Synthesis, characterization and catalytic performance of metal-containing mesoporous carbons for styrene production
[Display omitted] ► TEM image showed highly ordered carbons with a high graphitisation degree. ► Increased surface area. ► Pt nanoparticles were attached inside MWCNT structure. ► Highly active in oxydehydrogenation of ethylbenzene. Metal-containing ordered carbons were synthesised and characterised...
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| Veröffentlicht in: | Applied catalysis. A, General General, 2011-03, Vol.395 (1), p.53-63 |
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| creator | Lima, Cleanio L. Campos, Othon S. Oliveira, Alcemira C. de Sousa, Francisco F. Filho, Josué M. Neto, Pedro L. Correia, Adriana N. Sabadia, Gabriel Q. Nogueira, Izabel M. Pinheiro, Gardenia S. Oliveira, Alcineia C. |
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► TEM image showed highly ordered carbons with a high graphitisation degree. ► Increased surface area. ► Pt nanoparticles were attached inside MWCNT structure. ► Highly active in oxydehydrogenation of ethylbenzene.
Metal-containing ordered carbons were synthesised and characterised by TEM, SEM, XRD, textural properties and Raman spectroscopy. The solids were evaluated in the ethylbenzene oxydehydrogention for styrene production. XRD and Raman studies showed highly ordered carbons with a high graphitisation degree and increased surface area when Pt nanoparticles were attached inside MWCNT structure, whereas Ni produced larger, inner nanoparticles with a lower organisation degree due to additional carbon growth on the top nickel particles. However, poorly graphitised carbon structures were obtained by incorporating Fe and Cu nanoparticles, which were deposited on the carbon surface. Studies of stability in the ethylbenzene dehydrogenation were done based on the physicochemical properties of the solids revealed that the stability of the metal-containing carbons was significantly improved through modification with Pt. |
| doi_str_mv | 10.1016/j.apcata.2011.01.023 |
| format | Article |
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► TEM image showed highly ordered carbons with a high graphitisation degree. ► Increased surface area. ► Pt nanoparticles were attached inside MWCNT structure. ► Highly active in oxydehydrogenation of ethylbenzene.
Metal-containing ordered carbons were synthesised and characterised by TEM, SEM, XRD, textural properties and Raman spectroscopy. The solids were evaluated in the ethylbenzene oxydehydrogention for styrene production. XRD and Raman studies showed highly ordered carbons with a high graphitisation degree and increased surface area when Pt nanoparticles were attached inside MWCNT structure, whereas Ni produced larger, inner nanoparticles with a lower organisation degree due to additional carbon growth on the top nickel particles. However, poorly graphitised carbon structures were obtained by incorporating Fe and Cu nanoparticles, which were deposited on the carbon surface. Studies of stability in the ethylbenzene dehydrogenation were done based on the physicochemical properties of the solids revealed that the stability of the metal-containing carbons was significantly improved through modification with Pt.</description><identifier>ISSN: 0926-860X</identifier><identifier>EISSN: 1873-3875</identifier><identifier>DOI: 10.1016/j.apcata.2011.01.023</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Carbon ; Catalysis ; Characterizations ; Chemistry ; Colloidal state and disperse state ; Dehydrogenation ; Ethylbenzene ; Exact sciences and technology ; General and physical chemistry ; Metal-containing carbon ; Nanoparticles ; Nickel ; Physical and chemical studies. Granulometry. Electrokinetic phenomena ; Platinum ; Porous materials ; Stability ; Styrene ; Styrenes ; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry</subject><ispartof>Applied catalysis. A, General, 2011-03, Vol.395 (1), p.53-63</ispartof><rights>2011 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c405t-ca00f5e4d570eaaa0b262e39d69cee254b7aaa11e3f2681a092a8b3a205443933</citedby><cites>FETCH-LOGICAL-c405t-ca00f5e4d570eaaa0b262e39d69cee254b7aaa11e3f2681a092a8b3a205443933</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.apcata.2011.01.023$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23923987$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Lima, Cleanio L.</creatorcontrib><creatorcontrib>Campos, Othon S.</creatorcontrib><creatorcontrib>Oliveira, Alcemira C.</creatorcontrib><creatorcontrib>de Sousa, Francisco F.</creatorcontrib><creatorcontrib>Filho, Josué M.</creatorcontrib><creatorcontrib>Neto, Pedro L.</creatorcontrib><creatorcontrib>Correia, Adriana N.</creatorcontrib><creatorcontrib>Sabadia, Gabriel Q.</creatorcontrib><creatorcontrib>Nogueira, Izabel M.</creatorcontrib><creatorcontrib>Pinheiro, Gardenia S.</creatorcontrib><creatorcontrib>Oliveira, Alcineia C.</creatorcontrib><title>Synthesis, characterization and catalytic performance of metal-containing mesoporous carbons for styrene production</title><title>Applied catalysis. A, General</title><description>[Display omitted]
► TEM image showed highly ordered carbons with a high graphitisation degree. ► Increased surface area. ► Pt nanoparticles were attached inside MWCNT structure. ► Highly active in oxydehydrogenation of ethylbenzene.
