Listar QF - Contribuciones a congresos científicos por título
Mostrando ítems 92-111 de 124
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SERS study of thiocarbonyl compounds adsorbed on metal nanoparticles
(2015-06-03)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 ... -
Spectroscopic techniques as tools to analyze charge transport processes in organic field effect transistors
(2022)The organic electronics research field has advanced tremendously in the last decades, already rendering semiconductors able to compete with their inorganic counterparts. However, the final blossoming of this field would ... -
SpectroscopicTechniques and DFT Calculations to Understand Charge Transport Mechinisms in OFETs
(2019-02-11)The organic electronics research field has advanced tremendously in the last decades, but there is still an incomplete understanding of the main mechanisms governing charge injection and transport in such devices. The ... -
Stabilization of antiaromatic skeletons in oxidized biphenylene oligomers
(2019-09-12)The importance of antiaromatic molecules in Chemistry and more recently in material science is rising. In the particular case of applications in electronics, the antiaromatic skeleton offers the favourable situation of ... -
Surface-enhanced photoinduced charge transfer processes in metal-molecule nanoclusters
(2013-10-29)This work deals with the unexplained efficiency of the electrode potential (EV) in tuning the energy of Charge Transfer (ECT) electronic states of hybrid systems formed by molecules and metal nanostructures. Huge energy ... -
Surface-Enhanced Raman spectroscopy of thiobenzoic acid on metal nanoparticles
(2014-07-31)Molecules adsorbed on some metal surfaces such as silver, copper and gold, can exhibit enormous Surface-enhanced Raman Scattering (SERS). The SERS effect has historically been associated with substrate roughness on two ... -
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 ... -
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 ... -
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 ...