نتایج جستجو برای: pulse electrodeposition

تعداد نتایج: 94286  

Journal: :Journal of Electroanalytical Chemistry 2023

A template-free method for the electrochemical deposition of poly(3-hexylthiophene) (P3HT) has been demonstrated. Electrodeposition is preceded by an nucleation step, which essential in producing even film over electrode surface without needing any pre-treatment through coatings or self-assembled monolayers. The produced highly nanostructured, being made up interconnected wire-like structures o...

Journal: :The Analyst 2013
Shanshan Li Dan Du Jing Huang Haiyang Tu Yuqi Yang Aidong Zhang

This paper presents the fabrication of a molecularly imprinting sol-gel hybrid film by the one-step electrodeposition of the constitutional individuals including chitosan (CS), phenyltrimethoxysilane (PTMS), in situ formed gold nanoparticles (AuNPs) and template p-nitrophenol (p-NP). The electrodeposition was triggered by applying an optimal potential at -0.30 V vs. SCE, leading to the formatio...

2014
T. Nishida

Deterioration of reinforced concrete members and their repair methods have been reported in various concrete published reports. Electrodeposition method is one of these repair methods for repairing deteriorated concrete members using an electrochemical mechanism. The purposes of the electrodeposition method are to fill cracks in concrete and to coat the concrete surface by electrodeposits of ch...

2015
Mahendran Samykano Ram Mohan Shyam Aravamudhan

The objective of this work is to study the effect of two key factors external magnetic field and applied current density during template-based electrodeposition of nickel nanowires using an electrode distance of 20 mm. Morphology, length, crystallite size and crystallographic characterization of the grown nickel nanowires at an electrode distance of 20mm are presented. For this electrode distan...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2005
Li-Qun Wu Kyuyong Lee Xiang Wang Douglas S English Wolfgang Losert Gregory F Payne

Nanoscale particles offer a variety of interesting properties, and there is growing interest in their assembly into higher ordered structures. We report that the pH-responsive aminopolysaccharide chitosan can mediate the electrodeposition of model nanoparticles. Chitosan is known to electrodeposit at the cathode surface in response to a high localized pH. To demonstrate that chitosan can mediat...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2009
Jie Ke Wenta Su Steven M Howdle Michael W George David Cook Magda Perdjon-Abel Philip N Bartlett Wenjian Zhang Fei Cheng William Levason Gillian Reid Jason Hyde James Wilson David C Smith Kanad Mallik Pier Sazio

Electrodeposition is a widely used materials-deposition technology with a number of unique features, in particular, the efficient use of starting materials, conformal, and directed coating. The properties of the solvent medium for electrodeposition are critical to the technique's applicability. Supercritical fluids are unique solvents which give a wide range of advantages for chemistry in gener...

2006
Chia-Chi Wang Yu-Ching Weng Tse-Chuan Chou

An amperometric acetone sensor was developed by using an electrodeposited Pb electrode in a sodium tartrate electrolyte. The major factors determining the electrode and sensing characteristics such as the applied potential, electrodeposition current density, electrodeposition temperature, agitation rate, and sensing temperature were explored. The best conditions for preparation of the electrode...

Journal: :IJALR 2011
Y. H. Shaikh A. R. Khan K. B. Patange J. M. Pathan S. H. Behere

This paper presents the study of dynamic electrical resistance of the electrodeposition cell during the growth metallic dendrites showing fractal character. The electric resistance of the circular electrodeposition cell is measured in real time using a computer based data acquisition system. The data acquisition system constructed is capable of measuring the cell voltage and the current through...

Journal: :Physical review letters 2017
Zeeshan Ahmad Venkatasubramanian Viswanathan

We generalize the conditions for stable electrodeposition at isotropic solid-solid interfaces using a kinetic model which incorporates the effects of stresses and surface tension at the interface. We develop a stability diagram that shows two regimes of stability: a previously known pressure-driven mechanism and a new density-driven stability mechanism that is governed by the relative density o...

2013
Cheng-Hsiung Peng Tsung-Yung Wu Chyi-Ching Hwang

A single-bath electrodeposition method was developed to integrate multilayer Ag/Co nanowires with a commercial anodic alumina oxide (AAO) template with a pore diameter of 100-200 nm. An electrolyte system containing silver nitride and cobalt sulfide was studied using cyclic voltammetry, and the electrodeposition rate was varied to optimize the electrodeposition conditions. A constant stepwise p...

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