نتایج جستجو برای: pulse electrodeposition

تعداد نتایج: 94286  

Journal: :Chemical communications 2011
Xiaosong Zhou Feng Peng Hongjuan Wang Hao Yu Yueping Fang

Novel carbon nitride polymer sensitized TiO(2) nanotube arrays with high photocatalytic activity and photoelectrochemical response under visible light irradiation are prepared by electrodeposition.

Journal: :Chemical communications 2005
Grzegorz A Orlowski Somenath Chowdhury Yi-Tao Long Todd C Sutherland Heinz-Bernhard Kraatz

Using electrodeposition of cyclic and acyclic Fc-peptide disulfides tightly-packed Fc-peptide monolayers were conveniently formed, which exhibit significant differences in their electron transfer kinetics.

Journal: :Tetsu-to-Hagane 1980

A Omidvar Dezfuli, B Jaleh, M Ahmadi, T Madrakian,

  In this work,copper/palladium (Cu/Pd) multilayer nanowires were successfully prepared by electrodeposition method using polycarbonate template. The fabrication of Pd/Cu multilayer nanowires was controlled by analyzing the current–time transient during electrodeposition using potentiostat. The morphological properties of the nanowires were studied by scanning electron microscopy (SEM) and resu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده فنی 1391

در این تحقیق، پوشش آلیاژی نیکل-فسفر با تکنیک رسوب دهی الکتریکی به روش جریان مستقیم بر روی فولاد ضد زنگ ایجاد شد. با استفاده از روش طراحی آزمایش تاگوچی، تاثیر دانسیته جریان، غلظت اسید فسفرو، زمان و ph بررسی گردید. به منظور تعیین فازهای موجود از روش آنالیز تفرق اشعه x و نیز ریزساختار و مورفولوژی پوشش ها توسط میکروسکوپ الکترونی sem و eds بررسی شد. نتایج نشان داد که دمای تغییر ساختار در پوشش حاوی 5...

Journal: :Chemical communications 2010
Fu-Lin Zheng Gao-Ren Li Yan-Nan Ou Zi-Long Wang Cheng-Yong Su Ye-Xiang Tong

Hierarchical rippled Bi(2)O(3) nanobelts were successfully synthesized by an electrodeposition route and tested as promising materials for supercapacitor applications.

Journal: :Science 2000
M P Zach K H Ng R M Penner

Metallic molybdenum (Mo(o)) wires with diameters ranging from 15 nanometers to 1.0 micrometers and lengths of up to 500 micrometers (0.5 millimeters) were prepared in a two-step procedure. Molybdenum oxide wires were electrodeposited selectively at step edges and then reduced in hydrogen gas at 500 degrees C to yield Mo(o). The hemicylindrical wires prepared by this technique were self-uniform,...

2004
K. Seshadri

Pulsed electrolysis of copper has been systematically investigated by electrodepositing copper from a copper sulfate bath. Pulse duty cycles of 5 to 80 percent, at frequencies from 10 to 100 Hz with current densities ranging from 2.5 to 7.5 A/dm2 were employed. The appearance of Hull Cell panels with both direct current and pulsed current was recorded. The influence of pulsed current on current...

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