Synergistic photothermal/photocatalytic activation of peroxymonosulfate using SrFe12O19@Ni-P core@shell microparticles for energy efficient water remediation

The urgent need for more efficient water remediation systems requires the development of new low cost and low energy strategies to remove persistent organic pollutants. This work investigates the activation of peroxymonosulfate (PMS) using Ni-P-coated SrFe<inf>12</inf>O<inf>19</...

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Autores: Bautista, Queralt, Rigual, Jordi, Lloreda, Judit, Fons, Arnau, Nogués, Josep, Gómez-Elvira González, José Manuel, Sepúlveda, Borja, Serrà, Albert
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2026
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/425315
Acceso en línea:http://hdl.handle.net/10261/425315
https://api.elsevier.com/content/abstract/scopus_id/105029480500
Access Level:acceso abierto
Palabra clave:Advanced oxidation processes (AOPs)
Blue light, sunlight
Heterogeneous catalysis
Near-infrared (NIR) light
Peroxymonosulfate (PMS)
Photothermocatalysis
Water treatment
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dc.title.none.fl_str_mv Synergistic photothermal/photocatalytic activation of peroxymonosulfate using SrFe12O19@Ni-P core@shell microparticles for energy efficient water remediation
title Synergistic photothermal/photocatalytic activation of peroxymonosulfate using SrFe12O19@Ni-P core@shell microparticles for energy efficient water remediation
spellingShingle Synergistic photothermal/photocatalytic activation of peroxymonosulfate using SrFe12O19@Ni-P core@shell microparticles for energy efficient water remediation
Bautista, Queralt
Advanced oxidation processes (AOPs)
Blue light, sunlight
Heterogeneous catalysis
Near-infrared (NIR) light
Peroxymonosulfate (PMS)
Photothermocatalysis
Water treatment
title_short Synergistic photothermal/photocatalytic activation of peroxymonosulfate using SrFe12O19@Ni-P core@shell microparticles for energy efficient water remediation
title_full Synergistic photothermal/photocatalytic activation of peroxymonosulfate using SrFe12O19@Ni-P core@shell microparticles for energy efficient water remediation
title_fullStr Synergistic photothermal/photocatalytic activation of peroxymonosulfate using SrFe12O19@Ni-P core@shell microparticles for energy efficient water remediation
title_full_unstemmed Synergistic photothermal/photocatalytic activation of peroxymonosulfate using SrFe12O19@Ni-P core@shell microparticles for energy efficient water remediation
title_sort Synergistic photothermal/photocatalytic activation of peroxymonosulfate using SrFe12O19@Ni-P core@shell microparticles for energy efficient water remediation
dc.creator.none.fl_str_mv Bautista, Queralt
Rigual, Jordi
Lloreda, Judit
Fons, Arnau
Nogués, Josep
Gómez-Elvira González, José Manuel
Sepúlveda, Borja
Serrà, Albert
author Bautista, Queralt
author_facet Bautista, Queralt
Rigual, Jordi
Lloreda, Judit
Fons, Arnau
Nogués, Josep
Gómez-Elvira González, José Manuel
Sepúlveda, Borja
Serrà, Albert
author_role author
author2 Rigual, Jordi
Lloreda, Judit
Fons, Arnau
Nogués, Josep
Gómez-Elvira González, José Manuel
Sepúlveda, Borja
Serrà, Albert
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia e Innovación (España)
Agencia Estatal de Investigación (España)
Ministerio de Ciencia, Innovación y Universidades (España)
European Commission
Generalitat de Catalunya
Nogués, Josep [0000-0003-4616-1371]
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Advanced oxidation processes (AOPs)
Blue light, sunlight
Heterogeneous catalysis
Near-infrared (NIR) light
Peroxymonosulfate (PMS)
Photothermocatalysis
Water treatment
topic Advanced oxidation processes (AOPs)
Blue light, sunlight
Heterogeneous catalysis
Near-infrared (NIR) light
Peroxymonosulfate (PMS)
Photothermocatalysis
Water treatment
description The urgent need for more efficient water remediation systems requires the development of new low cost and low energy strategies to remove persistent organic pollutants. This work investigates the activation of peroxymonosulfate (PMS) using Ni-P-coated SrFe<inf>12</inf>O<inf>19</inf> (SFO@Ni-P) microparticles under thermal, photothermal and photocatalytic conditions by either conventional heating or near-infrared (NIR; 915 nm) or blue (450 nm) light activation. The synergistic photothermal/photocatalytic activation using blue light (i.e., above the SFO bandgap) outperformed conventional thermal treatments or photothermal NIR activation, enhancing the PMS decomposition at moderate temperatures. The outstanding performance of SFO@Ni-P was due the combination of Ni<sup>2+</sup>/Ni<sup>3+</sup> redox cycling and the highly damped plasmonic behavior or the Ni-P shell, and the photothermal/photocatalytic activation offered by the semiconducting SFO core, leading to >99.9% degradation and 99.9–100.0% mineralization of tetracycline after 90 min under blue-light (combined photothermal/photocatalytic) activation. Moreover, the dual photothermal/photocatalytic effects under blue light enabled up to 87.4% mineralization of a 120 ppm multi-pollutant mixture in 90 min, with markedly lower electrical energy per order (EE/O) (≈4-fold) than conventional thermal activation. The catalysts maintained high activity over multiple cycles with negligible metal leaching. Remarkably, under sunlight the catalyst achieved nearly complete multi-pollutant mineralization (≈99%) within 40 min without external electrical input for heating/irradiation (excluding ancillary power). Importantly, seed germination/root elongation assays confirmed strong detoxification of the treated effluents (GI > 80%). These findings highlight the potential of SFO@Ni-P microparticles for efficient, reusable, and low-energy advanced oxidation processes, and solar-compatible wastewater treatment applications.
