Superparamagnetic Behaviour and Surface Analysis of Fe3O4/PPY/CNT Nanocomposites
The superparamagnetic property of nanomaterials such as Fe3O4 has been considered to be promising for various applications. In this paper, Fe3O4/PPY/CNT nanocomposites were synthesized with utilizing natural iron sand by a coprecipitation method. The as-precipitated Fe3O4 NPs were combined with carb...
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| Veröffentlicht in: | Journal of nanomaterials 2020, Vol.2020 (2020), p.1-6 |
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| creator | Gultom, Noto Susanto Abdullah, Hairus Saragih, C. S. Simamora, Pintor Rajagukguk, Juniastel Imaduddin, Agung |
| description | The superparamagnetic property of nanomaterials such as Fe3O4 has been considered to be promising for various applications. In this paper, Fe3O4/PPY/CNT nanocomposites were synthesized with utilizing natural iron sand by a coprecipitation method. The as-precipitated Fe3O4 NPs were combined with carbon nanotubes (CNTs) using conductive polypyrrole (PPY) as linking agents. The Fe3O4/PPY/CNT nanocomposites were systematically characterized by FE-SEM, EDS, XRD, BET, and FTIR. Furthermore, the effects of CNTs on magnetic and thermal properties of nanocomposites were investigated by VSM and thermal gravimetric analysis (TGA), respectively. The composites exhibited significant decrease of coercivity value with the content of CNTs increasing. The VSM result confirmed that Fe3O4/PPY/CNT nanocomposites were superparamagnetic. It was found that by increasing the amounts of CNTs, the magnetization of Fe3O4/PPY/CNT nanocomposites gradually decreased. The addition of CNTs is intended to improve the mesoporous property as proved by BET analysis which has the potential application as a nanocatalyst. |
| doi_str_mv | 10.1155/2020/8174871 |
| format | Article |
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S. ; Simamora, Pintor ; Rajagukguk, Juniastel ; Imaduddin, Agung</creator><contributor>Singh, Bhanu P. ; Bhanu P Singh</contributor><creatorcontrib>Gultom, Noto Susanto ; Abdullah, Hairus ; Saragih, C. S. ; Simamora, Pintor ; Rajagukguk, Juniastel ; Imaduddin, Agung ; Singh, Bhanu P. ; Bhanu P Singh</creatorcontrib><description>The superparamagnetic property of nanomaterials such as Fe3O4 has been considered to be promising for various applications. In this paper, Fe3O4/PPY/CNT nanocomposites were synthesized with utilizing natural iron sand by a coprecipitation method. The as-precipitated Fe3O4 NPs were combined with carbon nanotubes (CNTs) using conductive polypyrrole (PPY) as linking agents. The Fe3O4/PPY/CNT nanocomposites were systematically characterized by FE-SEM, EDS, XRD, BET, and FTIR. Furthermore, the effects of CNTs on magnetic and thermal properties of nanocomposites were investigated by VSM and thermal gravimetric analysis (TGA), respectively. The composites exhibited significant decrease of coercivity value with the content of CNTs increasing. The VSM result confirmed that Fe3O4/PPY/CNT nanocomposites were superparamagnetic. It was found that by increasing the amounts of CNTs, the magnetization of Fe3O4/PPY/CNT nanocomposites gradually decreased. The addition of CNTs is intended to improve the mesoporous property as proved by BET analysis which has the potential application as a nanocatalyst.</description><identifier>ISSN: 1687-4110</identifier><identifier>EISSN: 1687-4129</identifier><identifier>DOI: 10.1155/2020/8174871</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>Carbon ; Carbon nanotubes ; Coercivity ; Gravimetric analysis ; Hyperthermia ; Iron oxides ; Magnetic properties ; Morphology ; Nanocomposites ; Nanomaterials ; Nanoparticles ; Particle size ; Polyethylene glycol ; Polypyrroles ; Spectrum analysis ; Surface analysis (chemical) ; Thermal analysis ; Thermodynamic properties</subject><ispartof>Journal of nanomaterials, 2020, Vol.2020 (2020), p.1-6</ispartof><rights>Copyright © 2020 Juniastel Rajagukguk et al.