A facile approach to preparation of nanostripes on the electropolished aluminum surface

Kong, Ling‐Bin; Huang, Yi; Guo, Yi; Li, Hu‐Lin

doi:10.1016/j.matlet.2005.01.036

Cited by 23 publications

(21 citation statements)

References 8 publications

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“…1d) indicates that the wavelength of the created stripe pattern is between 60 and 70 nm. This finding is in perfect agreement with results obtained by Kong et al [28]. Besides the typical stripe pattern, a cellular patter can be found in some areas of electropolished aluminum, especially near pits or dislocations (see Fig.…”

Section: Resultssupporting

confidence: 92%

“…1c), an ordered structure is composed of nanostripes or nanopores formed during electrochemical polishing. The formation of this kind of nanopatterns, reported and characterized previously for high purity aluminum [25][26][27][28][29][30][31][32][33], is probably a result of the preferential adsorption of alcohol molecules on surface ridges [28,34]. The local crosssection profile along the line in Fig.…”

Section: Resultssupporting

confidence: 52%

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The effect of anode surface area on nanoporous oxide formation during anodizing of low purity aluminum (AA1050 alloy)

Zaraska

Kurowska

Sulka

et al. 2013

J Solid State Electrochem

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Porous anodic alumina layers were obtained by a simple two-step anodization of low purity aluminum (99.5 % Al, AA1050 alloy) in a 0.3 M oxalic acid electrolyte at 45 V and 20°C. The effect of anode surface area on structural features of nanoporous oxide and process of oxide formation was investigated. An ordered structure composed of nanostripes or nanopores was formed on the Al surface during electrochemical polishing in a mixture of perchloric acid and ethanol. This nanopattern is then replicated during the anodic oxide formation. It was found that the pore diameter, interpore distance, and porosity increase slightly with increasing surface area of the aluminum sample exposed to the anodizing electrolyte. On the other hand, a slight decrease in pore density and cell wall thickness was observed with increasing surface area of the sample. The detailed inspection of current density vs. time curves was also performed. The obtained results revealed that the higher surface area of the anode, the local current density minimum, was reached faster during first step of anodization and the increase in current density corresponding to the pore rearrangement process was observed earlier. Finally, a dense array of Pd nanowires (∼90 nm in diameter) was synthesized by simple electrodeposition of metal inside the channels of through-hole nanoporous anodic alumina templates with relatively large surface areas (4 cm 2).

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Section: Resultssupporting

confidence: 92%

Section: Resultssupporting

confidence: 52%

The effect of anode surface area on nanoporous oxide formation during anodizing of low purity aluminum (AA1050 alloy)

Zaraska

Kurowska

Sulka

et al. 2013

J Solid State Electrochem

View full text Add to dashboard Cite

show abstract

“…Similar stripes and mound patterns formed on the surface during the electrochemical polishing of aluminum were reported elsewhere [185,[452][453][454][455][456][457]. The Al (1 1 0) surface was found to exhibit a regular striped array, whereas on the Al (1 1 1) and Al (1 0 0) surfaces hexagonally ordered patterns were observed.…”

Section: )supporting

confidence: 83%

Highly Ordered Anodic Porous Alumina Formation by Self‐Organized Anodizing

Sulka

2008

Nanostructured Materials in Electrochemistry

237

298

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“…This shallow ripple-like structure is an EP characteristic of metals 40 and can be used as a pre-pattern prior to anodization to obtain highly ordered oxide nanostructures, as shown in the case of Al. 36,40,[42][43][44][45] The electrochemical polishing of Ti is usually achieved in sulphuric acid-based electrolytes, which results in smooth surfaces. 46 However, in this work the EP conditions used (electrolyte type and voltage) resulted in organized dimple patterns, 40 with an interripple spacial period = 97 nm [ Fig …”

Section: Ti Surface Topography Analysesmentioning

confidence: 99%

The role of the Ti surface roughness in the self-ordering of TiO₂ nanotubes: a detailed study of the growth mechanism

et al. 2014

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Highly ordered TiO2 nanotubes (NTs) were synthesized by electrochemical anodization of Ti foils. We investigated the effect of the Ti surface roughness (applying different pretreatments prior to the anodization) on the length, growth rate and degree of selforganization of the obtained NT arrays. The mechanisms related to the TiO2 NT formation and growth were correlated not only with the corresponding anodization curves but also with their appropriate derivatives (1 st order) and suitable integrated and/or obtained parameters, to reveal the onset and end of different electrochemical regimes. This enables an in-depth interpretation (and physical-chemical insight), for different levels of surface roughness and topographic features. We found that pretreatments lead to an extremely small Ti surface roughness, offer an enhanced NT length and also provide a significant improvement in the template organization quality (highly ordered hexagonal NT arrays over larger areas), due to the optimized surface topography. We present a new statistical approach for evaluating highly ordered hexagonal NT array areas. Large domains with ideally arranged nanotube structures represented by a hexagonal closely packed array were obtained (6.61 m 2 ), close to the smallest grain diameter of the Ti foil and three times larger than those so far reported in the literature. The use of optimized pre-treatments then allowed avoiding a second anodization step, ultimately leading to highly hexagonal self-ordered samples with large organized domains at reduced time and cost.

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A facile approach to preparation of nanostripes on the electropolished aluminum surface

Cited by 23 publications

References 8 publications

The effect of anode surface area on nanoporous oxide formation during anodizing of low purity aluminum (AA1050 alloy)

The effect of anode surface area on nanoporous oxide formation during anodizing of low purity aluminum (AA1050 alloy)

Highly Ordered Anodic Porous Alumina Formation by Self‐Organized Anodizing

The role of the Ti surface roughness in the self-ordering of TiO₂ nanotubes: a detailed study of the growth mechanism

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A facile approach to preparation of nanostripes on the electropolished aluminum surface

Cited by 23 publications

References 8 publications

The effect of anode surface area on nanoporous oxide formation during anodizing of low purity aluminum (AA1050 alloy)

The effect of anode surface area on nanoporous oxide formation during anodizing of low purity aluminum (AA1050 alloy)

Highly Ordered Anodic Porous Alumina Formation by Self‐Organized Anodizing

The role of the Ti surface roughness in the self-ordering of TiO2 nanotubes: a detailed study of the growth mechanism

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The role of the Ti surface roughness in the self-ordering of TiO₂ nanotubes: a detailed study of the growth mechanism