نتایج جستجو برای: electrochemical properties

تعداد نتایج: 911496  

Journal: :Chemical reviews 2008
Jun-ichi Yoshida Kazuhide Kataoka Roberto Horcajada Aiichiro Nagaki

4.2. Solid-Supported Electrolytes 2280 4.3. Solid-Supported Mediators 2282 4.4. Supported Substrate-Product Capture 2283 4.5. A Unique Electrolyte/Solvent System 2285 5. Reaction Conditions 2285 5.1. Supercritical Fluids 2285 5.1.1. Electrochemical Properties of scCO2 2285 5.1.2. Electroreductive Carboxylation in scCO2 2286 5.1.3. Electrochemical Polymerization in scCO2 2286 5.2. The Cation-Poo...

Journal: :Nanoscale 2011
Meixia Li Jun E Zhu Lili Zhang Xu Chen Huimin Zhang Fazhi Zhang Sailong Xu David G Evans

Layered double hydroxides (LDHs), also known as hydrotalcite-like anionic clays, have been investigated widely as promising electrochemical active materials. Due to the inherently weak conductivity, the electrochemical properties of LDHs were improved typically by utilization of either functional molecules intercalated between LDH interlayer galleries, or proteins confined between exfoliated LD...

Journal: :Nature communications 2014
Liam Collins Stephen Jesse Jason I Kilpatrick Alexander Tselev Oleksandr Varenyk M Baris Okatan Stefan A L Weber Amit Kumar Nina Balke Sergei V Kalinin Brian J Rodriguez

The presence of mobile ions complicates the implementation of voltage-modulated scanning probe microscopy techniques such as Kelvin probe force microscopy (KPFM). Overcoming this technical hurdle, however, provides a unique opportunity to probe ion dynamics and electrochemical processes in liquid environments and the possibility to unravel the underlying mechanisms behind important processes at...

2013
Xin-Yao Yu Qiang-Qiang Meng Tao Luo Yong Jia Bai Sun Qun-Xiang Li Jin-Huai Liu Xing-Jiu Huang

We revealed an interesting facet-dependent electrochemical behavior toward heavy metal ions (HMIs) based on their adsorption behaviors. The (111) facet of Co3O4 nanoplates has better electrochemical sensing performance than that of the (001) facet of Co3O4 nanocubes. Adsorption measurements and density-functional theory (DFT) calculations reveals that adsorption of HMIs is responsible for the d...

Journal: :Journal of materials science. Materials in medicine 2002
Hui Zhao Jan Van Humbeeck Jürgen Sohier Ivan De Scheerder

Surface smoothness is one of the properties determining the performance of stents. Therefore, surface polishing shows its importance in the exploitation and production of stents. The present study explores electrochemical polishing of 316L stainless steel slotted tube coronary stents produced by laser cutting. Acid pickling was also studied as a pre-treatment of electrochemical polishing of the...

A. Aliakbar B. Ghalami Choobar Nosratollah Mahmoodi, Tayebeh Besharati-Seidani,

Bicyclic aziridines show exclusive photochromic behavior. Here, we summarize the results of optical and electrochemical properties, such as photochemical, solvatochromic, electrochromic andkinetic behavior of bicyclic aziridines linked to chalcone moieties. The photochromic process for conversion of closed photoisomers to open photoisomers for compounds 1-10 followed zero-order kinetics. For co...

Kolsum Qasemi Maryam Shaterian Mohammad Ali Rezvani Vahideh Shahsavandi

La2O2SO4 nanoceramic was synthesized via sol-gel method using lanthanum nitrate and thioacetamid as precursors and stearic acid as polymeric precursor. The characterization studies were conducted by X-ray diffraction, energy dispersive X-ray spectroscopy and scanning electron microscopy. The result showed that the synthesized sample belongs to monoclinic structure with the average sizes between...

2014
Sanaz Pilehvar Tarryn Dierckx Ronny Blust Tom Breugelmans Karolien De Wael

We report on the aptadetection of chloramphenicol (CAP) using electrochemical impedance spectroscopy. The detection principle is based on the changes of the interfacial properties of the electrode after the interaction of the ssDNA aptamers with the target molecules. The electrode surface is partially blocked due to the formation of the aptamer-CAP complex, resulting in an increase of the inter...

Journal: :Journal of the American Chemical Society 2005
Wesley R Browne Noel M O'Boyle William Henry Adrian L Guckian Sabine Horn Thomas Fett Christine M O'Connor Marco Duati Luisa De Cola Colin G Coates Kate L Ronayne John J McGarvey Johannes G Vos

The synthesis, characterization, and electrochemical, photophysical, and photochemical properties of the binuclear compounds [(Ru(H8-bpy)2)2((Metr)2Pz)](PF6)2 (1) and [(Ru(D8-bpy)2)2((Metr)2Pz)](PF6)2 (2), where bpy is 2,2'-bipyridine and H2(Metr)2Pz is the planar ligand 2,5-bis(5'-methyl-4'H-[1,2,4]triaz-3'-yl)pyrazine, are reported. Electrochemical and spectro-electrochemical investigations i...

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