</rights><rights>Copyright © 2020 Juniastel Rajagukguk et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. https://creativecommons.org/licenses/by/4.0</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c360t-73c83c98b1029d0e912c3cf171b5782b0d8c456b1957763cbc5119090d2284333</citedby><cites>FETCH-LOGICAL-c360t-73c83c98b1029d0e912c3cf171b5782b0d8c456b1957763cbc5119090d2284333</cites><orcidid>0000-0001-5418-4296 ; 0000-0002-7273-4834 ; 0000-0002-1775-535X ; 0000-0003-3105-6042</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids></links><search><contributor>Singh, Bhanu P.</contributor><contributor>Bhanu P Singh</contributor><creatorcontrib>Gultom, Noto Susanto</creatorcontrib><creatorcontrib>Abdullah, Hairus</creatorcontrib><creatorcontrib>Saragih, C. 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The composites exhibited significant decrease of coercivity value with the content of CNTs increasing. The VSM result confirmed that Fe3O4/PPY/CNT nanocomposites were superparamagnetic. It was found that by increasing the amounts of CNTs, the magnetization of Fe3O4/PPY/CNT nanocomposites gradually decreased. 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S. ; Simamora, Pintor ; Rajagukguk, Juniastel ; Imaduddin, Agung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c360t-73c83c98b1029d0e912c3cf171b5782b0d8c456b1957763cbc5119090d2284333</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Carbon</topic><topic>Carbon nanotubes</topic><topic>Coercivity</topic><topic>Gravimetric analysis</topic><topic>Hyperthermia</topic><topic>Iron oxides</topic><topic>Magnetic properties</topic><topic>Morphology</topic><topic>Nanocomposites</topic><topic>Nanomaterials</topic><topic>Nanoparticles</topic><topic>Particle size</topic><topic>Polyethylene glycol</topic><topic>Polypyrroles</topic><topic>Spectrum analysis</topic><topic>Surface analysis (chemical)</topic><topic>Thermal analysis</topic><topic>Thermodynamic properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gultom, Noto Susanto</creatorcontrib><creatorcontrib>Abdullah, Hairus</creatorcontrib><creatorcontrib>Saragih, C. 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The Fe3O4/PPY/CNT nanocomposites were systematically characterized by FE-SEM, EDS, XRD, BET, and FTIR. Furthermore, the effects of CNTs on magnetic and thermal properties of nanocomposites were investigated by VSM and thermal gravimetric analysis (TGA), respectively. The composites exhibited significant decrease of coercivity value with the content of CNTs increasing. The VSM result confirmed that Fe3O4/PPY/CNT nanocomposites were superparamagnetic. It was found that by increasing the amounts of CNTs, the magnetization of Fe3O4/PPY/CNT nanocomposites gradually decreased. The addition of CNTs is intended to improve the mesoporous property as proved by BET analysis which has the potential application as a nanocatalyst.</abstract><cop>Cairo, Egypt</cop><pub>Hindawi Publishing Corporation</pub><doi>10.1155/2020/8174871</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0001-5418-4296</orcidid><orcidid>https://orcid.org/0000-0002-7273-4834</orcidid><orcidid>https://orcid.org/0000-0002-1775-535X</orcidid><orcidid>https://orcid.org/0000-0003-3105-6042</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Carbon Carbon nanotubes Coercivity Gravimetric analysis Hyperthermia Iron oxides Magnetic properties Morphology Nanocomposites Nanomaterials Nanoparticles Particle size Polyethylene glycol Polypyrroles Spectrum analysis Surface analysis (chemical) Thermal analysis Thermodynamic properties |
| title | Superparamagnetic Behaviour and Surface Analysis of Fe3O4/PPY/CNT Nanocomposites |
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