Characterization of porous graphitic monoliths from pyrolyzed wood
Porous graphitic carbons were obtained from wood precursors using Ni as a graphitization catalyst during pyrolysis. The structure of the resulting material retains that of the original wood precursors with highly aligned, hierarchical porosity. Thermal characterization was performed by means of ther...
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| Veröffentlicht in: | Journal of materials science 2014-11, Vol.49 (22), p.7688-7696 |
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| creator | Gutiérrez-Pardo, A. Ramírez-Rico, J. de Arellano-López, A. R. Martínez-Fernández, J. |
| description | Porous graphitic carbons were obtained from wood precursors using Ni as a graphitization catalyst during pyrolysis. The structure of the resulting material retains that of the original wood precursors with highly aligned, hierarchical porosity. Thermal characterization was performed by means of thermogravimetry and differential scanning calorimetry, and the onset temperature for graphitization was determined to be ~900 °C. Structural and microstructural characterization was performed by means of electron microscopy, electron and x-ray diffraction, and Raman spectroscopy. The effect of maximum pyrolysis temperature on the degree of graphitization was assessed. No significant temperature effect was detected by means of Raman scattering in the range of 1000–1400 °C, but at temperatures over the melting point of the catalyst, the formation of graphite grains with long-range order was detected. |
| doi_str_mv | 10.1007/s10853-014-8477-8 |
| format | Article |
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R. ; Martínez-Fernández, J.</creator><creatorcontrib>Gutiérrez-Pardo, A. ; Ramírez-Rico, J. ; de Arellano-López, A. R. ; Martínez-Fernández, J.</creatorcontrib><description>Porous graphitic carbons were obtained from wood precursors using Ni as a graphitization catalyst during pyrolysis. The structure of the resulting material retains that of the original wood precursors with highly aligned, hierarchical porosity. Thermal characterization was performed by means of thermogravimetry and differential scanning calorimetry, and the onset temperature for graphitization was determined to be ~900 °C. Structural and microstructural characterization was performed by means of electron microscopy, electron and x-ray diffraction, and Raman spectroscopy. The effect of maximum pyrolysis temperature on the degree of graphitization was assessed. No significant temperature effect was detected by means of Raman scattering in the range of 1000–1400 °C, but at temperatures over the melting point of the catalyst, the formation of graphite grains with long-range order was detected.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1007/s10853-014-8477-8</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Boron nitride ; Calorimetry ; Catalysis ; Catalysts ; Characterization and Evaluation of Materials ; Chemical properties ; Chemistry and Materials Science ; Classical Mechanics ; Crystallography and Scattering Methods ; Diffraction ; Graphitization ; Long range order ; Materials Science ; Melting points ; Polymer Sciences ; Porosity ; Precursors ; Pyrolysis ; Raman spectra ; Raman spectroscopy ; Solid Mechanics ; Structural analysis ; Temperature effects ; Thermodynamic properties ; Thermogravimetry ; X-rays</subject><ispartof>Journal of materials science, 2014-11, Vol.49 (22), p.7688-7696</ispartof><rights>Springer Science+Business Media New York 2014</rights><rights>COPYRIGHT 2014 Springer</rights><rights>Journal of Materials Science is a copyright of Springer, (2014). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c496t-af54f8b52890babf837de96373da5e055f889d2c68adb1fba817c516e9428f0f3</citedby><cites>FETCH-LOGICAL-c496t-af54f8b52890babf837de96373da5e055f889d2c68adb1fba817c516e9428f0f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10853-014-8477-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10853-014-8477-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Gutiérrez-Pardo, A.</creatorcontrib><creatorcontrib>Ramírez-Rico, J.</creatorcontrib><creatorcontrib>de Arellano-López, A. R.</creatorcontrib><creatorcontrib>Martínez-Fernández, J.