Recent progress in electrodeposition of thermoelectric thin films and nanostructures

Xiao, Feng; Hangarter, Carlos M.; Yoo, Bongyoung; Rheem, Youngwoo; Lee, Kyu-Hwan; Myung, Nosang V.

doi:10.1016/j.electacta.2008.06.015

Cited by 245 publications

(158 citation statements)

References 121 publications

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“…New applications of the metal electrodeposition emerge together with the technological development. Thin metal films, metal nanostructures, and alloys may be used in fabrication of thermoelectric devices, such as coolers and power generators [16]. Metal surface modification processes, such as titanium anodizing, are widely used in the medical industry [17].…”

Section: Metalsmentioning

confidence: 99%

Influence of constant magnetic field on electrodeposition of metals, alloys, conductive polymers, and organic reactions

Kołodziejczyk

Miękoś

Zieliński

et al. 2018

J Solid State Electrochem

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The paper presents and summarizes some research on constant magnetic field effects in chemistry. Metals and alloys electrodeposited under constant magnetic field have greater thickness and smoother surface with finest grains. Metallic materials deposited under the influence of uniform magnetic field may have stronger corrosion resistance, than those obtained without the presence of magnetic field. Constant magnetic field also causes an increase of the electropolymerization rate and yield of some organic reactions. Our research also shows that the presence of constant magnetic field affects the electrodeposition process of alloys and their morphology to a great extent. The effects of magnetic field on metals, alloys, composites, polymers and other materials are due to the Lorentz force and the magnetohydrodynamic effect. It is possible that the further development of magnetoelectrodeposition will allow for using the constant magnetic field to improve the properties of metal coatings, alloys, polymers, and other materials in the industry.

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Section: Metalsmentioning

confidence: 99%

Influence of constant magnetic field on electrodeposition of metals, alloys, conductive polymers, and organic reactions

Kołodziejczyk

Miękoś

Zieliński

et al. 2018

J Solid State Electrochem

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“…Among thin-film deposition methods, electrodeposition is most favorable for reducing the manufacturing cost since high deposition rates can be achieved and since the use of a vacuum system and a large power supply is not necessary [32][33][34]. However, a drawback of electrodeposition is that thin films can only be deposited on conductive substrates, making it difficult to fabricate working thermoelectric generators because the generated electric current mainly passes through conductive substrates.…”

Section: Introductionmentioning

confidence: 99%

Combination of Electrodeposition and Transfer Processes for Flexible Thin-Film Thermoelectric Generators

et al. 2018

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Abstract:To reduce consumption for ambient assisted living (AAL) applications, we propose the design and fabrication of flexible thin-film thermoelectric generators at a low manufacturing cost. The generators were fabricated using a combination of electrodeposition and transfer processes. N-type Bi 2 Te 3 films and p-type Sb 2 Te 3 films were formed on a stainless-steel substrate employing potentiostatic electrodeposition using a nitric acid-based bath, followed by a transfer process. Three types of flexible thin-film thermoelectric generators were fabricated. The open circuit voltage (V oc ) and maximum output power (P max ) were measured by applying a temperature difference between the ends of the generator. The thin-film generators obtained using thermoplastic sheets with epoxy resin exhibited a V oc that was tens of millivolts. In particular, the contact resistance of the thin-film generator decreased when silver paste was inserted at the junctions between the n-and p-type films. The most flexible thin-film generator fabricated in this study exhibited a P max of 10.4 nW at a temperature difference of 60 K. The current performance of the generators was too low, but we innovated a combination process to prepare them. It is expected to increase the performance by further decreasing the micro-cracks and contact resistance in the generators.

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“…ÞÞ methods, electrodeposition is one of the most cost-effective techniques for the fabrication of nanostructured materials. The advantages of electrodeposition include: room temperature operation, thus reducing problems with thermal stress; low equipment cost; no vacuum requirement; high deposition rates; and easy scalability [17]. Several authors have been used electrochemical deposition to develop CoSb 3 .…”

Section: Introductionmentioning

confidence: 99%

Electrodeposition of Ni and Te‐doped Cobalt Triantimonide in Citrate Solutions

et al. 2015

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Skutterudite compounds form a new class of potential candidates for thermoelectric applications. Cobalt triantimonide (CoSb3) shows good thermoelectric properties at medium and high temperatures. Doping this system with substitution elements, for either Co or Sb or both, may result in an increase of the thermoelectric figure of merit (ZT). This work focused on the electrochemical doping and characterization of films and nanowires of Co‐Sb system in citrate solutions using gold‐coated PCTE templates. The electrodeposition was performed on gold surface that was pre‐treated electrochemically to ensure reproducible results. The electrochemical treatment acted as an annealing process for the surface, which resulted in an increase in Au(111) as demonstrated by XRD. Detailed electrochemical studies including deposition‐stripping experiments was performed in order to develop a better understanding of the co‐deposition kinetics and a better control over the composition of doped Co‐Sb system. Scanning electron microscopy (SEM/EDS) helped study the morphology and the composition of the doped and undoped Co‐Sb system. Co‐deposition of Co‐Sb showed that the amount of Co is higher in nanowires than in film or mushroom caps due to the slow Sb deposition rate dictated by slow Sb(III) complex diffusion. Doped nanowires have been also obtained. Both Ni and Te electrochemical doping of the Co‐Sb system affected the composition of the deposit but there was no effect on nanowire morphology.

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Recent progress in electrodeposition of thermoelectric thin films and nanostructures

Cited by 245 publications

References 121 publications

Influence of constant magnetic field on electrodeposition of metals, alloys, conductive polymers, and organic reactions

Influence of constant magnetic field on electrodeposition of metals, alloys, conductive polymers, and organic reactions

Combination of Electrodeposition and Transfer Processes for Flexible Thin-Film Thermoelectric Generators

Electrodeposition of Ni and Te‐doped Cobalt Triantimonide in Citrate Solutions

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