Green synthesis and characterization of zero-valent iron nanoparticles using stinging nettle (Urtica dioica) leaf extract
Abstract For the first time, aqueous leaf extract of Urtica dioica was used as a sustainable source of reducing and capping agents to synthesize iron nanoparticles (INPs). In this regard, zero-valent INPs were produced and entrapped in a biologic coating. INPs were characterized by transmission electron microscopy (TEM), particle size analysis, Fourier transform infrared (FTIR) spectroscopy, X-ray diffractometer, vibrating sample magnetometer, thermogravimetric analysis (TGA), and differential TGA. Based on the results, the prepared INPs were completely composed of zero-valent iron atoms without any iron oxide impurities. Nanoparticles were spherical in shape with diameters ranging from 21 nm to 71 nm with a mean particle size of 46 nm. Particles were entrapped in a biologic coating which resulted in formation of complexes ranging from 117 nm to 605 nm. High zeta potential value of these complexes (−82.6 mV) and the presence of hydrophilic groups on the biologic coating provided a stable colloid system. Prepared INPs were non-crystalline (amorphous) having a low magnetization value of 0.14 emu/g. The prepared particles are of significant interest in a wide range of scientific and technical applications..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2017 |
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| Erschienen: |
2017 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:6 |
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| Enthalten in: |
Green processing & synthesis - 6(2017), 5 vom: 18. Jan., Seite 469-475 |
| Beteiligte Personen: |
Ebrahiminezhad, Alireza [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| BKL: |
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| Anmerkungen: |
©2017 Walter de Gruyter GmbH, Berlin/Boston |
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| doi: |
10.1515/gps-2016-0133 |
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| funding: |
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GRUY000680729 |
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| 520 | |a Abstract For the first time, aqueous leaf extract of Urtica dioica was used as a sustainable source of reducing and capping agents to synthesize iron nanoparticles (INPs). In this regard, zero-valent INPs were produced and entrapped in a biologic coating. INPs were characterized by transmission electron microscopy (TEM), particle size analysis, Fourier transform infrared (FTIR) spectroscopy, X-ray diffractometer, vibrating sample magnetometer, thermogravimetric analysis (TGA), and differential TGA. Based on the results, the prepared INPs were completely composed of zero-valent iron atoms without any iron oxide impurities. Nanoparticles were spherical in shape with diameters ranging from 21 nm to 71 nm with a mean particle size of 46 nm. Particles were entrapped in a biologic coating which resulted in formation of complexes ranging from 117 nm to 605 nm. High zeta potential value of these complexes (−82.6 mV) and the presence of hydrophilic groups on the biologic coating provided a stable colloid system. Prepared INPs were non-crystalline (amorphous) having a low magnetization value of 0.14 emu/g. The prepared particles are of significant interest in a wide range of scientific and technical applications. | ||
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| 700 | 1 | |a Berenjian, Aydin |4 aut | |
| 700 | 1 | |a Ghasemi, Younes |4 aut | |
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