensor with Excellent Selectivity for H 2 over CO
The development of H gas sensors is important for H production as a fuel. In this work, a ZnO@ZIF-8 core-shell nanorod film is designed and synthesized as a gas sensor through a facile solution deposition process. This film shows an excellent selective response for H over CO. By fine-tuning the reac...
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| Veröffentlicht in: | Chemistry : a European journal 2017-06, Vol.23 (33), p.7969-7975 |
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| container_issue | 33 |
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| container_title | Chemistry : a European journal |
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| creator | Wu, Xiaonan Xiong, Shunshun Mao, Zhenghao Hu, Sheng Long, Xinggui |
| description | The development of H
gas sensors is important for H
production as a fuel. In this work, a ZnO@ZIF-8 core-shell nanorod film is designed and synthesized as a gas sensor through a facile solution deposition process. This film shows an excellent selective response for H
over CO. By fine-tuning the reaction conditions, a ZnO@ZIF-8 core-shell structure with a thin, fine-grain, porous ZIF-8 shell is obtained. Owing to the facile H
penetration through the ZIF-8 thin shell (≈110 nm) and the increased oxygen vacancies for the complex film, the ZnO@ZIF-8 nanorod film shows a higher H
sensitivity than a raw ZnO nanorod film. More importantly, the ZnO@ZIF-8 nanorod film shows no response for CO at 200 °C. Because of the fine-grain confinement of the porous ZIF-8 shell ( |
| doi_str_mv | 10.1002/chem.201700320 |
| format | Article |
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gas sensors is important for H
production as a fuel. In this work, a ZnO@ZIF-8 core-shell nanorod film is designed and synthesized as a gas sensor through a facile solution deposition process. This film shows an excellent selective response for H
over CO. By fine-tuning the reaction conditions, a ZnO@ZIF-8 core-shell structure with a thin, fine-grain, porous ZIF-8 shell is obtained. Owing to the facile H
penetration through the ZIF-8 thin shell (≈110 nm) and the increased oxygen vacancies for the complex film, the ZnO@ZIF-8 nanorod film shows a higher H
sensitivity than a raw ZnO nanorod film. More importantly, the ZnO@ZIF-8 nanorod film shows no response for CO at 200 °C. Because of the fine-grain confinement of the porous ZIF-8 shell (<140 nm), the molecular sieving effect is strengthened, which allows the effective separation of H
over CO. This work provides a promising strategy for the design of high-performance H
sensors.</description><identifier>ISSN: 0947-6539</identifier><identifier>EISSN: 1521-3765</identifier><identifier>DOI: 10.1002/chem.201700320</identifier><identifier>PMID: 28422336</identifier><language>eng</language><publisher>Germany</publisher><ispartof>Chemistry : a European journal, 2017-06, Vol.23 (33), p.7969-7975</ispartof><rights>2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c192t-e40c80fd2d370c052fb2c9570d40bab4d70f404174f44730c55b839cce778463</citedby><cites>FETCH-LOGICAL-c192t-e40c80fd2d370c052fb2c9570d40bab4d70f404174f44730c55b839cce778463</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28422336$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wu, Xiaonan</creatorcontrib><creatorcontrib>Xiong, Shunshun</creatorcontrib><creatorcontrib>Mao, Zhenghao</creatorcontrib><creatorcontrib>Hu, Sheng</creatorcontrib><creatorcontrib>Long, Xinggui</creatorcontrib><title>A Designed ZnO@ZIF-8 Core-Shell Nanorod Film as a Gas Sensor with Excellent Selectivity for H 2 over CO</title><title>Chemistry : a European journal</title><addtitle>Chemistry</addtitle><description>The development of H
gas sensors is important for H
production as a fuel. In this work, a ZnO@ZIF-8 core-shell nanorod film is designed and synthesized as a gas sensor through a facile solution deposition process. This film shows an excellent selective response for H
over CO. By fine-tuning the reaction conditions, a ZnO@ZIF-8 core-shell structure with a thin, fine-grain, porous ZIF-8 shell is obtained. Owing to the facile H
penetration through the ZIF-8 thin shell (≈110 nm) and the increased oxygen vacancies for the complex film, the ZnO@ZIF-8 nanorod film shows a higher H
sensitivity than a raw ZnO nanorod film. More importantly, the ZnO@ZIF-8 nanorod film shows no response for CO at 200 °C. Because of the fine-grain confinement of the porous ZIF-8 shell (<140 nm), the molecular sieving effect is strengthened, which allows the effective separation of H
over CO. This work provides a promising strategy for the design of high-performance H
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gas sensors is important for H
production as a fuel. In this work, a ZnO@ZIF-8 core-shell nanorod film is designed and synthesized as a gas sensor through a facile solution deposition process. This film shows an excellent selective response for H
over CO. By fine-tuning the reaction conditions, a ZnO@ZIF-8 core-shell structure with a thin, fine-grain, porous ZIF-8 shell is obtained. Owing to the facile H
penetration through the ZIF-8 thin shell (≈110 nm) and the increased oxygen vacancies for the complex film, the ZnO@ZIF-8 nanorod film shows a higher H
sensitivity than a raw ZnO nanorod film. More importantly, the ZnO@ZIF-8 nanorod film shows no response for CO at 200 °C. Because of the fine-grain confinement of the porous ZIF-8 shell (<140 nm), the molecular sieving effect is strengthened, which allows the effective separation of H
over CO. This work provides a promising strategy for the design of high-performance H
sensors.</abstract><cop>Germany</cop><pmid>28422336</pmid><doi>10.1002/chem.201700320</doi><tpages>7</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| title | A Designed ZnO@ZIF-8 Core-Shell Nanorod Film as a Gas Sensor with Excellent Selectivity for H 2 over CO |
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