Results 161 to 170 of about 2,411 (210)
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EQCM study of electropolymerization and redox cycling of 3,4-polyethylenedioxythiophene
Journal of Electroanalytical Chemistry, 2001Polyethylenedioxythiophene films were electropolymerized potentiostatically (E=1.1–1.3 V/SHE) at a gold electrode covering an EQCM from solutions containing monomer, lithium perchlorate and non-ionic surfactant (polyoxyethylene-10-laurylether). The ion exchange was studied by EQCM during redox cycling at a scan rate of 20–50 mV s−1 in 0.5 M LiClO4+0.5 ...
J W Schultze
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Material sustainability and EQCM exploration. A pertinent coupling?
, 2022 Material sustainability studies is of prime interest in different domains of application due to major environmental issue. Most are solved by using well adapted protective films in order to limit the material degradation. Nevertheless, in some cases the efficiency is not enough and it is well suitable to have a deep exploration of what happens during ...
Acevedo, N. +3 more
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Investigation of FeS Precipitation Kinetics by EQCM
CORROSION 2019, 2019Abstract The precipitation kinetics of FeS were studied at varied system temperatures using an Electrochemical Quartz Crystal Microbalance (EQCM). Two different substrates were used for FeS precipitation studies: a cathodically polarized iron-coated quartz crystal, and a freely corroding iron-coated quartz crystal.
Zheng Ma +3 more
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EQCM studies on polypyrrole in aqueous solutions
Journal of Electroanalytical Chemistry, 1997Abstract Electrochemical quartz crystal microbalance (EQCM) studies revealed that the electrochemical properties of polypyrrole (PPY) in aqueous solutions are greatly dependent on the solution pH. A PPY film immersed in an aqueous KCl solution shows redox processes which involve not only anion transport but also cation transport if the solution pH is
Qingji Xie +2 more
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Electropreparation and characterization of polyNiTSPc films. An EQCM study
Journal of Electroanalytical Chemistry, 2005Abstract Thin films of polyNi(II)tetrasulfophthalocyanine (polyNiTSPc) electrodeposited on a gold electrode by potential cycling in 0.1 M NaOH solutions containing 1 mM Ni(II) tetrasulfophthalocyanine were studied by cyclic voltammetry, electrochemical quartz crystal microbalance and impedance techniques.
M.S. Ureta-Zañartu +5 more
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Analysis of cholinesterase binding to a carnitine-modified EQCM sensor
Biosensors and Bioelectronics, 2007A sensor for cholinesterases (ChEs) has been developed by binding carnitine via 1,6-diaminohexane to a mixed monolayer of 11-mercaptoundecanoic acid/11-mercapto-1-undecanol on the surface of a gold-coated quartz crystal. Catalytically active and organophosphate-inhibited acetyl- and butyryl-cholinesterases of different origins were tested for their ...
Jiri, Zeravik +2 more
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The EQCM: electrogravimetry with a light touch
Journal of Solid State Electrochemistry, 2011In its simplest manifestation, the electrochemical quartz crystal microbalance (EQCM) is a relatively new device for executing a classical technique, electrogravimetry. The advantages it brought were in situ applicability (notwithstanding prior misconceptions regarding damping by a contacting fluid), exceptional sensitivity and dynamic capability ...
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A SECM assisted EQCM study of iron pitting
Electrochimica Acta, 2007The local breakdown of the iron passive layer and the resulting pitting corrosion of iron were studied for massive material and for a thin film on an electrochemical quartz crystal microbalance (EQCM). The initiation and the propagation of a single pit on iron were controlled through the local production of chloride anion thanks to the silver chloride ...
Gabrielli, Claude +6 more
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EQCM Study on Dissolution of Ruthenium in Sulfuric Acid
Journal of The Electrochemical Society, 2008This study reports on the nanolevel dissolution and polarization behavior of electrodeposited Ru in 0.5 mol L -1 H 2 SO 4 solution with the help of an electrochemical quartz crystal microbalance (EQCM) and inductively coupled plasma-mass spectrometry (ICP-MS) analysis.
Y. Sugawara +3 more
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Investigation of FeCO3 and FeS Precipitation Kinetics by EQCM
CORROSION 2018, 2018Abstract Corrosion product layers play a key role in the corrosion processes by precipitating on the steel surface and can lead either to enhanced corrosion protection or, in some cases, to severe pitting, depending on the conditions. The kinetics of precipitation of corrosion product layers has a direct impact on the layers properties ...
Zheng Ma +4 more
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