Enhancing graphitization and mesoporosity by cobalt in activated carbons obtained from peach stone
Activated carbon (AC) is a common material of choice in catalysis, as it is a suitable support material for many catalytic reactions. In this work, the effect of cobalt nanoparticles on activated carbon derived from a biomass waste, peach stone, is reported. The presence of cobalt during heat treatm...
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| Veröffentlicht in: | Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology 2024-05, Vol.26 (5), p.81, Article 81 |
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| container_title | Journal of nanoparticle research : an interdisciplinary forum for nanoscale science and technology |
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| creator | Campello-Gómez, Ignacio Cruz, Orlando F. Rambo, Carlos R. Ramos-Fernández, Enrique V. Sepúlveda-Escribano, Antonio |
| description | Activated carbon (AC) is a common material of choice in catalysis, as it is a suitable support material for many catalytic reactions. In this work, the effect of cobalt nanoparticles on activated carbon derived from a biomass waste, peach stone, is reported. The presence of cobalt during heat treatments at 900 °C under reductive (H
2
) and inert (He) atmospheres resulted in the appearance of an intense 2D band in the Raman spectra, indicating a high degree of graphitization. Temperature-programmed reduction and desorption experiments were conducted to evaluate the activation reactions. Quenched solid density functional theory (QSDFT) analysis using N
2
adsorption data revealed that cobalt increased pore development in the samples, regardless of the atmosphere (reductive or inert) used. |
| doi_str_mv | 10.1007/s11051-024-05999-0 |
| format | Article |
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2
) and inert (He) atmospheres resulted in the appearance of an intense 2D band in the Raman spectra, indicating a high degree of graphitization. Temperature-programmed reduction and desorption experiments were conducted to evaluate the activation reactions. Quenched solid density functional theory (QSDFT) analysis using N
2
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2
) and inert (He) atmospheres resulted in the appearance of an intense 2D band in the Raman spectra, indicating a high degree of graphitization. Temperature-programmed reduction and desorption experiments were conducted to evaluate the activation reactions. Quenched solid density functional theory (QSDFT) analysis using N
2
adsorption data revealed that cobalt increased pore development in the samples, regardless of the atmosphere (reductive or inert) used.</description><subject>Activated carbon</subject><subject>Adsorption</subject><subject>Catalysis</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Cobalt</subject><subject>Density functional theory</subject><subject>Graphitization</subject><subject>Heat treatment</subject><subject>Heat treatments</subject><subject>Hydrogen</subject><subject>Inorganic Chemistry</subject><subject>Lasers</subject><subject>Materials Science</subject><subject>Microscopy</subject><subject>Nanoparticles</subject><subject>Nanotechnology</subject><subject>Nitrates</subject><subject>Nitrogen</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Original Research</subject><subject>Photonics</subject><subject>Physical Chemistry</subject><subject>Pollutants</subject><subject>Radiation</subject><subject>Raman spectra</subject><subject>Raman spectroscopy</subject><subject>Stone</subject><issn>1388-0764</issn><issn>1572-896X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kE9LAzEQxRdRUKtfwFPA8-okm-xujiL1DwheFLyFSTbbprTJmqRC_fRGK3jzNMPMe2-YX1VdULiiAN11ohQErYHxGoSUsoaD6oSKjtW9bN8OS9_0fQ1dy4-r05RWALRlkp1Ueu6X6I3zC7KIOC1ddp-YXfAE_UA2NoUpxJBc3hG9IyZoXGfiytZk94HZDsRg1MEnEnRG58tgjGFDJotmSVIO3p5VRyOukz3_rbPq9W7-cvtQPz3fP97ePNWGdZBr0fBOdFIK2yBK3SM3aGQ_SsGHUaBmA4UB0HagWYd0NJZT22sjWt4McmiaWXW5z51ieN_alNUqbKMvJ1UDvGW8p0wWFdurTHkrRTuqKboNxp2ioL5Zqj1LVViqH5YKiqnZm1IR-4WNf9H_uL4AU_d5Fw</recordid><startdate>20240501</startdate><enddate>20240501</enddate><creator>Campello-Gómez, Ignacio</creator><creator>Cruz, Orlando F.</creator><creator>Rambo, Carlos R.</creator><creator>Ramos-Fernández, Enrique V.</creator><creator>Sepúlveda-Escribano, Antonio</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>7U7</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>K9.</scope><scope>L7M</scope><scope>P64</scope><orcidid>https://orcid.org/0000-0001-5192-7277</orcidid></search><sort><creationdate>20240501</creationdate><title>Enhancing graphitization and mesoporosity by cobalt in activated carbons obtained from peach stone</title><author>Campello-Gómez, Ignacio ; 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2
) and inert (He) atmospheres resulted in the appearance of an intense 2D band in the Raman spectra, indicating a high degree of graphitization. Temperature-programmed reduction and desorption experiments were conducted to evaluate the activation reactions. Quenched solid density functional theory (QSDFT) analysis using N
2
adsorption data revealed that cobalt increased pore development in the samples, regardless of the atmosphere (reductive or inert) used.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s11051-024-05999-0</doi><orcidid>https://orcid.org/0000-0001-5192-7277</orcidid></addata></record> |
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| subjects | Activated carbon Adsorption Catalysis Characterization and Evaluation of Materials Chemistry and Materials Science Cobalt Density functional theory Graphitization Heat treatment Heat treatments Hydrogen Inorganic Chemistry Lasers Materials Science Microscopy Nanoparticles Nanotechnology Nitrates Nitrogen Optical Devices Optics Original Research Photonics Physical Chemistry Pollutants Radiation Raman spectra Raman spectroscopy Stone |
| title | Enhancing graphitization and mesoporosity by cobalt in activated carbons obtained from peach stone |
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