In situ femtosecond spectroelectrochemistry of Au(1 1 1) in an aqueous chloride solution |
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Authors: | Benedetto Bozzini Giulio Cerullo Lucia D’Urzo Dario Polli |
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Institution: | 1. Brindisi Fuel Cell Durability Laboratory, Università del Salento, S.S. 7 Brindisi-Taranto km 7+300, 72100 Brindisi, Italy;2. Dipartimento di Fisica, Politecnico di Milano, Pz. Leonardo da Vinci 32, 20133 Milano, Italy |
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Abstract: | In this paper we report the first in situ femtosecond spectroelectrochemistry experiment employing a broadband probe, allowing the measurement of ultrafast transient visible spectra with a fixed pump wavelength. We investigated in situ femtosecond transient reflectivity of a Au(1 1 1) electrode in contact with an aqueous KCl solution. The pump wavelength was set at 780 nm and a supercontinuum probe was employed, yielding ultrafast spectral information on the electron thermalisation dynamics in the range 450–650 nm. Electrochemical control allowed to investigate the dynamic response to different Cl? adsorption conditions. |
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