نتایج جستجو برای: electrochemical reaction

تعداد نتایج: 458008  

Journal: :physical chemistry and electrochemistry 0
davood kaviani young researchers and elite club, east tehran branch, islamic azad university, tehran, iran majid saghi department of chemistry, faculty of science, arak branch, islamic azad university, arak, iran maryam agha mohammadi department of chemistry, faculty of science, arak branch, islamic azad university, arak, iran mohammad hosein bigtan department of chemistry, faculty of science, arak branch, islamic azad university, arak, iran

the studies performed about electrochemical oxidation 2-amino-4-methylphenol indicate that ortho-quinone yielded through oxidation of this chemical compound was unstable and it could be used as michael acceptor under solvent influences, carrier electrolyte, additives and could be transformed into the various compounds in the form of 1-4 addition michael reaction. based on this, in the paper fir...

Journal: :Chemical communications 2013
You Xu Rui Wu Jingfang Zhang Yanmei Shi Bin Zhang

Nanoporous FeP nanosheets are successfully synthesized via the anion-exchange reaction of inorganic-organic hybrid Fe18S25-TETAH (TETAH = protonated triethylenetetramine) nanosheets with P ions. The as-prepared nanoporous FeP nanosheets exhibit high electrochemical hydrogen evolution reaction activity in acidic medium.

2014
Stephen M. Oja Joshua P. Guerrette Michelle R. David Bo Zhang

Recently, we introduced a new electrochemical imaging technique called fluorescence-enabled electrochemical microscopy (FFEM). The central idea of FEEM is that a closed bipolar electrode is utilized to electrically couple a redox reaction of interest to a complementary fluorogenic reaction converting an electrochemical signal into a fluorescent signal. This simple strategy enables one to use fl...

Journal: :Physical chemistry chemical physics : PCCP 2014
Ligang Feng Heron Vrubel Michaël Bensimon Xile Hu

Polydispersed dinickel phosphide (Ni2P) nanoparticles were synthesized by a simple and scalable solid-state reaction. These nanoparticles are an excellent and robust catalyst for the electrochemical hydrogen evolution reaction, operating in both acidic and basic solutions.

Journal: :Journal of the American Chemical Society 2005
Frank Hollmann Karin Hofstetter Tilo Habicher Bernhard Hauer Andreas Schmid

We report the first example of direct electrochemical regeneration of a flavin-dependent monooxygenase for asymmetric epoxidation catalysis. It is shown that electrochemical regeneration of the oxygenase subunit of the multicomponent styrene monooxygenase is sufficient to perform enantiospecific S-epoxidation of various styrene derivatives. Kinetic bottlenecks of the novel electroenzymatic reac...

Journal: :Chemical communications 2014
Md Mokhlesur Rahman Alexey M Glushenkov Thrinathreddy Ramireddy Ying Chen

The electrochemical behaviour of Co3O4 with sodium is reported here. Upon cycling in the voltage window of 0.01-3.0 V, Co3O4 undergoes a conversion reaction and exhibits a reversible capacity of 447 mA h g(-1) after 50 cycles. Therefore, nanostructured Co3O4 presents feasible electrochemical sodium storage, offering possibilities to develop new anode materials for sodium-ion batteries.

2015
Jacek W Morzycki Andrzej Sobkowiak

Indirect cholesterol electrochemical oxidation in the presence of various mediators leads to electrophilic addition to the double bond, oxidation at the allylic position, oxidation of the hydroxy group, or functionalization of the side chain. Recent studies have proven that direct electrochemical oxidation of cholesterol is also possible and affords different products depending on the reaction ...

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