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Showing 1 to 20 of 35 for “"spectroelectrochemistry"”.
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Surface-Enhanced Spectroelectrochemistry using Synchrotron Infrared Radiation
Electrochemical reactions are inherently heterogeneous, occurring at the interface between a solid electrode and an electrolyte solution. Therefore, detailed mechanistic understanding requires the electrode/solution interface (ESI) to be interrogated. Doing so with spectroelectrochemical techniques …
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Probing functionalized interfaces for carbon capture using spectroelectrochemistry
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-20 without embargo terms
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Multipurpose spectroelectrochemistry: paving the way for in vivo measurements
“Multipurpose Spectroelectrochemistry: Paving the Way for In Vivo Measurements” es el título de la tesis doctoral realizada por Jesús Garoz Ruiz bajo la dirección de los doctores Aránzazu Heras y Álvaro Colina. Este trabajo realizado en la Universidad de Burgos resuelve con óptimos resultados tres …
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Development of new devices for time-resolved Raman spectroelectrochemistry
… of new devices for time-resolved Raman spectroelectrochemistry” ha sido realizada en el área de Química Analítica de la Universidad de Burgos y dirigida por los doctores Álvaro Colina Santamaría y Mª Aránzazu Heras Vidaurre. En este trabajo se han desarrollado nuevas celdas y …
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New techniques and devices for UV-Vis absorption spectroelectrochemistry
… Techniques and devices for UV-Vis Absorption Spectroelectrochemistry” ha sido realizada en el área de Química Analítica de la Universidad de Burgos y dirigida por los doctores Álvaro Colina Santamaría y Mª Aránzazu Heras Vidaurre. En este trabajo se han desarrollado nuevas técnicas y …
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Electrochemisty, Spectroelectrochemistry And/Or Electrosynthesis of Pi-Extended Porphyrins in Nonaqueous Media
This dissertation presents the electrochemistry, spectroelectrochemistry and electrosynthesis of pi-extended porphyrins. The electrochemistry and UV-vis spectral properties of neutral and protonated Au(III) quinoxalinoporphyrins containing one to four beta, beta'-fused quinoxalines were …
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Electrochemistry, Acid-base Properties and Spectroelectrochemistry of Porphyrins, Corroles, and Related Molecules
This dissertation presents the electrochemistry, spectroelectrochemistry and acid-base properties of porphyrins, corroles and related molecules in non-aqueous media. The acid-base properties monitored by electrochemical methods and spectroscopy were examined as to four types of free-base porphyrins …
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I. Luminescence Spectroelectrochemistry in Thin Layer Cells. Ii. Kinetics of Mediated Oxidation at a Polymer Modified Electrode
I. In general, only one member of a redox couple will be luminescent if redox activity and luminescence originate in the same molecular feature. Moreover, diffusion controlled quenching by the nonluminescent form, through energy or electron transfer, is a likely decay route for a long-lived excited …
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Neutral And Charged Bis(Triarylamines) For Use In Grid Scale Battery Technologies
… can increase the efficiency of future systems. Spectroelectrochemistry, the combination of spectroscopy and electrochemistry, allows for quantitative and qualitative analyses of electron-transfer processes. The focus of this research is to use optical and electrochemical properties obtained from …
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The Synthesis and Photophysical Properties of New Polymetallic Complexes Designed for Use in Photoinitiated Electron Collection
… UV-vis spectroscopy, and UV-vis spectroelectrochemistry. The bimetallic complexes were investigated as potential light-absorber / electron-donor complexes to be used in larger supramolecular devices for photoinitiated electron collection and electron transfer. The electrochemistry …
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The development of surface NMR-electrochemistry: A new in situ analytical probe to examine electrochemical interfaces
… the identification. Work completed previously by spectroelectrochemistry and gas-derived surface NMR measurements have been used for the data interpretation.
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Electrochemical and Spectroelectrochemical Studies of Complexes with Multiple Redox Centers
… along with thin-layer UV-visible and FTIR spectroelectrochemistry. The primary focus of this work was to elucidate the overall redox behavior of the compounds and to examine the site of electron transfer. Ligand binding reactions were also monitored by UV-visible spectroscopy and/or …
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Comparative Electrochemistry, Electronic Absorption Spectroscopy and Spectroelectrochemistry of the Monometallic Ruthenium Polypyridyl Complexes, [Ru(Bpy)(Dpb)2](Pf6)2, [Ru(Bpy)2(Dpb)](Pf6)2, [Ru(Bpy)2(Dpq)](Pf6)2, [Ru(Bpy)(Dpq)2](Pf6)2
The novel compound [Ru(bpy)(dpb)–(PFâ )â was synthesized, in a manner similar to the literature synthesis of [Ru(bpy)(dpq)â (PFâ )â . For the sake of completeness, the related analogs, [Ru(bpy)â (dpb)](PFâ )â , [Ru(bpy)â (dpq)](PFâ )â and [Ru(bpy)(dpq)â ](PFâ )â were also synthesized. Alumina …
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Multimetallic Supramolecular Complexes: Synthesis, Characterization, Photophysical Studies and Applications in Solar Energy Utilization and Photodynamic Therapy
… transitions in visible region of spectrum. Spectroelectrochemistry revealed the nature of MLCTs and helped to identify fingerprint features of complex supramolecules. Photophysical measurements include emission spectroscopy with quantum yield measurements and emission lifetime measurements. …
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Plasmonic gold nanostructures: optical properties and application in mercury detection
… model comprising 5 steps was developed. Finally, spectroelectrochemistry proved to be an excellent way to study in real time in-situ the amalgamation of mercury with gold nanorods paving the way for future work in this field.
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Exploiting plasmons to sense interfacial changes at the nanoscale
… level. In my work, I use single-particle spectroelectrochemistry and correlated scanning electron microscopy to investigate the overall stability and utility of plasmonic nanomaterials in complex chemical environments. I demonstrate that we can utilize the plasmon to report on chemistry in …
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The synthesis and investigation of the electronic properties of crown ether, [2]-catenane, and [2]-rotaxane architectures
… regarding in-situ conductivity measurements and spectroelectrochemistry are discussed. The elucidation of binding affinities for hosts and guest via fluorescence spectroscopy, a major theme in Chapter 2, is presented with focus on interpreting Stern-Volmer plots.
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Electrolyte Dependence on the Electrochemical and Optoelectronic Activity of a Conjugated Polymer in Organic Solvents
… study this consisted of cyclic voltammetry (CV), spectroelectrochemistry, and scan rate dependence (SRD) experiments. A regiosymmetric propylenedioxythiophene-based polymer was used to prepare solid-state films to measure electrochemical responses based on systematically varying the electrolyte …
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Energy Level Alignment in Hybrid Bulk Heterojunctions and New Redox Mediators for Quantum Dot Solar Cells
… formation material energetics are altered. With spectroelectrochemistry, we discovered that spontaneous charge transfer occurs upon heterojunction formation between poly(3-hexylthiophene) (P3HT) and TiO2. It was determined that deep trap states in TiO2 accept electrons from P3HT and form hole …
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Spectroscopy, Electrochemistry and Photochemistry of Phenylazonaphthalene Dyes
… dyes show aggregation at ≤ 3 * 10^-2 mol dm^-3. Spectroelectrochemistry and controlled potential electrolysis studies showed that OH-Span undergoes an irreversible four electron reduction process, where detailed product analysis showed that naphthyl and phenyl fragments of the dye are produced …
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