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Items from 1 to 20 out of 7,012 results

article

Structural and Optical Annealing Route-Dependent Properties of CZTS Thin Films Grown by One-Step Electrodeposition with Free Annealing Sulfurization for Photovoltaic Application

S. Azmi, E. M. Khoumri, M. E. Marrakchi, L. Pezzato, more

Journal of Electronic Materials > 2019 > 48 > 12 > 8254-8260

In the electrodeposition-anneal processes, the as-deposited film presents a deficiency of S which makes sulfurization inevitable. In this paper, an electrolyte was used for elaborating Cu₂ZnSnS₄ thin films with free annealing sulfurization onto indium-doped tin oxide-coated glass substrates for solar cell applications. For a one-step elaboration of CZTS thin films, a potentiostatic process has been...

article

Simplified formation process for Cu2ZnSnS4-based solar cells

Dominik M. Berg, Alexandre Crossay, Jérôme Guillot, Victor Izquierdo-Roca, more

Thin Solid Films > 2014 > 573 > Complete > 148-158

Cu ₂ ZnSn(S,Se) ₄ absorber layers for thin film solar cells contain up to five separate elements making it challenging to synthesize due to the necessity of achieving chemical uniformity on a nanometer scale. In a two-step synthesis procedure a metallic Cu-Sn-Zn precursor can be converted uniformly to the semiconductor by the reaction with gaseous chalcogens. Here, it is demonstrated...

article

Electrochromic device application of tungsten oxide film with polymer electrolytes

Dilek Evecan, Oguz Gurcuoglu, Esra Ozkan Zayim, D. Evecan, more

Microelectronic Engineering > 2014 > 128 > Complete > 42-47

We have compared tungsten chloride, peroxotungstic acid and acetylated peroxotungstic acid precursors in terms of their efficiency to prepare tungsten oxide thin films in our recent work. Therein, our results indicated the superiority of tungsten hexachloride over the others, in the sense that the formation of the film requires shorter deposition time of film and lower potential of deposition, when...

article

Voltammetric study and electrodeposition of tellurium, lead, and lead telluride in room-temperature ionic liquid 1-ethyl-3-methylimidazolium tetrafluoroborate

Ren-Wei Tsai, Yi-Ting Hsieh, Po-Yu Chen, I-Wen Sun, more

Electrochimica Acta > 2014 > 137 > Complete > 49-56

Room-temperature ionic liquid 1-ethyl-3-methylimidazolium tetrafluoroborate (RTIL EMI-BF ₄ ) was used as the electrolyte to study the voltammetric behavior of Te(IV), Pb(II), and their mixtures. Te(IV) and Pb(II) were introduced into the IL by the addition of TeCl ₄ and PbCl ₂ , respectively, with sufficient 1-ethyl-3-methylimidazolium chloride (EMIC). The electrodeposition...

article

Formic acid oxidation on Bi covered Pt electrodeposited thin films: influence of the underlying structure

Erwan Bertin, Sébastien Garbarino, Daniel Guay, E. Bertin, more

Electrochimica Acta > 2014 > 134 > Complete > 486-495

Preferentially oriented (100) Pt electrodes, with up to 38% of (100) surface sites, were prepared by potentiostatic deposition. For comparison, disoriented Pt electrodes were obtained from the former electrodes following extensive potential cycling (25 cycles at 50mV s ⁻¹ between 0.24 and 1.24V vs SCE) in 0.5M H ₂ SO ₄ sulfuric acid. The adsorption of Bi was performed in a...

article

Direct Electrodeposition of Gold Nanostructures onto Glassy Carbon Electrodes for Non-enzymatic Detection of Glucose

Honghui Shu, Leilei Cao, Gang Chang, Hanping He, more

Electrochimica Acta > 2014 > 132 > Complete > 524-532

Dendrite-like gold nanostructures (DGNs) were directly electrodeposited onto the surface of a glassy carbon electrode (GCE) via the potentiostatic method without any templates, surfactants, or stabilizers. The effects of the deposition time, potential and the concentration of precursor solution on the evolution of the nanostructure and on the electrocatalytic activity of the DGNs were systematically...

article

Improvement of Bismuth Telluride electrodeposited films by the addition of Sodium Lignosulfonate

O. Caballero-Calero, P. Díaz-Chao, B. Abad, C.V. Manzano, more

Electrochimica Acta > 2014 > 123 > Complete > 117-126

In this work we report the improvement on the electrodeposition of Bi ₂ Te ₃ films with the c-axis parallel to the surface of the substrate. This has been done with the addition of a surfactant agent (sodium lignosulfonate) to the electrochemical bath. A thorough study of the electrodeposition parameters and the material composition, morphology, crystallographic orientation and transport...

article

Preparation of stable superhydrophobic film on stainless steel substrate by a combined approach using electrodeposition and fluorinated modification

