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kinetics of desorption of alkanethiolates on gold

  • Electrochemical Desorption and Adsorption of Nonyl

    The electrochemical behavior of a nonanethiol layer adsorbed on Au(111), Au(110), and on a Au polycrystal has been examined using cyclic voltammetry. The reductive desorption and the oxidative redeposition of the nonanethiol molecules at the Au(111) surface have been shown to depend strongly on the pH of the electrolyte solutions. While the amount of material reductively desorbed from the

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  • Characterization of PyridineOctanethiolated Gold

    Characterization of PyridineOctanethiolated Gold Nanoparticles: Desorption Kinetics by Thermal Analysis Mass Spectrometry Article in Journal of Nanoscience and Nanotechnology 7(9):326876

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  • Kinetics of Desorption of Alkanethiolates on Gold

    Request PDF on ResearchGate Kinetics of Desorption of Alkanethiolates on Gold Selfassembled monolayers (SAMs) of alkanethiols can undergo reductive desorption and oxidative readsorption. The

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  • Kinetics of SorptionDesorption SpringerLink

    The complexity of natural geomedia (Fig. 4.1) implies that both broad classes of sorption reaction may occur simultaneously. As discussed in this chapter, recent research into the kinetics and mechanisms of sorption for inorganic and organic species indicates that both processes are indeed important.

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  • Kinetics of desorption of alkanethiolates on gold

    Selfassembled monolayers (SAMs) of alkanethiols can undergo reductive desorption and oxidative readsorption. The Coulombic efficiency of the oxidative readsorption reaction is dependent on the chain length and solution pH.

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  • Desorption

    Desorption is a phenomenon whereby a substance is released from or through a surface. The process is the opposite of sorption (that is, either adsorption or absorption).This occurs in a system being in the state of sorption equilibrium between bulk phase (fluid, i.e. gas or liquid solution) and an adsorbing surface (solid or boundary separating two fluids).

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  • Adsorption kinetics of alkanethiolcapped gold

    Abstract. The pendant drop technique was used to characterize the adsorption behavior of ndodecane1thiol and nhexane1thiolcapped gold nanoparticles at the hexanewater interface.The adsorption process was studied by analyzing the dynamic interfacial tension versus nanoparticle concentration, both at early times and at later stages (i.e., immediately after the interface between the

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  • Pieter Stroeve, Professor of Chemical Engineering

    The intrinsic kinetics of molecular adsorption and desorption have been studied at the air/water interface, but to a lesser extent on solidliquid interfaces. Recently, we have obtained experimental results on the intrinsic adsorptiondesorption kinetics and equilibrium adsorption of triblock copolymers on undecane thiol on gold in water.

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  • Desorption kinetics ScienceDirect

    To measure the thermal desorption kinetics one procedes either isother mally or employs a controlled temperature rise in the solid. In an isothermal desorption experiment one prepares a gassolid system at a temperature T at which the adsorbate is in thermal equilibrium with a gas phase at pressure P.

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  • A study of kinetics of adsorption of alkanethiols on gold

    The growth kinetics of self assembled monolayer of alkanethiols of different chain lengths and concentrations on an evaporated gold surface on mica has been studied in situ and in real time using electrochemical impedance spectroscopy.

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