Listar QF - Contribuciones a congresos científicos por título
Mostrando ítems 121-140 de 154
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The effect of concentration on the Surface-Enhanced Raman Scattering of p-Aminothiophenol
(2017-07-26)The organic compound p-aminothiophenol (pATP, HS-Ph-NH2) has become very popular because it is often used for checking the enhancement capability of each new SERS substrate due to its very intense SERS spectra. SERS of ... -
The heteroatom effect in ambipolar diradicals.
(2023)The ability to efficiently transport both holes and electrons makes ambipolar organic materials appealing architectures in organic electronics for the development of p- and n-channel devices. However, most of the organic ... -
The influence of electrode potential on SERS through the electronic structure of nanostructured metal-cyanide interfaces
(2022-03-15)Experimental and theoretical calculations confirm the existence of two different electronic structures of a surface complex formed by a particular molecule bonded to charged metal electrodes, clusters, or nanoparticles. ... -
The role of the electrolyte on the SERS spectra of pyridine
(2016-04-22)SERS spectra of pyridine has been recorded on a silver electrode in a potential range from 0.0 to -1.20 V with a saline solution, pyridine / KCl (0.1M / 0.1M), by using the 514.5 nm exciting line by us [1]. Under these ... -
Theoretical and experimental SERS study of thiocarbonyl compounds adsorbed on metal nanoparticles
(2015-06-18)Thiocarbonyl compounds have been reported to exhibit interesting biological and pharmacological properties but they are many often characterized by their toxicological effects. However the chemistry of thiobenzoic acid ... -
Theoretical insights into the Electronic and Structural Properties of New, Low-band Gap Inherently Chiral Ethylendioxythiophene-based Oligothiophene
(2018-12-18)In the last years, conjugated oligothiophene macrocycles have attracted increasing scientific interest due to some peculiar properties related to their cyclic structure [1-3]. T. Benincori et al. synthesized the ... -
Theoretical study of Covalent Organic Frameworks based on C3-symmetric Central Cores
(2020-01-29)In recent years, the design and synthesis of COFs (covalent organic frameworks) has been deeply investigated. These materials are constructed from the union of different covalently linked conjugated platforms and they have ... -
Theoretical study of the electronic and charge transport properties of Coronoid Carbazole-based Macrocycles
(2024-02)Carbazole (Cz) units have been recognized as crucial conjugated cores in organic electronics due to their good electro- and photoactive properties compared to other heterocycles.1 Furthermore, conjugated macrocycles should ... -
Thieno[3,4-b]thiophene Oligomers and Polymers: Low-Band Gap Molecules Based on a Large Quinoidization and Synergistic Aromaticity Competition.
(2015-07-28)The thieno[3,4-b]thiophene monomer has been conceived as the building block for the preparation of thieno[3,4-b] oligothiophenes (OTTn) from a dimer to a hexamer together with their corresponding polymers (1). These ... -
Thiophene-bridged bis-naphthalimidic structures (even and odd) with n-type and ambipolar ofets applications
(2017-07-07)A brand new series of thiophene bridged bis-naphthalimides has been obtained. These molecules can act as semiconductors and have an even or an odd number of thiophene rings, so that they vary their molecular dipole ... -
Las TIC como elemento innovador en el proceso de enseñanza-aprendizaje de la asignatura de Química Física
(2016-06-27)Se ha desarrollado un entorno virtual para la asignatura de Química Física General que se imparte en el primer curso del Grado en Química de la UMA, haciendo uso de la plataforma educativa Moodle. Se han creado diversos ... -
Transferencia Competitiva en uniones a-a y a-b de oligotiofenos precursores de Modelos Dendriméricos
(2013-11-14)Los politiofenos ramificados tridimensionales (3D) y oligotiofenos dendriméricos han sido recientemente desarrollados en la búsqueda de mejoras en los materiales para aplicaciones fotovoltaicas (por ejemplo, un mayor área ... -
Transient Absorption and Raman Spectroscopies in Organic Electronics
(2017-05-17)Raman spectroscopy has proved to be a very valuable tool for characterization in a large number of research fields, both biological, chemical and material sciences.[1] In the last decades, organic electronics has broken ... -
Transient Absorption Spectroscopy (TAS) for the study of organic materials for energy conversion
(2022-03)Transient Absorption Spectroscopy (TAS) is a pump probe technique with the ability of directly probe the photogenerated species and their evolution with time. This technique consists in two light sources, one of them ... -
Triindoles as excellent platforms for organic semiconductors: from crystalline molecules to porous polymers
(2022)Organic semiconductors are one of the most promising candidates for next-generation electronics applications. In this sense, triindole-based systems have demonstrated great potential as p-type semiconductors in organic ... -
Triplet-charge annihilation in a small molecule donor: acceptor blend as a major loss mechanism in organic photovoltaics
(2022-06-23)Organic photovoltaics (OPV) are close to reaching a landmark 20% device efficiency.[1] One of the proposed reasons that OPVs have yet to attain this milestone is their propensity toward triplet formation. In this ... -
Truncated conjugation in fused heterocycle-based conducting polymers: when greater planarity does not enhance conjugation.
(2023-07-03)One of the main assumptions in the design of new conjugated polymer materials for their use in organic electronics is that a higher coplanarity leads to greater conjugation along the polymer backbone. Conventionally, a ... -
Tuning of the electronic levels of oligothiophene-naphthalimide semiconductors: in the search of ambipolar behaviour
(2016-10-18)Ambipolar organic field-effect transistors (OFETs), which can efficiently transport both holes and electrons, using a single type of electrode, are currently of great interest due to their possible applications in complementary ... -
Ultrafast transient absorption spectroscopy: principles and applications
(2016-07-27)The study of photophysical and photochemical processes crosses the interest of many fields of research in physics, chemistry and biology. In particular, the photophysical and photochemical reactions, after light absorption ... -
Uncommon Molecular Structures for Organic Electronics: Cross-Conjugated Biradical Dianions and Mechano-Made Biradicals
(2017-07)Significant advances in any field of research often come from unexpected experimental results. We all know that uncommon behaviors are destined to envisage new applications whereas collection of typical features only helps ...