Surface reactive species on MnO sub(x)(0.4)-CeO sub(2) catalysts towards soot oxidation assisted with pulse dielectric barrier discharge
MnO sub(x)(0.4)-CeO sub(2) was investigated for soot oxidation assisted with a pulse dielectric barrier discharge (DBD). The catalysts were evaluated and characterized with TPO (temperature programmed oxidation), X-ray diffraction (XRD), Raman and X-ray photoelectron spectroscopy (XPS). The ignition...
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| Veröffentlicht in: | Journal of rare earths 2014-02, Vol.32 (2), p.153-158 |
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| creator | FU, Mingli LIN, Junmin ZHU, Wenbo WU, Junliang CHEN, Limin HUANG, Bichun YE, Daiqi |
| description | MnO sub(x)(0.4)-CeO sub(2) was investigated for soot oxidation assisted with a pulse dielectric barrier discharge (DBD). The catalysts were evaluated and characterized with TPO (temperature programmed oxidation), X-ray diffraction (XRD), Raman and X-ray photoelectron spectroscopy (XPS). The ignition temperature T sub(i) for soot oxidation decreased from 240.8 to 216.4 [degrees]C with the increase of the pulse DBD frequencies from 50 to 400 Hz, lower than that of the case without pulse DBD present (253.4 [degrees]C). The results of XRD, Raman and XPS agreed well with the TPO activities of MnO sub(x)(0.4)-CeO sub(2) towards soot oxidation. More solid solution of ceria and manganese, and surface reactive species including O super(2-), O super(-) and Mn super(4+) were responsible for the enhancement of soot oxidation due to pulse DBD injection in the present study. For solid solution favors to the activation and transformation of those species, which are believed to be involved in the soot oxidation in a hybrid catalysis-plasma. |
| doi_str_mv | 10.1016/S1002-0721(14)60045-4 |
| format | Article |
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The catalysts were evaluated and characterized with TPO (temperature programmed oxidation), X-ray diffraction (XRD), Raman and X-ray photoelectron spectroscopy (XPS). The ignition temperature T sub(i) for soot oxidation decreased from 240.8 to 216.4 [degrees]C with the increase of the pulse DBD frequencies from 50 to 400 Hz, lower than that of the case without pulse DBD present (253.4 [degrees]C). The results of XRD, Raman and XPS agreed well with the TPO activities of MnO sub(x)(0.4)-CeO sub(2) towards soot oxidation. More solid solution of ceria and manganese, and surface reactive species including O super(2-), O super(-) and Mn super(4+) were responsible for the enhancement of soot oxidation due to pulse DBD injection in the present study. For solid solution favors to the activation and transformation of those species, which are believed to be involved in the soot oxidation in a hybrid catalysis-plasma.</description><identifier>ISSN: 1002-0721</identifier><identifier>DOI: 10.1016/S1002-0721(14)60045-4</identifier><language>eng</language><subject>Catalysis ; Catalysts ; Oxidation ; Rare earth metals ; Solid solutions ; Soot ; X-ray photoelectron spectroscopy ; X-rays</subject><ispartof>Journal of rare earths, 2014-02, Vol.32 (2), p.153-158</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></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></links><search><creatorcontrib>FU, Mingli</creatorcontrib><creatorcontrib>LIN, Junmin</creatorcontrib><creatorcontrib>ZHU, Wenbo</creatorcontrib><creatorcontrib>WU, Junliang</creatorcontrib><creatorcontrib>CHEN, Limin</creatorcontrib><creatorcontrib>HUANG, Bichun</creatorcontrib><creatorcontrib>YE, Daiqi</creatorcontrib><title>Surface reactive species on MnO sub(x)(0.4)-CeO sub(2) catalysts towards soot oxidation assisted with pulse dielectric barrier discharge</title><title>Journal of rare earths</title><description>MnO sub(x)(0.4)-CeO sub(2) was investigated for soot oxidation assisted with a pulse dielectric barrier discharge (DBD). The catalysts were evaluated and characterized with TPO (temperature programmed oxidation), X-ray diffraction (XRD), Raman and X-ray photoelectron spectroscopy (XPS). The ignition temperature T sub(i) for soot oxidation decreased from 240.8 to 216.4 [degrees]C with the increase of the pulse DBD frequencies from 50 to 400 Hz, lower than that of the case without pulse DBD present (253.4 [degrees]C). The results of XRD, Raman and XPS agreed well with the TPO activities of MnO sub(x)(0.4)-CeO sub(2) towards soot oxidation. More solid solution of ceria and manganese, and surface reactive species including O super(2-), O super(-) and Mn super(4+) were responsible for the enhancement of soot oxidation due to pulse DBD injection in the present study. For solid solution favors to the activation and transformation of those species, which are believed to be involved in the soot oxidation in a hybrid catalysis-plasma.