2009
DOI: 10.1007/s11051-009-9709-8
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Synthesis of flower-like cobalt nanostructures: optimization by Taguchi design

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Cited by 10 publications
(8 citation statements)
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“…It is known that cobalt ions can exist in the form of hexaaquacobalt(II) complex in water. 17 Sodium hydroxide reacts with this complex to form a neutral cobalt hydroxide complex (eqs 5 and 6), which is insoluble in water and appeared as a turbidity. Simultaneously, hydrazine hydrate reduces Co 2+ to Co 0 (eq 7)…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…It is known that cobalt ions can exist in the form of hexaaquacobalt(II) complex in water. 17 Sodium hydroxide reacts with this complex to form a neutral cobalt hydroxide complex (eqs 5 and 6), which is insoluble in water and appeared as a turbidity. Simultaneously, hydrazine hydrate reduces Co 2+ to Co 0 (eq 7)…”
Section: Resultsmentioning
confidence: 99%
“…The mechanism of cobalt overcoating on the Au MF surface can be explained as follows. It is known that cobalt ions can exist in the form of hexaaquacobalt(II) complex in water . Sodium hydroxide reacts with this complex to form a neutral cobalt hydroxide complex (eqs and ), which is insoluble in water and appeared as a turbidity.…”
Section: Resultsmentioning
confidence: 99%
“…The present results disagree from the statement that organic compounds and/or solvents slow down the cementation kinetics in general. , (iii) Cobalt cementation in ethanol–water mixture may reach a high conversion in minutes without requiring the presence of catalytic cations that usually alter the composition of the embedding solution; this can be helpful for industrial applications. (iv) Cementation in mixed solvents may represent a promising alternative to other wet-chemical reduction processes , for the synthesis of metal nanostructures. The presence of residual zinc in the cemented phase could represent a possible limitation of the present method.…”
Section: Discussionmentioning
confidence: 99%
“…Nanosized metal Co can be prepared by different synthetic routes. Those routes include: electron beam irradiation [10], reduction in gas phase [11, 12], sonochemical preparation [13], reduction of micellar solutions [14], usage of organic templates [15, 16], high‐energy ball milling [17], treatment with microwave radiation [18] and others [1, 19, 20]. Our preparation of metal Co nanofoams is unique, since it only requires one easily produced precursor.…”
Section: Introductionmentioning
confidence: 99%