One-step synthesis and assembly of spindle-shaped akaganéite nanoparticles via sonochemistryElectronic supplementary information (ESI) available. See DOI: 10.1039/c8ce00470f
Akaganéite, with the formula FeO(OH,Cl), has potential in the realms of environmental protection, energy conversion/storage, and biomedicine. However, its large-scale production is still challenging in terms of cost and environmental friendliness, which limits its commercial application. In this stu...
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Language | English |
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29.05.2018
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Abstract | Akaganéite, with the formula FeO(OH,Cl), has potential in the realms of environmental protection, energy conversion/storage, and biomedicine. However, its large-scale production is still challenging in terms of cost and environmental friendliness, which limits its commercial application. In this study, we report a one-step sonochemical fabrication method to address this challenge. Fabrication has been performed in aqueous FeCl
3
solutions with the aid of acoustic cavitation by gas bubbles. The fabricated FeO(OH,Cl) nanoparticles (NPs) are porous and exhibit spindle shapes. With increasing sonication time, these NPs can be spontaneously assembled to form irregular micro-/nanostructures of varied sizes. When required, such assemblies could be suitably directed by adding appropriate templates, either natural or artificial. The template-directed assembly relies on the principle of minimum free energy and the resulting FeO(OH,Cl) NPs nucleating and growing along the added templates. This study demonstrates a sonochemical fabrication method amenable to large-scale production, that is inexpensive and environmentally friendly, providing monodisperse porous FeO(OH,Cl) NPs of spindle shape and their various assemblies for commercial purposes.
We demonstrate a green method based on sonochemistry for large-scale production of akaganéite nanoparticles and assemblies in low cost. |
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AbstractList | Akaganéite, with the formula FeO(OH,Cl), has potential in the realms of environmental protection, energy conversion/storage, and biomedicine. However, its large-scale production is still challenging in terms of cost and environmental friendliness, which limits its commercial application. In this study, we report a one-step sonochemical fabrication method to address this challenge. Fabrication has been performed in aqueous FeCl
3
solutions with the aid of acoustic cavitation by gas bubbles. The fabricated FeO(OH,Cl) nanoparticles (NPs) are porous and exhibit spindle shapes. With increasing sonication time, these NPs can be spontaneously assembled to form irregular micro-/nanostructures of varied sizes. When required, such assemblies could be suitably directed by adding appropriate templates, either natural or artificial. The template-directed assembly relies on the principle of minimum free energy and the resulting FeO(OH,Cl) NPs nucleating and growing along the added templates. This study demonstrates a sonochemical fabrication method amenable to large-scale production, that is inexpensive and environmentally friendly, providing monodisperse porous FeO(OH,Cl) NPs of spindle shape and their various assemblies for commercial purposes.
We demonstrate a green method based on sonochemistry for large-scale production of akaganéite nanoparticles and assemblies in low cost. |
Author | Zheng, Chan Chen, Weikun Wang, Weiguo Hong, Chunfu Dai, Pinqiang Yan, Xiaohui |
AuthorAffiliation | Fujian University of Technology State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine College of Materials Science and Engineering Fujian Provincial Key Laboratory of Advanced Materials Processing and Application Xiamen University School of Public Health |
AuthorAffiliation_xml | – name: Fujian Provincial Key Laboratory of Advanced Materials Processing and Application – name: College of Materials Science and Engineering – name: Fujian University of Technology – name: State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine – name: School of Public Health – name: Xiamen University |
Author_xml | – sequence: 1 givenname: Weikun surname: Chen fullname: Chen, Weikun – sequence: 2 givenname: Pinqiang surname: Dai fullname: Dai, Pinqiang – sequence: 3 givenname: Chunfu surname: Hong fullname: Hong, Chunfu – sequence: 4 givenname: Chan surname: Zheng fullname: Zheng, Chan – sequence: 5 givenname: Weiguo surname: Wang fullname: Wang, Weiguo – sequence: 6 givenname: Xiaohui surname: Yan fullname: Yan, Xiaohui |
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Snippet | Akaganéite, with the formula FeO(OH,Cl), has potential in the realms of environmental protection, energy conversion/storage, and biomedicine. However, its... |
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Title | One-step synthesis and assembly of spindle-shaped akaganéite nanoparticles via sonochemistryElectronic supplementary information (ESI) available. See DOI: 10.1039/c8ce00470f |
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