publishDate 2026
dc.date.none.fl_str_mv 2026
2026
2026
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dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/425315
https://api.elsevier.com/content/abstract/scopus_id/105029480500
url http://hdl.handle.net/10261/425315
https://api.elsevier.com/content/abstract/scopus_id/105029480500
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spelling Synergistic photothermal/photocatalytic activation of peroxymonosulfate using SrFe12O19@Ni-P core@shell microparticles for energy efficient water remediationBautista, QueraltRigual, JordiLloreda, JuditFons, ArnauNogués, JosepGómez-Elvira González, José ManuelSepúlveda, BorjaSerrà, AlbertAdvanced oxidation processes (AOPs)Blue light, sunlightHeterogeneous catalysisNear-infrared (NIR) lightPeroxymonosulfate (PMS)PhotothermocatalysisWater treatmentThe urgent need for more efficient water remediation systems requires the development of new low cost and low energy strategies to remove persistent organic pollutants. This work investigates the activation of peroxymonosulfate (PMS) using Ni-P-coated SrFe<inf>12</inf>O<inf>19</inf> (SFO@Ni-P) microparticles under thermal, photothermal and photocatalytic conditions by either conventional heating or near-infrared (NIR; 915 nm) or blue (450 nm) light activation. The synergistic photothermal/photocatalytic activation using blue light (i.e., above the SFO bandgap) outperformed conventional thermal treatments or photothermal NIR activation, enhancing the PMS decomposition at moderate temperatures. The outstanding performance of SFO@Ni-P was due the combination of Ni<sup>2+</sup>/Ni<sup>3+</sup> redox cycling and the highly damped plasmonic behavior or the Ni-P shell, and the photothermal/photocatalytic activation offered by the semiconducting SFO core, leading to >99.9% degradation and 99.9–100.0% mineralization of tetracycline after 90 min under blue-light (combined photothermal/photocatalytic) activation. Moreover, the dual photothermal/photocatalytic effects under blue light enabled up to 87.4% mineralization of a 120 ppm multi-pollutant mixture in 90 min, with markedly lower electrical energy per order (EE/O) (≈4-fold) than conventional thermal activation. The catalysts maintained high activity over multiple cycles with negligible metal leaching. Remarkably, under sunlight the catalyst achieved nearly complete multi-pollutant mineralization (≈99%) within 40 min without external electrical input for heating/irradiation (excluding ancillary power). Importantly, seed germination/root elongation assays confirmed strong detoxification of the treated effluents (GI > 80%). These findings highlight the potential of SFO@Ni-P microparticles for efficient, reusable, and low-energy advanced oxidation processes, and solar-compatible wastewater treatment applications.Ministerio de Ciencia e Innovación (MICIN) is acknowledged through Grants DIN2021-011916, PID 2021-124568NB-I00, TED 2021-129898B-C21, TED2021-129898B-C22, PDC2023-145821-C21, PDC2023-145821-C22 and CNS2024-154690 funded by NextGenerationEU and MICIU/AEI/10.13039/501100011033. The authors also would like to express their gratitude to the Departament de Recerca i Universitats, particularly the Departament d'Acció Climàtica, Alimentació i Agenda Rural, as well as the Fons Climàtic de la Generalitat de Catalunya (project 2023 CLIMA 00009 AGAUR) for their support. ICN2 is funded by the CERCA program/Generalitat de Catalunya. The ICN2 is supported by the Severo Ochoa Centres of Excellence program, Grant CEX2021-001214-S, and the IMB is supported by the Maria de Maeztu Centres of Excellence program Grant CEX2023-001397-M, both funded by MCIU/AEI/10.13039/501100011033. We acknowledge the funding from 2021-SGR-00651 project by the Generalitat de Catalunya.With funding from the Spanish government through the "Severo Ochoa Centre of Excelence" accreditation (CEX2021-001214-S)With funding from the Spanish government through the "María de Maeztu Unit of Excellence" accreditation (CEX2023-001397-M)Peer reviewedElsevierMinisterio de Ciencia e Innovación (España)Agencia Estatal de Investigación (España)Ministerio de Ciencia, Innovación y Universidades (España)European CommissionGeneralitat de CatalunyaNogués, Josep [0000-0003-4616-1371]Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202620262026info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/425315https://api.elsevier.com/content/abstract/scopus_id/105029480500reponame:DIGITAL.CSIC. 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