</creatorcontrib><title>Characterization of porous graphitic monoliths from pyrolyzed wood</title><title>Journal of materials science</title><addtitle>J Mater Sci</addtitle><description>Porous graphitic carbons were obtained from wood precursors using Ni as a graphitization catalyst during pyrolysis. The structure of the resulting material retains that of the original wood precursors with highly aligned, hierarchical porosity. Thermal characterization was performed by means of thermogravimetry and differential scanning calorimetry, and the onset temperature for graphitization was determined to be ~900 °C. Structural and microstructural characterization was performed by means of electron microscopy, electron and x-ray diffraction, and Raman spectroscopy. The effect of maximum pyrolysis temperature on the degree of graphitization was assessed. No significant temperature effect was detected by means of Raman scattering in the range of 1000–1400 °C, but at temperatures over the melting point of the catalyst, the formation of graphite grains with long-range order was detected.</description><subject>Boron nitride</subject><subject>Calorimetry</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemical properties</subject><subject>Chemistry and Materials Science</subject><subject>Classical Mechanics</subject><subject>Crystallography and Scattering Methods</subject><subject>Diffraction</subject><subject>Graphitization</subject><subject>Long range order</subject><subject>Materials Science</subject><subject>Melting points</subject><subject>Polymer Sciences</subject><subject>Porosity</subject><subject>Precursors</subject><subject>Pyrolysis</subject><subject>Raman spectra</subject><subject>Raman spectroscopy</subject><subject>Solid Mechanics</subject><subject>Structural analysis</subject><subject>Temperature effects</subject><subject>Thermodynamic properties</subject><subject>Thermogravimetry</subject><subject>X-rays</subject><issn>0022-2461</issn><issn>1573-4803</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kV1LwzAUhoMoOKc_wLuCV150nqRNk17O4cdgIPhxHdI26TK2piYZuv16MyrILuRcBA7Pk5yTF6FrDBMMwO48Bk6zFHCe8pyxlJ-gEaYsS3MO2SkaARCSkrzA5-jC-xUAUEbwCN3PltLJOihn9jIY2yVWJ711duuT1sl-aYKpk43t7NqEpU-0s5uk3zm73u1Vk3xZ21yiMy3XXl39nmP08fjwPntOFy9P89l0kdZ5WYRUapprXlHCS6hkpXnGGlUWGcsaSRVQqjkvG1IXXDYV1pXkmNUUF6rMCdegszG6Ge7tnf3cKh_Eym5dF58UhNCS5bgEEqnJQLVyrYTptA1xv1iN2pjadkqb2J9m8Zc4lBhH4fZIiExQ36GVW-_F_O31mMUDWzvrvVNa9M5spNsJDOKQgxhyEDEHcchB8OiQwfGR7Vrl_sb-X_oBDGiKSg</recordid><startdate>20141101</startdate><enddate>20141101</enddate><creator>Gutiérrez-Pardo, A.</creator><creator>Ramírez-Rico, J.</creator><creator>de Arellano-López, A. 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R. ; Martínez-Fernández, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c496t-af54f8b52890babf837de96373da5e055f889d2c68adb1fba817c516e9428f0f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Boron nitride</topic><topic>Calorimetry</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemical properties</topic><topic>Chemistry and Materials Science</topic><topic>Classical Mechanics</topic><topic>Crystallography and Scattering Methods</topic><topic>Diffraction</topic><topic>Graphitization</topic><topic>Long range order</topic><topic>Materials Science</topic><topic>Melting points</topic><topic>Polymer Sciences</topic><topic>Porosity</topic><topic>Precursors</topic><topic>Pyrolysis</topic><topic>Raman spectra</topic><topic>Raman spectroscopy</topic><topic>Solid Mechanics</topic><topic>Structural analysis</topic><topic>Temperature effects</topic><topic>Thermodynamic properties</topic><topic>Thermogravimetry</topic><topic>X-rays</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gutiérrez-Pardo, A.</creatorcontrib><creatorcontrib>Ramírez-Rico, J.</creatorcontrib><creatorcontrib>de Arellano-López, A. 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Structural and microstructural characterization was performed by means of electron microscopy, electron and x-ray diffraction, and Raman spectroscopy. The effect of maximum pyrolysis temperature on the degree of graphitization was assessed. No significant temperature effect was detected by means of Raman scattering in the range of 1000–1400 °C, but at temperatures over the melting point of the catalyst, the formation of graphite grains with long-range order was detected.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s10853-014-8477-8</doi><tpages>9</tpages></addata></record> |
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| subjects | Boron nitride Calorimetry Catalysis Catalysts Characterization and Evaluation of Materials Chemical properties Chemistry and Materials Science Classical Mechanics Crystallography and Scattering Methods Diffraction Graphitization Long range order Materials Science Melting points Polymer Sciences Porosity Precursors Pyrolysis Raman spectra Raman spectroscopy Solid Mechanics Structural analysis Temperature effects Thermodynamic properties Thermogravimetry X-rays |
| title | Characterization of porous graphitic monoliths from pyrolyzed wood |
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