Listar QF - Contribuciones a congresos científicos por título
Mostrando ítems 96-115 de 121
-
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 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 ... -
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 ... -
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 ... -
Uncommon Polycyclic Open-Shell Structures: Cross-Conjugated Dianions and Mechano-Made Biradicals
(2017-07-24)Significant advances in any field of research often come from unexpected experimental results. There are plenty of examples where the realization of uncommon behaviors in the long run trigger new applications. Examples of ... -
Understanding charge transport in organic field effect transistors
(2018-06-28)The organic electronics research field has advanced tremendously in the last decades, having already led to field-effect mobilities able to compete with their inorganic counterparts. However, many fundamental aspects of ... -
Understanding organic materials performance in field-effect transistors
(2017-07-14)In the last years, much of our effort has been devoted to the search and study of new high-mobility semiconductors for organic thin film transistors. The approach used for the materials design has been two-fold: (i) the ... -
Understanding polymer orientation at the interface by SERS
(2017-07-07)In the organic electronic research field, it is well known that the largest contribution to charge transport occurs within the first few nanometers of the semiconductor near the dielectric interface. Surface Enhanced ... -
Understanding the structure-property correlations of n-type organic semiconductors in OFETs
(2019-07-16)In the organic electronic research field, the development of high-performance unipolar n-type semiconductors is still challenging. Here we present an in-depth study of a series of ladder-type semiconductors, which due to ...