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One-Pot Synthesis of Porous Hematite Hollow Microspheres and Their Application in Water Treatment
Alternative TitleJ. Nanosci. Nanotechnol.
Li, J.; Lai, X. Y.; Xing, C. J.; Wang, D.
2010
Conference NameInternational Conference on Nanoscience and Technology (ChinaNANO 2009)
Source PublicationJournal of Nanoscience and Nanotechnology
Issue11
Pages7707-7710
Conference DateSEP 01-03, 2009
Conference PlaceNatl Ctr Nanosci Tech (NCNST), Beijing, PEOPLES R CHINA
Abstractalpha-Fe(2)O(3) hollow micospheres have been successfully synthesized by solvothermal method at 200 degrees C. The synthesized products are characterized by X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), and the nitrogen adsorption-desorption isotherm technique. The alpha-Fe(2)O(3) hollow microspheres have an average diameter of 2-3 mu m, the shell consists of numerous aligned nanorods with length of about 200-400 nm. The effects of solvent and reaction time have been studied. The Ostwald ripening mechanism is proposed to account for the formation of alpha-Fe(2)O(3) hollow microspheres. Because of the porous hollow microstructure and large specific surface area, the microspheres were found to be effective sorbents for the removal of Cr(VI) ions from wastewater.
KeywordHematite Hollow Microspheres Solvothermal Synthesis Chromium(Vi) Removal Oriented-aggregation Spheres
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Indexed ByISTP
Language英语
Document Type会议论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11151
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
Li, J.,Lai, X. Y.,Xing, C. J.,et al. One-Pot Synthesis of Porous Hematite Hollow Microspheres and Their Application in Water Treatment[C],2010:7707-7710.
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