A Versatile Method for Controlled Synthesis of Porous Hollow Spheres
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AbstractA versatile method was developed to synthesize nickel silicate, silica, and silica-nickel composite porous hollow spheres by using silica spheres as templates In the preparation, silica spheres were treated with a mixture of NiSO(4)center dot 6H(2)O and NH(3)center dot H(2)O The nickel-based ingredient reacted with the silica to form a shell while the alkaline solution could remove the silica core, thus forming the nickel silicate hollow spheres After these spheres were further treated with hydrogen in reduction or with HCl in etching, they became silica-nickel hollow spheres or silica hollow spheres, respectively The sizes of these hollow spheres depended on the concentration of the precursor. Our investigation also found that their sui face pi perms or magnetic properties could be tailored by adjusting the fabrication parameters
All Author(s) ListWang YQ, Tang CJ, Deng QA, Liang CH, Ng DHL, Kwong FL, Wang HQ, Cai WP, Zhang LD, Wang GZ
Journal nameLangmuir
Year2010
Month9
Day21
Volume Number26
Issue Number18
PublisherAMER CHEMICAL SOC
Pages14830 - 14834
ISSN0743-7463
eISSN1520-5827
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesChemistry; Chemistry, Multidisciplinary; CHEMISTRY, MULTIDISCIPLINARY; Chemistry, Physical; CHEMISTRY, PHYSICAL; Materials Science; Materials Science, Multidisciplinary; MATERIALS SCIENCE, MULTIDISCIPLINARY

Last updated on 2020-27-10 at 00:29