Junsheng Liang, Dong Li, Dazhi Wang, Kuanyao Liu, more

Applied Surface Science > 2014 > 293 > Complete > 265-270

A combined electrodeposition and fluorinated modification approach for preparation of stable superhydrophobic film on SS316L substrate is presented. Nickel film with micro-nano binary structure was coated on the substrate using electrodeposition techniques and then followed by a fluorinated modification process to obtain superhydrophobic surface. The surface morphology of the nickel film at micro/nano...

article

Tin–zinc alloy electrodeposition from aqueous citrate baths

Honorata Kazimierczak, Piotr Ozga, Aldona Jałowiec, Remigiusz Kowalik, more

Surface & Coatings Technology > 2014 > 240 > Complete > 311-319

The process of tin–zinc alloy electrodeposition from aqueous citrate electrolytes was studied. The influence of applied potential, current density, hydrodynamic conditions, electrolyte composition and charge transfer on the electrodeposition of Sn–Zn alloy was determined. Depending on these parameters, coatings with different compositions and appearances can be obtained. The surface composition of...

article

Electrochemical synthesis and characterization of Gadolinia-Doped Ceria thin films

O.S. Khalipova, V. Lair, A. Ringuedé, O.S. Khalipova, more

Electrochimica Acta > 2014 > 116 > Complete > 183-187

Cerium oxide based materials are versatile compounds in terms of properties and applications. This work analyses the production of thin layers, of less than 2μm thick of Gd-doped ceria (GDC) solid solution for high temperature electrochemical applications such as fuel cells and electrolyser cells. We focused on the synthesis of the deposit by cathodic electrodeposition by means of one unique chemical...

article

A silica co-electrodeposition route to nanoporous Co3O4 film electrode for oxygen evolution reaction

Lian-Kui Wu, Ji-Ming Hu, L.K. Wu, J.M. Hu

Electrochimica Acta > 2014 > 116 > Complete > 158-163

Nanoporous Co ₃ O ₄ (po-Co ₃ O ₄ ) films have been prepared on stainless steel substrate by a novel two-step method. Firstly, a composite Co ₃ O ₄ -SiO ₂ film was fabricated via electrochemical co-deposition under a cathodic potential from the mixed sol-gel precursor. Then, the obtained composite film was underwent consecutive cycling voltammetries...

article

Advanced Composite Lithium Metal Anodes with 3D Frameworks: Preloading Strategies, Interfacial Optimization, and Perspectives

Jiaqi Cao, Guoyu Qian, Xueyi Lu, Xia Lu

Small > 19 > 10 > n/a - n/a

Lithium (Li) metal is regarded as the most promising anode candidate for next‐generation rechargeable storage systems due to its impeccable capacity and the lowest electrochemical potential. Nevertheless, the irregular dendritic Li, unstable interface, and infinite volume change, which are the intrinsic drawbacks rooted in Li metal, give a seriously negative effect on the practical commercialization...

article

Realizing Textured Zinc Metal Anodes through Regulating Electrodeposition Current for Aqueous Zinc Batteries

Wentao Yuan, Xueyu Nie, Guoqiang Ma, Mengyu Liu, more

Angewandte Chemie International Edition > 62 > 10 > n/a - n/a

Crystallography modulation of zinc (Zn) metal anode is promising to promote Zn reversibility in aqueous electrolytes, but efficiently constructing Zn with specific crystallographic texture remains challenging. Herein, we report a current‐controlled electrodeposition strategy to texture the Zn electrodeposits in conventional aqueous electrolytes. Using the electrolytic cell with low‐cost Zn(CH₃COO)...

article

Realizing Textured Zinc Metal Anodes through Regulating Electrodeposition Current for Aqueous Zinc Batteries

Wentao Yuan, Xueyu Nie, Guoqiang Ma, Mengyu Liu, more

Angewandte Chemie > 135 > 10 > n/a - n/a

article

Facile electrochemical fabrication of high‐performance graphene quantum dots‐supported Mn₃O₄/Ag hybrid catalyst for oxygen reduction reaction in alkaline media

Parisa Akbarian, Mehdi Kheirmand, Monireh Faraji

International Journal of Energy Research > 46 > 15 > 23004 - 23019

In this study, a novel electrocatalyst based on graphene quantum dots (GQDs)‐supported manganese oxide (Mn₃O₄) and silver (Ag) (denoted as GQDs/Mn₃O₄/Ag) is fabricated through the electrodeposition method, and its performance is examined toward oxygen reduction reaction (ORR). Electrochemical investigations reveal that the ORR mechanism on the fabricated catalyst forward through a four‐electron transfer...

article

Antimony Selenide Thin Films by Electrodeposition: Influence of Deposition Conditions and Post‐Deposition Thermal Treatment on Physical and Photoelectrochemical Properties