</description><subject>Catalysis</subject><subject>Catalysts</subject><subject>Oxidation</subject><subject>Rare earth metals</subject><subject>Solid solutions</subject><subject>Soot</subject><subject>X-ray photoelectron spectroscopy</subject><subject>X-rays</subject><issn>1002-0721</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFjstOwzAURL0AiVL4BCQv00XK9TPJElW8pKIu2n3l2DfUKDTBdmj5Az6bSEVsWY1mdGY0hNwwmDNg-nbNAHgOBWcZkzMNIFUuz8jkL74glzG-AYhCVTAh3-shNMYiDWhs8p9IY4_WY6Tdnr7sVzQOdXacZTCXs3yBJ89n1Jpk2q-YIk3dwQQXaey6RLujdyb5sWti9DGhowefdrQf2ojUeWzRpuAtrU0IHsMYRbsz4RWvyHljRuj6V6dk83C_WTzly9Xj8-JumfdaF7krrbFaojGouRN1zcsSsOSGy0aXTd2A1YUebcWlFUo60JVUslFcoZYOxZRkp9k-dB8DxrR9Hx9g25o9dkPcMl0UVSVKUfyPKsWglKCE-AHAhnMg</recordid><startdate>20140201</startdate><enddate>20140201</enddate><creator>FU, Mingli</creator><creator>LIN, Junmin</creator><creator>ZHU, Wenbo</creator><creator>WU, Junliang</creator><creator>CHEN, Limin</creator><creator>HUANG, Bichun</creator><creator>YE, Daiqi</creator><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140201</creationdate><title>Surface reactive species on MnO sub(x)(0.4)-CeO sub(2) catalysts towards soot oxidation assisted with pulse dielectric barrier discharge</title><author>FU, Mingli ; LIN, Junmin ; ZHU, Wenbo ; WU, Junliang ; CHEN, Limin ; HUANG, Bichun ; YE, Daiqi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p667-d8cac64eaae62d3bb2880e82a24f68fbf0c6762a2924c354d069454f525e64de3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Catalysis</topic><topic>Catalysts</topic><topic>Oxidation</topic><topic>Rare earth metals</topic><topic>Solid solutions</topic><topic>Soot</topic><topic>X-ray photoelectron spectroscopy</topic><topic>X-rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>FU, Mingli</creatorcontrib><creatorcontrib>LIN, Junmin</creatorcontrib><creatorcontrib>ZHU, Wenbo</creatorcontrib><creatorcontrib>WU, Junliang</creatorcontrib><creatorcontrib>CHEN, Limin</creatorcontrib><creatorcontrib>HUANG, Bichun</creatorcontrib><creatorcontrib>YE, Daiqi</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of rare earths</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>FU, Mingli</au><au>LIN, Junmin</au><au>ZHU, Wenbo</au><au>WU, Junliang</au><au>CHEN, Limin</au><au>HUANG, Bichun</au><au>YE, Daiqi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Surface reactive species on MnO sub(x)(0.4)-CeO sub(2) catalysts towards soot oxidation assisted with pulse dielectric barrier discharge</atitle><jtitle>Journal of rare earths</jtitle><date>2014-02-01</date><risdate>2014</risdate><volume>32</volume><issue>2</issue><spage>153</spage><epage>158</epage><pages>153-158</pages><issn>1002-0721</issn><abstract>MnO sub(x)(0.4)-CeO sub(2) was investigated for soot oxidation assisted with a pulse dielectric barrier discharge (DBD). The catalysts were evaluated and characterized with TPO (temperature programmed oxidation), X-ray diffraction (XRD), Raman and X-ray photoelectron spectroscopy (XPS). The ignition temperature T sub(i) for soot oxidation decreased from 240.8 to 216.4 [degrees]C with the increase of the pulse DBD frequencies from 50 to 400 Hz, lower than that of the case without pulse DBD present (253.4 [degrees]C). The results of XRD, Raman and XPS agreed well with the TPO activities of MnO sub(x)(0.4)-CeO sub(2) towards soot oxidation. More solid solution of ceria and manganese, and surface reactive species including O super(2-), O super(-) and Mn super(4+) were responsible for the enhancement of soot oxidation due to pulse DBD injection in the present study. For solid solution favors to the activation and transformation of those species, which are believed to be involved in the soot oxidation in a hybrid catalysis-plasma.</abstract><doi>10.1016/S1002-0721(14)60045-4</doi><tpages>6</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals; Alma/SFX Local Collection |
| subjects | Catalysis Catalysts Oxidation Rare earth metals Solid solutions Soot X-ray photoelectron spectroscopy X-rays |
| title | Surface reactive species on MnO sub(x)(0.4)-CeO sub(2) catalysts towards soot oxidation assisted with pulse dielectric barrier discharge |
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