2005
DOI: 10.1021/jp053627i
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Size-Dependent Orientation Growth of Large-Area Ordered Ni Nanowire Arrays

Abstract: Large-area ordered Ni nanowire arrays with different diameters have been fabricated by the direct current electrodeposition into the holes of porous anodic alumina membrane. The crystal structure and micrograph of nanowire arrays are characterized by X-ray diffraction, field-emission scanning electron microscopy and high-resolution transmission electron microscopy. The results indicate that the growth orientation of Ni nanowires turns from [110] to [111] direction with increasing diameters of nanowires. The me… Show more

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Cited by 74 publications
(55 citation statements)
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“…In a typical experiment, the membrane was attached platinum-side down on the GC (4 mm diameter) electrode surface and covered by a rubber O-ring. The NiNWAs were deposited using chronoamperometry under the potential of +1.35 V for 30 min by immersing the GC electrode in a mixture of 100 g/L NiSO 4 ·6H 2 O, 30 g/L NiCl 2 ·6H 2 O and 40 g/L H 3 BO 3 , the pH value of which was adjusted to 2.5 with 1 M H 2 SO 4 (Wang et al, 2005). After deposition, the PC template was dissolved by immersing the electrode in chloroform.…”
Section: Fabrication Of Ni Nanowire Array Electrodementioning
confidence: 99%
“…In a typical experiment, the membrane was attached platinum-side down on the GC (4 mm diameter) electrode surface and covered by a rubber O-ring. The NiNWAs were deposited using chronoamperometry under the potential of +1.35 V for 30 min by immersing the GC electrode in a mixture of 100 g/L NiSO 4 ·6H 2 O, 30 g/L NiCl 2 ·6H 2 O and 40 g/L H 3 BO 3 , the pH value of which was adjusted to 2.5 with 1 M H 2 SO 4 (Wang et al, 2005). After deposition, the PC template was dissolved by immersing the electrode in chloroform.…”
Section: Fabrication Of Ni Nanowire Array Electrodementioning
confidence: 99%
“…Preparation of the AAO template: The porous anodic alumina oxide (AAO) templates were prepared via a two-step anodization procedure [30,37,38]. Prior to anodizing, highpurity aluminum foils (99.999%) were first degreased in acetone and then were annealed in a vacuum of 10 −5 Torr at 500•C for 5 h to remove the mechanical stress, thus obtaining the aluminum foils with a homogeneous structure over a large area.…”
Section: Experimental Detailmentioning
confidence: 99%
“…Cobalt (Co) and Nickel (Ni) nanowires have been electrochemically deposited into the pores of AAO template [26][27][28][29]. The earlier studies show that the growth surface of the fcc (Ni) [30,31] and hcp (Co) [32] [36]. Little is known on the tunneling process occurring in the dehydration and also there is no other study for the effect of work function on the growth mechanism of Co and Ni nanowires.…”
Section: Introductionmentioning
confidence: 99%
“…It is well known that the electrodeposition of different types of magnetic NWs into PAO templates has been performed by direct current (dc) and alternative current (ac) methods [1,4,16]. While the dc method provides a satisfactory electrodeposition efficiency (EE) and high crystallinity [17,18], its drawback, for instance the necessity of making a conductive electrode at the pores' bottom by sputtering a metal layer (e.g., Au) after removing the insulating barrier layer, makes it less profitable for large-area production.…”
Section: Introductionmentioning
confidence: 99%