Multifunctional solution blow spun NiFe–NiFe2O4 composite nanofibers: Structure, magnetic properties and OER activity
Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS)...
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| Autor*in: |
Raimundo, Rafael A. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Biological mechanisms of cadmium accumulation in edible Amaranth ( - Guo, Shi-Hong ELSEVIER, 2020, an international journal, New York, NY [u.a.] |
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| Übergeordnetes Werk: |
volume:139 ; year:2020 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.jpcs.2019.109325 |
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ELV049356658 |
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| 245 | 1 | 0 | |a Multifunctional solution blow spun NiFe–NiFe2O4 composite nanofibers: Structure, magnetic properties and OER activity |
| 264 | 1 | |c 2020transfer abstract | |
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| 520 | |a Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. | ||
| 520 | |a Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. | ||
| 650 | 7 | |a NiFe–NiFe2O4 |2 Elsevier | |
| 650 | 7 | |a SBS |2 Elsevier | |
| 650 | 7 | |a Composite nanofibers |2 Elsevier | |
| 650 | 7 | |a OER |2 Elsevier | |
| 650 | 7 | |a Magnetic properties |2 Elsevier | |
| 700 | 1 | |a Silva, Vinícius D. |4 oth | |
| 700 | 1 | |a Medeiros, Eliton S. |4 oth | |
| 700 | 1 | |a Macedo, Daniel A. |4 oth | |
| 700 | 1 | |a Simões, Thiago A. |4 oth | |
| 700 | 1 | |a Gomes, Uílame U. |4 oth | |
| 700 | 1 | |a Morales, Marco A. |4 oth | |
| 700 | 1 | |a Gomes, Rodinei M. |4 oth | |
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10.1016/j.jpcs.2019.109325 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000907.pica (DE-627)ELV049356658 (ELSEVIER)S0022-3697(19)32362-5 DE-627 ger DE-627 rakwb eng 333.7 570 690 VZ BIODIV DE-30 fid 48.00 bkl Raimundo, Rafael A. verfasserin aut Multifunctional solution blow spun NiFe–NiFe2O4 composite nanofibers: Structure, magnetic properties and OER activity 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. NiFe–NiFe2O4 Elsevier SBS Elsevier Composite nanofibers Elsevier OER Elsevier Magnetic properties Elsevier Silva, Vinícius D. oth Medeiros, Eliton S. oth Macedo, Daniel A. oth Simões, Thiago A. oth Gomes, Uílame U. oth Morales, Marco A. oth Gomes, Rodinei M. oth Enthalten in Elsevier Guo, Shi-Hong ELSEVIER Biological mechanisms of cadmium accumulation in edible Amaranth ( 2020 an international journal New York, NY [u.a.] (DE-627)ELV004090616 volume:139 year:2020 pages:0 https://doi.org/10.1016/j.jpcs.2019.109325 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA SSG-OPC-FOR 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 139 2020 0 |
| spelling |
10.1016/j.jpcs.2019.109325 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000907.pica (DE-627)ELV049356658 (ELSEVIER)S0022-3697(19)32362-5 DE-627 ger DE-627 rakwb eng 333.7 570 690 VZ BIODIV DE-30 fid 48.00 bkl Raimundo, Rafael A. verfasserin aut Multifunctional solution blow spun NiFe–NiFe2O4 composite nanofibers: Structure, magnetic properties and OER activity 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. NiFe–NiFe2O4 Elsevier SBS Elsevier Composite nanofibers Elsevier OER Elsevier Magnetic properties Elsevier Silva, Vinícius D. oth Medeiros, Eliton S. oth Macedo, Daniel A. oth Simões, Thiago A. oth Gomes, Uílame U. oth Morales, Marco A. oth Gomes, Rodinei M. oth Enthalten in Elsevier Guo, Shi-Hong ELSEVIER Biological mechanisms of cadmium accumulation in edible Amaranth ( 2020 an international journal New York, NY [u.a.] (DE-627)ELV004090616 volume:139 year:2020 pages:0 https://doi.org/10.1016/j.jpcs.2019.109325 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA SSG-OPC-FOR 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 139 2020 0 |
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10.1016/j.jpcs.2019.109325 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000907.pica (DE-627)ELV049356658 (ELSEVIER)S0022-3697(19)32362-5 DE-627 ger DE-627 rakwb eng 333.7 570 690 VZ BIODIV DE-30 fid 48.00 bkl Raimundo, Rafael A. verfasserin aut Multifunctional solution blow spun NiFe–NiFe2O4 composite nanofibers: Structure, magnetic properties and OER activity 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. NiFe–NiFe2O4 Elsevier SBS Elsevier Composite nanofibers Elsevier OER Elsevier Magnetic properties Elsevier Silva, Vinícius D. oth Medeiros, Eliton S. oth Macedo, Daniel A. oth Simões, Thiago A. oth Gomes, Uílame U. oth Morales, Marco A. oth Gomes, Rodinei M. oth Enthalten in Elsevier Guo, Shi-Hong ELSEVIER Biological mechanisms of cadmium accumulation in edible Amaranth ( 2020 an international journal New York, NY [u.a.] (DE-627)ELV004090616 volume:139 year:2020 pages:0 https://doi.org/10.1016/j.jpcs.2019.109325 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA SSG-OPC-FOR 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 139 2020 0 |