Metal-containing ordered carbons were synthesised and characterised by TEM, SEM, XRD, textural properties and Raman spectroscopy. The solids were evaluated in the ethylbenzene oxydehydrogention for styrene production. XRD and Raman studies showed highly ordered carbons with a high graphitisation degree and increased surface area when Pt nanoparticles were attached inside MWCNT structure, whereas Ni produced larger, inner nanoparticles with a lower organisation degree due to additional carbon growth on the top nickel particles. However, poorly graphitised carbon structures were obtained by incorporating Fe and Cu nanoparticles, which were deposited on the carbon surface. Studies of stability in the ethylbenzene dehydrogenation were done based on the physicochemical properties of the solids revealed that the stability of the metal-containing carbons was significantly improved through modification with Pt.</description><subject>Carbon</subject><subject>Catalysis</subject><subject>Characterizations</subject><subject>Chemistry</subject><subject>Colloidal state and disperse state</subject><subject>Dehydrogenation</subject><subject>Ethylbenzene</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Metal-containing carbon</subject><subject>Nanoparticles</subject><subject>Nickel</subject><subject>Physical and chemical studies. Granulometry. Electrokinetic phenomena</subject><subject>Platinum</subject><subject>Porous materials</subject><subject>Stability</subject><subject>Styrene</subject><subject>Styrenes</subject><subject>Theory of reactions, general kinetics. Catalysis. 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A, General</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lima, Cleanio L.</au><au>Campos, Othon S.</au><au>Oliveira, Alcemira C.</au><au>de Sousa, Francisco F.</au><au>Filho, Josué M.</au><au>Neto, Pedro L.</au><au>Correia, Adriana N.</au><au>Sabadia, Gabriel Q.</au><au>Nogueira, Izabel M.</au><au>Pinheiro, Gardenia S.</au><au>Oliveira, Alcineia C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis, characterization and catalytic performance of metal-containing mesoporous carbons for styrene production</atitle><jtitle>Applied catalysis. A, General</jtitle><date>2011-03-15</date><risdate>2011</risdate><volume>395</volume><issue>1</issue><spage>53</spage><epage>63</epage><pages>53-63</pages><issn>0926-860X</issn><eissn>1873-3875</eissn><abstract>[Display omitted]
► TEM image showed highly ordered carbons with a high graphitisation degree. ► Increased surface area. ► Pt nanoparticles were attached inside MWCNT structure. ► Highly active in oxydehydrogenation of ethylbenzene.
Metal-containing ordered carbons were synthesised and characterised by TEM, SEM, XRD, textural properties and Raman spectroscopy. The solids were evaluated in the ethylbenzene oxydehydrogention for styrene production. XRD and Raman studies showed highly ordered carbons with a high graphitisation degree and increased surface area when Pt nanoparticles were attached inside MWCNT structure, whereas Ni produced larger, inner nanoparticles with a lower organisation degree due to additional carbon growth on the top nickel particles. However, poorly graphitised carbon structures were obtained by incorporating Fe and Cu nanoparticles, which were deposited on the carbon surface. Studies of stability in the ethylbenzene dehydrogenation were done based on the physicochemical properties of the solids revealed that the stability of the metal-containing carbons was significantly improved through modification with Pt.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.apcata.2011.01.023</doi><tpages>11</tpages></addata></record> |
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| subjects | Carbon Catalysis Characterizations Chemistry Colloidal state and disperse state Dehydrogenation Ethylbenzene Exact sciences and technology General and physical chemistry Metal-containing carbon Nanoparticles Nickel Physical and chemical studies. Granulometry. Electrokinetic phenomena Platinum Porous materials Stability Styrene Styrenes Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry |
| title | Synthesis, characterization and catalytic performance of metal-containing mesoporous carbons for styrene production |
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