Simulation of inhomogeneous pores filling in template electrodeposition of ordered metal nanowire arrays

Bograchev, D. A.; Волгин, В. М.; Давыдов, А. Д.

doi:10.1016/j.electacta.2013.08.171

Cited by 28 publications

(9 citation statements)

References 29 publications

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“…Aer several hours of electrodeposition, some pores are completely lled and the current increases (Region C) as the tin breaks through onto the surface of the membrane and diffusion occurs more readily to the surface growth sites. [52][53][54] An increase in convection noise is also observed in this region of the chronoamperogram as tin is then deposited preferentially onto the surface of the membrane (Region D).…”

Section: Tin Electrodeposition Into Aao Membranesmentioning

confidence: 89%

“…This indicates that graing does not affect the extent of nucleation in the pores, and that solvent penetration was not a problem in the ungraed membranes. The typical anodic alumina growth model described above and in the literature [52][53][54] can be modied to take into account the observed growth in ungraed or graed tin nanowire samples (Fig. 8).…”

Section: Tin Electrodeposition Into Aao Membranesmentioning

confidence: 99%

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Electrodeposition of tin nanowires from a dichloromethane based electrolyte

et al. 2018

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Section: Tin Electrodeposition Into Aao Membranesmentioning

confidence: 89%

Section: Tin Electrodeposition Into Aao Membranesmentioning

confidence: 99%

Electrodeposition of tin nanowires from a dichloromethane based electrolyte

et al. 2018

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“…The electrodeposition of metals has been applied in order to obtain nanowires not only of gold, but also of other materials, such as, other metals (Co [ 24 , 32 , 33 ], Ni [ 24 , 28 , 34 ], Cu [ 24 , 28 , 29 ], Pt and Pd [ 35 ]), alloys (NiFe [ 33 ], FeSiB [ 34 ]) or salts (Bi 2 Te 3 [ 36 ], CdS [ 23 ]). Some recent papers deal with the theoretical modeling of electrochemical deposition in template membranes [ 37 , 38 , 39 , 40 , 41 , 42 ].…”

Section: Template Ensemble Of Nanoelectrodesmentioning

confidence: 99%

Nanobiosensing with Arrays and Ensembles of Nanoelectrodes

Karimian

Moretto

Ugo

2016

Sensors

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Since the first reports dating back to the mid-1990s, ensembles and arrays of nanoelectrodes (NEEs and NEAs, respectively) have gained an important role as advanced electroanalytical tools thank to their unique characteristics which include, among others, dramatically improved signal/noise ratios, enhanced mass transport and suitability for extreme miniaturization. From the year 2000 onward, these properties have been exploited to develop electrochemical biosensors in which the surfaces of NEEs/NEAs have been functionalized with biorecognition layers using immobilization modes able to take the maximum advantage from the special morphology and composite nature of their surface. This paper presents an updated overview of this field. It consists of two parts. In the first, we discuss nanofabrication methods and the principles of functioning of NEEs/NEAs, focusing, in particular, on those features which are important for the development of highly sensitive and miniaturized biosensors. In the second part, we review literature references dealing the bioanalytical and biosensing applications of sensors based on biofunctionalized arrays/ensembles of nanoelectrodes, focusing our attention on the most recent advances, published in the last five years. The goal of this review is both to furnish fundamental knowledge to researchers starting their activity in this field and provide critical information on recent achievements which can stimulate new ideas for future developments to experienced scientists.

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“…It is worth noting that the percentage of nanoelectrodes in the array that are involved in electrochemical reactions has not been discussed in detail. At the same time, only a minor part of nanowires is known to grow through the whole thickness of a template when potentiostatic electrodeposition is used [22][23][24][25]. Not only electrodeposition conditions but also thickness and structural defects in the AAO template influence the completeness of the template filling [26,27].…”

Section: Introductionmentioning

confidence: 99%

Uniform arrays of gold nanoelectrodes with tuneable recess depth

Gordeeva¹,

Roslyakov²,

Leontiev³

et al. 2021

Beilstein J. Nanotechnol.

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Nanoelectrode arrays are much in demand in electroanalytical chemistry, electrocatalysis, and bioelectrochemistry. One of the promising approaches for the preparation of such systems is templated electrodeposition. In the present study, porous anodic alumina templates are used to prepare Au nanoelectrode arrays. Multistage electrodeposition is proposed for the formation of recessed electrodes with the ability to tune the distance between the surface of the porous template and the top surface of the nanoelectrodes. A set of complementary techniques, including chronoamperometry, coulometry, and scanning electron microscopy, are used to characterize the nanoelectrode arrays. The number of active nanoelectrodes is experimentally measured. The pathways to further improve the recessed nanoelectrode arrays based on anodic alumina templates are discussed.

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Simulation of inhomogeneous pores filling in template electrodeposition of ordered metal nanowire arrays

Cited by 28 publications

References 29 publications

Electrodeposition of tin nanowires from a dichloromethane based electrolyte

Electrodeposition of tin nanowires from a dichloromethane based electrolyte

Nanobiosensing with Arrays and Ensembles of Nanoelectrodes

Uniform arrays of gold nanoelectrodes with tuneable recess depth

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