Synthesis of Porous Carbon Spheres Embedded with Iron Oxide Nanoparticles for Sensing Devices and Methylene Blue Adsorption
Nanostructured materials containing iron oxide and carbon were synthesised using chitosan and iron chloride as chemical precursors in different proportions. These materials were applied as adsorbents and methanol sensors. The sample's characterisation used thermal analysis, temperature-programm...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)
2025-07-01
|
| Series: | Materials Research |
| Subjects: | |
| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392025000200248&lng=en&tlng=en |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1839629261073285120 |
|---|---|
| author | João Felipe da Silva Barros Bárbara Maria Campos Sales Ícaro Gusmão Pinto Vieira Regina Claudia Rodrigues dos Santos Antoninho Valentini |
| author_facet | João Felipe da Silva Barros Bárbara Maria Campos Sales Ícaro Gusmão Pinto Vieira Regina Claudia Rodrigues dos Santos Antoninho Valentini |
| author_sort | João Felipe da Silva Barros |
| collection | DOAJ |
| description | Nanostructured materials containing iron oxide and carbon were synthesised using chitosan and iron chloride as chemical precursors in different proportions. These materials were applied as adsorbents and methanol sensors. The sample's characterisation used thermal analysis, temperature-programmed oxidation, infrared spectroscopy, X-ray diffraction, temperature-programmed reduction, Raman spectroscopy, and scanning electron microscopy. The characterisations confirmed the formation of a sp2 carbon matrix with iron embedded within it. The presence of functional groups on the carbon structure was also confirmed, and they were introduced through treatment with an acidic solution to produce the sensor. The sensor’s response to methanol was measured at different temperatures and concentrations. The results suggest good response and reproducibility of the sensor, which was synthesised using a straightforward method. The adsorption of methylene blue from an aqueous solution indicated a strong affinity between the adsorbent and the adsorbate, and the material's magnetic properties facilitate the extraction of the adsorbent. |
| format | Article |
| id | doaj-art-079cdbbbaafa4a0b8a64a68c4e11b78f |
| institution | Matheson Library |
| issn | 1516-1439 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) |
| record_format | Article |
| series | Materials Research |
| spelling | doaj-art-079cdbbbaafa4a0b8a64a68c4e11b78f2025-07-15T07:41:06ZengAssociação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)Materials Research1516-14392025-07-0128suppl 110.1590/1980-5373-mr-2025-0070Synthesis of Porous Carbon Spheres Embedded with Iron Oxide Nanoparticles for Sensing Devices and Methylene Blue AdsorptionJoão Felipe da Silva Barroshttps://orcid.org/0000-0003-4784-7703Bárbara Maria Campos SalesÍcaro Gusmão Pinto VieiraRegina Claudia Rodrigues dos Santoshttps://orcid.org/0000-0002-6943-366XAntoninho Valentinihttps://orcid.org/0000-0002-7019-6155Nanostructured materials containing iron oxide and carbon were synthesised using chitosan and iron chloride as chemical precursors in different proportions. These materials were applied as adsorbents and methanol sensors. The sample's characterisation used thermal analysis, temperature-programmed oxidation, infrared spectroscopy, X-ray diffraction, temperature-programmed reduction, Raman spectroscopy, and scanning electron microscopy. The characterisations confirmed the formation of a sp2 carbon matrix with iron embedded within it. The presence of functional groups on the carbon structure was also confirmed, and they were introduced through treatment with an acidic solution to produce the sensor. The sensor’s response to methanol was measured at different temperatures and concentrations. The results suggest good response and reproducibility of the sensor, which was synthesised using a straightforward method. The adsorption of methylene blue from an aqueous solution indicated a strong affinity between the adsorbent and the adsorbate, and the material's magnetic properties facilitate the extraction of the adsorbent.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392025000200248&lng=en&tlng=enIron oxideCarbon nanostructuresAdsorptionSensors |
| spellingShingle | João Felipe da Silva Barros Bárbara Maria Campos Sales Ícaro Gusmão Pinto Vieira Regina Claudia Rodrigues dos Santos Antoninho Valentini Synthesis of Porous Carbon Spheres Embedded with Iron Oxide Nanoparticles for Sensing Devices and Methylene Blue Adsorption Materials Research Iron oxide Carbon nanostructures Adsorption Sensors |
| title | Synthesis of Porous Carbon Spheres Embedded with Iron Oxide Nanoparticles for Sensing Devices and Methylene Blue Adsorption |
| title_full | Synthesis of Porous Carbon Spheres Embedded with Iron Oxide Nanoparticles for Sensing Devices and Methylene Blue Adsorption |
| title_fullStr | Synthesis of Porous Carbon Spheres Embedded with Iron Oxide Nanoparticles for Sensing Devices and Methylene Blue Adsorption |
| title_full_unstemmed | Synthesis of Porous Carbon Spheres Embedded with Iron Oxide Nanoparticles for Sensing Devices and Methylene Blue Adsorption |
| title_short | Synthesis of Porous Carbon Spheres Embedded with Iron Oxide Nanoparticles for Sensing Devices and Methylene Blue Adsorption |
| title_sort | synthesis of porous carbon spheres embedded with iron oxide nanoparticles for sensing devices and methylene blue adsorption |
| topic | Iron oxide Carbon nanostructures Adsorption Sensors |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392025000200248&lng=en&tlng=en |
| work_keys_str_mv | AT joaofelipedasilvabarros synthesisofporouscarbonspheresembeddedwithironoxidenanoparticlesforsensingdevicesandmethyleneblueadsorption AT barbaramariacampossales synthesisofporouscarbonspheresembeddedwithironoxidenanoparticlesforsensingdevicesandmethyleneblueadsorption AT icarogusmaopintovieira synthesisofporouscarbonspheresembeddedwithironoxidenanoparticlesforsensingdevicesandmethyleneblueadsorption AT reginaclaudiarodriguesdossantos synthesisofporouscarbonspheresembeddedwithironoxidenanoparticlesforsensingdevicesandmethyleneblueadsorption AT antoninhovalentini synthesisofporouscarbonspheresembeddedwithironoxidenanoparticlesforsensingdevicesandmethyleneblueadsorption |