Tailoring nickel coatings via electrodeposition from a eutectic-based ionic liquid doped with nicotinic acid

Yang, Huihui; Guo, Xingwu; Birbilis, Nick; Wu, Guohua; Ding, Wenjiang

doi:10.1016/j.apsusc.2011.05.106

Cited by 83 publications

(54 citation statements)

References 48 publications

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“…26 Guo et al also studied the additive effect of nicotinic acid in Reline for the electrodeposition of Ni additionally finding that nicotinic acid has the effect of refining the grain size of Ni deposits in this case. 2 However, Reline has a relatively high viscosity (300 cP at 298 K) and has relatively poor thermal and electrochemical stability.…”

Section: Introductionmentioning

confidence: 99%

“…6 Despite their maturity, aqueous deposition processes still possess significant limitations such as low current efficiency, coating embrittlement, stringent process control and bath complexity. 2 As such the use of novel ionic liquid 7 (IL) media and deep eutectic solvents 8 (DES) are gaining attention. These solvent/electrolyte media offer potential improvements in process control/efficiency, environmental sustainability and functionality as well as access to reactive metal deposition not previously possible (for example Al).…”

Section: Introductionmentioning

confidence: 99%

“…Some of the functional benefits which Ni coatings provide are corrosion resistance, electrocatalysis and use in magnetic applications, with their deposition primarily occurring from aqueous solutions. 2 The first practical Ni plating formulation was developed by Bottager in 1843 3 and since that time the formulations have become increasingly complex and varied as methods were found to add increased functionality to the resulting coatings such as increased hardness, improved throwing power, reduced coating stress, 4 improved adhesion and levelling/brightening. 5 Typically, improved surface morphology (homogeneous coatings with low surface roughness) levelling/brightening of Ni coatings is achieved with the use of additives which modify the deposition mechanism to achieve the desired impact on the resultant coating.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Bright metal coatings from sustainable electrolytes: the effect of molecular additives on electrodeposition of nickel from a deep eutectic solvent

Abbott

Ballantyne

Harris

et al. 2017

Phys. Chem. Chem. Phys.

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Organic and inorganic additives are often added to nickel electroplating solutions to improve surface finish, reduce roughness and promote uniform surface morphology of the coatings. Such additives are usually small molecules and often referred to as brighteners or levellers. However, there have been limited investigations into the effect of such additives on electrodeposition from ionic liquids (ILs) and deep eutectic solvents (DESs). Here we study the effect of four additives on electrolytic nickel plating from an ethyleneglycol based DES; these are nicotinic acid (NA), methylnicotinate (MN), 5,5-dimethylhydantoin (DMH) and boric acid (BA). The additives show limited influence on the bulk Ni(II) speciation but have significant influence on the electrochemical behaviour of Ni deposition. Small concentrations (ca. 15 mM) of NA and MN show inhibition of Ni(II) reduction whereas high concentrations of DMH and BA are required for a modest difference in behaviour from the additive free system. NA and MN also show that they significantly alter the nucleation and growth mechanism when compared to the additive free system and those with DMH and BA. Each of the additive systems had the effect of producing brighter and flatter bulk electrodeposits with increased coating hardness but XRD shows that NA and MN direct crystal growth to the [111] orientation whereas DMH and BA direct crystal growth to the [220] orientation.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Bright metal coatings from sustainable electrolytes: the effect of molecular additives on electrodeposition of nickel from a deep eutectic solvent

Abbott

Ballantyne

Harris

et al. 2017

Phys. Chem. Chem. Phys.

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“…In fact, there have been some reports on magnetic films such as Ni, Co, Ni-Co, Ni-Co-Sn, Sm-Co, and Co-Pt prepared from DESbased baths, [3][4][5][6][7][8][9][10] and we have also reported Fe and Fe-Ni films prepared in DES-based plating baths. 11,12 In our previous studies, we confirmed that the plating processes from the DES-based baths for the Fe and the Fe-Ni films have high current efficiency (>90%).…”

Section: Introductionmentioning

confidence: 97%

Magnetic Fe-Co films electroplated in a deep-eutectic-solvent-based plating bath

Yanai

Shiraishi

Watanabe

et al. 2015

Journal of Applied Physics

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We fabricated Fe-Co films from a deep eutectic solvent (DES)-based plating bath and investigated magnetic properties of the plated films. The plating baths were obtained by stirring the mixture of choline chloride, ethylene glycol, FeCl 2 Á4H 2 O, and CoCl 2 Á6H 2 O. The composition of the plated films depended on the amount of FeCl 2 Á4H 2 O in the plating bath, and Fe content of the films was varied from 0 to 100 at. %. Depending on the Fe content, the saturation magnetization and the coercivity of the films varied. The Fe 76 Co 24 film shows high saturation magnetization and smooth surface, and the change in the saturation magnetization shows good agreement with the expected change by the Slater-Pauling curve. High current efficiency (>90%) could be obtained in the wide film composition. From these results, we concluded that the DES-based plating bath is one of effective baths for the Fe-Co films with high current efficiency. V C 2015 AIP Publishing LLC.

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“…Some researchers electroplated metallic magnetic materials of Ni, Co, Ni-Co, Ni-Co-Sn, Sm-Co, and Co-Pt from DES-based baths and reported that potentials of DESs as future non-aqueous solutions. [21][22][23][24][25][26][27] Hence, we expected that DESs enable us to obtain various types of Fe-based magnetic films by taking advantage of the wide potential window and focused on Fe films as a pre-stage of plating of the Fe-based films. In this study, we investigated the magnetic properties of Fe films plated in a DES-based bath and evaluated the productivity for the plating process.…”

Section: Introductionmentioning

confidence: 99%

Electroplated Fe films prepared from a deep eutectic solvent

Yanai

Shiraishi

Shimokawa

et al. 2014

Journal of Applied Physics

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Electroplating of Fe films was carried out from choline chloride-ethylene glycol types of DES (Deep Eutectic Solvent). We investigated magnetic properties of the plated Fe films and evaluated the productivity for the electroplating process. Consequently, we found that surface morphology and current efficiency of the plated films were affected by the bath temperature. We obtained the Fe films with relatively smooth surface and high current efficiency in the bath temperature range from 70 to 110 C. The deposition rate for our process depended on the current density, and we obtained high deposition rate value of approximately 120 lm/h. We also obtained high current efficiency values of approximately 90% in the wide range of plating time. These results indicate that the DES-based bath has industrial advantages for mass-producing Fe films. Therefore, we conclude that the DES-based bath is an attractive plating bath for Fe films. V C 2014 AIP Publishing LLC.

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Tailoring nickel coatings via electrodeposition from a eutectic-based ionic liquid doped with nicotinic acid

Cited by 83 publications

References 48 publications

Bright metal coatings from sustainable electrolytes: the effect of molecular additives on electrodeposition of nickel from a deep eutectic solvent

Bright metal coatings from sustainable electrolytes: the effect of molecular additives on electrodeposition of nickel from a deep eutectic solvent

Magnetic Fe-Co films electroplated in a deep-eutectic-solvent-based plating bath

Electroplated Fe films prepared from a deep eutectic solvent

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