| allfieldsGer |
10.1016/j.jpcs.2019.109325 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000907.pica (DE-627)ELV049356658 (ELSEVIER)S0022-3697(19)32362-5 DE-627 ger DE-627 rakwb eng 333.7 570 690 VZ BIODIV DE-30 fid 48.00 bkl Raimundo, Rafael A. verfasserin aut Multifunctional solution blow spun NiFe–NiFe2O4 composite nanofibers: Structure, magnetic properties and OER activity 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. NiFe–NiFe2O4 Elsevier SBS Elsevier Composite nanofibers Elsevier OER Elsevier Magnetic properties Elsevier Silva, Vinícius D. oth Medeiros, Eliton S. oth Macedo, Daniel A. oth Simões, Thiago A. oth Gomes, Uílame U. oth Morales, Marco A. oth Gomes, Rodinei M. oth Enthalten in Elsevier Guo, Shi-Hong ELSEVIER Biological mechanisms of cadmium accumulation in edible Amaranth ( 2020 an international journal New York, NY [u.a.] (DE-627)ELV004090616 volume:139 year:2020 pages:0 https://doi.org/10.1016/j.jpcs.2019.109325 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA SSG-OPC-FOR 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 139 2020 0 |
| allfieldsSound |
10.1016/j.jpcs.2019.109325 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000907.pica (DE-627)ELV049356658 (ELSEVIER)S0022-3697(19)32362-5 DE-627 ger DE-627 rakwb eng 333.7 570 690 VZ BIODIV DE-30 fid 48.00 bkl Raimundo, Rafael A. verfasserin aut Multifunctional solution blow spun NiFe–NiFe2O4 composite nanofibers: Structure, magnetic properties and OER activity 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. NiFe–NiFe2O4 Elsevier SBS Elsevier Composite nanofibers Elsevier OER Elsevier Magnetic properties Elsevier Silva, Vinícius D. oth Medeiros, Eliton S. oth Macedo, Daniel A. oth Simões, Thiago A. oth Gomes, Uílame U. oth Morales, Marco A. oth Gomes, Rodinei M. oth Enthalten in Elsevier Guo, Shi-Hong ELSEVIER Biological mechanisms of cadmium accumulation in edible Amaranth ( 2020 an international journal New York, NY [u.a.] (DE-627)ELV004090616 volume:139 year:2020 pages:0 https://doi.org/10.1016/j.jpcs.2019.109325 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-BIODIV SSG-OLC-PHA SSG-OPC-FOR 48.00 Land- und Forstwirtschaft: Allgemeines VZ AR 139 2020 0 |
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Multifunctional solution blow spun NiFe–NiFe2O4 composite nanofibers: Structure, magnetic properties and OER activity |
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Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. |
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Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. |
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Multifunctional nanomaterials are of great technological interest due to a wide range of applications. This study reports the structure, magnetic properties and electrocatalytic activity to oxygen evolution reaction (OER) of NiFe–NiFe2O4 composite nanofibers prepared by solution blow spinning (SBS) with an average diameter of 133.4 nm. X-ray diffraction (XRD) analysis revealed that NiFe alloy crystallites have an average size of 26.3 nm. The magnetization versus temperature (MxT) and magnetization versus magnetic field (MxH) measurements show saturation magnetization of 123 emu g−1 and thermal blocking temperature of 117 K. The MxT measurements show a quick response of the composite sample to magnetic field variations of ±0.3 Oe, indicating that the solution blow spun material has great potential for magnetic sensor applications. From an electrocatalytic point of view, nanofibers show a low overpotential of 316 mV vs RHE at J = 10 mA cm−2, and a significant turnover frequency (TOF) of 4.03 s−1 at only 400 mV. NiFe–NiFe2O4 nanofibers have an excellent chemical stability as revealed by chronopotentiometry analysis along 15 h. These results stand solution blow spun NiFe–NiFe2O4 composite nanofibers in line with the best NiFe-based catalysts reported in the literature. |
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