Rocio Guadalupe Avilez García, Andrea Cerdán-Pasarán, Arturo Fernández Madrigal, Nini Rose Mathews

physica status solidi (a) > 219 > 21 > n/a - n/a

Herein, Sb₂Se₃ thin films are obtained by the electrodeposition technique from a single bath on fluorine‐doped tin oxide (FTO) substrates. The electrodeposition conditions such as precursor concentration and applied potential, as well as the annealing temperature, and its influence on the structural, morphological, optical, and photoelectrochemical properties are analyzed. From the cyclic voltammetry...

article

Intermediate Valence Ion‐Mediated Electrodeposition Process (Small 44/2022)

Teng Hu, Yanling Wang, Liyan Zhao, Shikuan Yang

Small > 18 > 44 > n/a - n/a

Microstructure Design In article number 2203229, Shikuan Yang and co‐workers propose an avenue to regulate the morphologies of the electrodeposits during the anodic electrodeposition process by introducing the intermediate valence ions (e.g., Pb²⁺, Mn²⁺, etc.) into the electrolyte solutions. The intermediate valence ions could react with the electrochemically oxidized Ag²⁺/Ag³⁺ ions with strong oxidation...

article

Intermediate Valence Ion‐Mediated Electrodeposition Process

Teng Hu, Yanling Wang, Liyan Zhao, Shikuan Yang

Small > 18 > 44 > n/a - n/a

The assembly of biomolecules and ions (e.g., biomineralization process) generates many intricate structures in nature. However, human beings’ control over the assembly processes of ions is in its infant stage compared with nature. Here, it is reported that the intermediate valence metal ions in the electrolyte can influence the growth speed of certain crystal facets and in turn adjust the shape of...

article

Sculpting Electrochemically Growing or Grown Microarchitectures

Yanling Wang, Liyan Zhao, Aoran Cui, Xiaojiang Wang, more

Small > 18 > 42 > n/a - n/a

Microarchitectures with complex interior structures are important for many applications. However, engineering complex interior structures within microarchitectures are challenging. This article reports the introduction of electrochemical sculpting processes to carve the microarchitectures during or after their electrochemical growing process to design the interior structure of the microarchitectures...

article

Electrodeposition of Ni‐P alloy from deep eutectic solvent and its electrocatalytic activity toward hydrogen evolution reaction

Lin Li, Shizhan Sheng, Huihua Wang, Tianpeng Qu, more

The Canadian Journal of Chemical Engineering > 100 > 11 > 3381 - 3394

Ni‐P alloys have been successfully electrodeposited in the choline chloride and ethylene glycol with a molar proportion of 1:2(CE) electrolyte and their activities toward hydrogen evolution reaction (HER) have been also evaluated. The electrodeposition of Ni‐P alloy follows a co‐deposition process, and the bulk growth of which depends on an instantaneous nucleation under diffusion control. The morphologies...

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Search results

Structural and Optical Annealing Route-Dependent Properties of CZTS Thin Films Grown by One-Step Electrodeposition with Free Annealing Sulfurization for Photovoltaic Application

Simplified formation process for Cu2ZnSnS4-based solar cells

Electrochromic device application of tungsten oxide film with polymer electrolytes

Voltammetric study and electrodeposition of tellurium, lead, and lead telluride in room-temperature ionic liquid 1-ethyl-3-methylimidazolium tetrafluoroborate

Formic acid oxidation on Bi covered Pt electrodeposited thin films: influence of the underlying structure

Direct Electrodeposition of Gold Nanostructures onto Glassy Carbon Electrodes for Non-enzymatic Detection of Glucose

Improvement of Bismuth Telluride electrodeposited films by the addition of Sodium Lignosulfonate

Preparation of stable superhydrophobic film on stainless steel substrate by a combined approach using electrodeposition and fluorinated modification

Tin–zinc alloy electrodeposition from aqueous citrate baths

Electrochemical synthesis and characterization of Gadolinia-Doped Ceria thin films

A silica co-electrodeposition route to nanoporous Co3O4 film electrode for oxygen evolution reaction

Advanced Composite Lithium Metal Anodes with 3D Frameworks: Preloading Strategies, Interfacial Optimization, and Perspectives

Realizing Textured Zinc Metal Anodes through Regulating Electrodeposition Current for Aqueous Zinc Batteries

Realizing Textured Zinc Metal Anodes through Regulating Electrodeposition Current for Aqueous Zinc Batteries

Facile electrochemical fabrication of high‐performance graphene quantum dots‐supported Mn₃O₄/Ag hybrid catalyst for oxygen reduction reaction in alkaline media

Antimony Selenide Thin Films by Electrodeposition: Influence of Deposition Conditions and Post‐Deposition Thermal Treatment on Physical and Photoelectrochemical Properties

Intermediate Valence Ion‐Mediated Electrodeposition Process (Small 44/2022)

Intermediate Valence Ion‐Mediated Electrodeposition Process

Sculpting Electrochemically Growing or Grown Microarchitectures

Electrodeposition of Ni‐P alloy from deep eutectic solvent and its electrocatalytic activity toward hydrogen evolution reaction

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