Controlled synthesis of Pd/CoOx–InOx nanofibers for low-temperature CO oxidation reaction

Herein, we report a series of Pd/CoOx–InOx nanofibers with different morphologies (such as nanofibers, porous nanofibers and bead-like nanofibers) via electrospinning, annealing and impregnation methods. The Pd/CoOx–InOx-500 sample, which was annealed at 500 °C, exhibited the best CO performance wit...

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Veröffentlicht in:	New journal of chemistry 2019-10, Vol.43 (37), p.14872-14882
Hauptverfasser:	Du, Xuebi, Han, Weiliang, Tang, Zhicheng, Zhang, Jiyi
Format:	Artikel
Sprache:	eng
Schlagworte:	Annealing Catalysis Catalysts Cobalt oxides Infrared spectroscopy Low temperature Morphology Nanofibers Oxidation Raman spectroscopy X ray photoelectron spectroscopy
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creator	Du, Xuebi Han, Weiliang Tang, Zhicheng Zhang, Jiyi
description	Herein, we report a series of Pd/CoOx–InOx nanofibers with different morphologies (such as nanofibers, porous nanofibers and bead-like nanofibers) via electrospinning, annealing and impregnation methods. The Pd/CoOx–InOx-500 sample, which was annealed at 500 °C, exhibited the best CO performance with T90 = 57 °C. The samples were characterized via SEM, BET, TEM, XRD, H2-TPR, CO-TPR, FT-IR, Raman spectroscopy and XPS. According to the results, the Pd/CoOx–InOx-500 catalyst possessed the largest surface area, highest dispersion and smallest size Pd species compared to that of Pd/CoOx–InOx-600 and Pd/CoOx–InOx-700. Thus, the Pd/CoOx–InOx-500 catalyst can be considered a promising candidate for CO oxidation.
doi_str_mv	10.1039/c9nj03055g
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The Pd/CoOx–InOx-500 sample, which was annealed at 500 °C, exhibited the best CO performance with T90 = 57 °C. The samples were characterized via SEM, BET, TEM, XRD, H2-TPR, CO-TPR, FT-IR, Raman spectroscopy and XPS. According to the results, the Pd/CoOx–InOx-500 catalyst possessed the largest surface area, highest dispersion and smallest size Pd species compared to that of Pd/CoOx–InOx-600 and Pd/CoOx–InOx-700. 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The Pd/CoOx–InOx-500 sample, which was annealed at 500 °C, exhibited the best CO performance with T90 = 57 °C. The samples were characterized via SEM, BET, TEM, XRD, H2-TPR, CO-TPR, FT-IR, Raman spectroscopy and XPS. According to the results, the Pd/CoOx–InOx-500 catalyst possessed the largest surface area, highest dispersion and smallest size Pd species compared to that of Pd/CoOx–InOx-600 and Pd/CoOx–InOx-700. Thus, the Pd/CoOx–InOx-500 catalyst can be considered a promising candidate for CO oxidation.</description><subject>Annealing</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Cobalt oxides</subject><subject>Infrared spectroscopy</subject><subject>Low temperature</subject><subject>Morphology</subject><subject>Nanofibers</subject><subject>Oxidation</subject><subject>Raman spectroscopy</subject><subject>X ray photoelectron spectroscopy</subject><issn>1144-0546</issn><issn>1369-9261</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNotjctKxDAYRoMoOI5ufIKA6zr5c-llKcXLwEBd6MrFkOaiLTWpSYp15zv4hj6JFV2dAwe-D6FzIJdAWLVRlesJI0I8H6AVsLzKKprD4eLAeUYEz4_RSYw9IQBFDiv0VHuXgh8Go3H8cOnFxC5ib_G93tS-mb8_v7aumbGTztuuNSFi6wMe_HuWzOtogkxTMLhusJ87LVPnHQ5Gql85RUdWDtGc_XONHm-uH-q7bNfcbuurXTYCsJRZ4Fq0VOeEcgqcFKQFpSQr8hYkVyBtKRnXpTKFJsLSQtOSLpkLy1UhKFuji7_dMfi3ycS07_0U3HK5p7QSHAQvBfsB8RVVew</recordid><startdate>20191007</startdate><enddate>20191007</enddate><creator>Du, Xuebi</creator><creator>Han, Weiliang</creator><creator>Tang, Zhicheng</creator><creator>Zhang, Jiyi</creator><general>Royal Society of Chemistry</general><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>H9R</scope><scope>JG9</scope><scope>KA0</scope></search><sort><creationdate>20191007</creationdate><title>Controlled synthesis of Pd/CoOx–InOx nanofibers for low-temperature CO oxidation reaction</title><author>Du, Xuebi ; Han, Weiliang ; Tang, Zhicheng ; Zhang, Jiyi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p113t-f14d5b2d6024214070b1cca376b1a4c1af8a34d8ce7d05f27d282a3745f4c7523</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Annealing</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Cobalt oxides</topic><topic>Infrared spectroscopy</topic><topic>Low temperature</topic><topic>Morphology</topic><topic>Nanofibers</topic><topic>Oxidation</topic><topic>Raman spectroscopy</topic><topic>X ray photoelectron spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Du, Xuebi</creatorcontrib><creatorcontrib>Han, Weiliang</creatorcontrib><creatorcontrib>Tang, Zhicheng</creatorcontrib><creatorcontrib>Zhang, Jiyi</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Illustrata: Natural Sciences</collection><collection>Materials Research Database</collection><collection>ProQuest Illustrata: Technology Collection</collection><jtitle>New journal of chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Du, Xuebi</au><au>Han, Weiliang</au><au>Tang, Zhicheng</au><au>Zhang, Jiyi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Controlled synthesis of Pd/CoOx–InOx nanofibers for low-temperature CO oxidation reaction</atitle><jtitle>New journal of chemistry</jtitle><date>2019-10-07</date><risdate>2019</risdate><volume>43</volume><issue>37</issue><spage>14872</spage><epage>14882</epage><pages>14872-14882</pages><issn>1144-0546</issn><eissn>1369-9261</eissn><abstract>Herein, we report a series of Pd/CoOx–InOx nanofibers with different morphologies (such as nanofibers, porous nanofibers and bead-like nanofibers) via electrospinning, annealing and impregnation methods. The Pd/CoOx–InOx-500 sample, which was annealed at 500 °C, exhibited the best CO performance with T90 = 57 °C. The samples were characterized via SEM, BET, TEM, XRD, H2-TPR, CO-TPR, FT-IR, Raman spectroscopy and XPS. According to the results, the Pd/CoOx–InOx-500 catalyst possessed the largest surface area, highest dispersion and smallest size Pd species compared to that of Pd/CoOx–InOx-600 and Pd/CoOx–InOx-700. Thus, the Pd/CoOx–InOx-500 catalyst can be considered a promising candidate for CO oxidation.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/c9nj03055g</doi><tpages>11</tpages></addata></record>
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subjects	Annealing Catalysis Catalysts Cobalt oxides Infrared spectroscopy Low temperature Morphology Nanofibers Oxidation Raman spectroscopy X ray photoelectron spectroscopy
title	Controlled synthesis of Pd/CoOx–InOx nanofibers for low-temperature CO oxidation reaction
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