Probe Beam Deflection Study of Au Nanoparticles Supported Into TiO2 Mesoporous Films
Source abstract
Abstract
Abstract Mesoporous thin films modified with nanoparticles of metal (Au) have been used for the fabrication of an ultra‐microelectrode array (UMEA). For the first time, UMEAs were studied using probe beam deflection (PBD) and cyclic voltammetry. The study was carried out using the [Fe(CN)6]3−/[Fe(CN)6]4− couple as a redox probe. The electrochemical response is that of an array of nanoelectrodes. The effects of scan rate on the current and PBD signal profiles are discussed in the context of mass transport within the pores and at the solution‐electrode interface. The study suggests that the combination of PBD and CV allows a better understanding of the mass transport phenomena in this type of UMEAs of complex architecture.
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Research context
OpenAlex topics: Characterization and Applications of Magnetic Nanoparticles · Block Copolymer Self-Assembly · Dendrimers and Hyperbranched Polymers
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Facultad de Ciencias Exactas Fisicoquímicas y Naturales Universidad Nacional de Río Cuarto Instituto de Investigaciones en Tecnologías Energéticas y Materiales Avanzados (IITEMA - CONICET) Ruta Nac. 36, Km 601 Río Cuarto, Córdoba Argentina
Gerencia Química & Instituto de Nanociencia y Nanotecnología Centro Atómico Constituyentes, Comisión Nacional de Energía Atómica CONICET Av. Gral. Paz 1499 B1650KNA San Martín, Buenos Aires Argentina
Funding
Agencia Nacional de Promoción Científica y Tecnológica · Consejo Nacional de Investigaciones Científicas y Técnicas
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