Abstract
α- and β-Ni(OH)2 with three-dimensional (3D) nanostructures were synthesized in a water-in-oil reverse micelle/microemulsion system. The form and shape of Ni(OH)2 can be readily tuned by adjusting experimental parameters of the reverse micelle/microemulsion system. α-Ni(OH)2 with dandelion-like nanostructures was obtained in the reverse microemulsion of cetyltrimethylammonium bromide (CTAB)/water/ cyclohexane/n-pentanol with a molar ratio of H2O to surfactant of 40; β-Ni(OH)2 phase with flower-like nanostructures was formed in the reverse micelles of the same composition with a molar ratio of H 2O to surfactant of 10. Electrochemical measurements of the as-synthesized α-Ni(OH)2 phase showed that the 3D α-Ni(OH)2 nanostructures exhibited superior cycling reversibility and improved capacity compared with commercial Ni(OH)2.
Original language | English |
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Pages (from-to) | 170-174 |
Number of pages | 5 |
Journal | Crystal Growth and Design |
Volume | 7 |
Issue number | 1 |
DOIs | |
Publication status | Published - Jan 2007 |
Externally published | Yes |