Listar QF - Contribuciones a congresos científicos por título
Mostrando ítems 31-50 de 154
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Diradicaloids from [4n] antiaromatic circuits
(2022-03)Diradicaloid molecules[1] represent cornerstone systems to explore the nature of the chemical bond and the validity of its theories. Recently, they have also gained relevance as multipurpose substrates for organic electronic ... -
Diradicals and their driving forces
(2019-01-08)Several series of aromatic and quinoidal compounds, such as oligothiophenes (Scheme 1), oligophenylene-vinylenes, oligoperylenes (oligophenyls) and graphene nanoribbon derivatives, are studied in the common context of the ... -
Diradicals Produce Ambipolar Transistors: What and Why
(ISNA-19, 2022-07-04)organic conjugated diradicals have gaining interest in the recent times given their uses in different formats of electronic applications encompassing OFETs,1 non-linear optical dyes, chromophores for singlet fission in ... -
Donor-acceptor polymers for applications in organic electronics and photovoltaics
(2013-09-26)We have synthesized a new series of high-mobility polymeric semiconductors with good processability and excellent environmental stability for organic electronics and photovoltaics. Using these materials, solar cells were ... -
Dynamic Electrochemistry of Anthanthrone.
(2023)In this investigation, we present a “nanographene” based on the low-cost commercially available 4,10-dibromoanthanthrone building block, where the anthanthrone core can be viewed as a fusion of two anthracene moieties with ... -
Effect of different excitation wavelength on SERS spectra of pyridine
(2018-05-14)SERS spectra of pyridine has been already recorded on a silver electrode in a potential range from 0.0 to -1.40 V with a saline solution, pyridine / KCl (0.1M / 0.1M), by using the 514.5 nm exciting line. Under these ... -
Effect of graphene substrate on the SERS Spectra of Aromatic bifunctional molecules on metal nanoparticles
(2016-06-27)The design of molecular sensors plays a very important role within nanotechnology and especially in the development of different devices for biomedical applications. Biosensors can be classified according to various ... -
Effect of the electrode potential on surface-enhanced Raman intensities of 2-methylpyrazine
(2014-05-30)The effect of the electrode potential on Surface Enhanced Raman Scattering (SERS) intensities of 2-methylpyrazine (2MP) recorded under resonant charge transfer (CT) conditions is analyzed by using a simple theoretical model ... -
Elaboración de material mutimedia y uso de un entorno virtual en el proceso de enseñanza-aprendizaje de las prácticas de laboratorio en Química Física
(2017-06-16)Haciendo uso de las nuevas tecnologías, como es la plataforma educativa Moodle, se ha desarrollado una nueva estrategia didáctica más activa y dinámica en la impartición de las prácticas de laboratorio en asignaturas ... -
Elaboración de pruebas de conocimiento en un entorno virtual como método de evaluación continua
(2015-06-22)Se ha realizado una serie de pruebas de conocimiento o cuestionarios, dentro de la plataforma Moodle, como método de evaluación continua de la asignatura de Química Física General que se imparte en el primer curso del Grado ... -
Elaboración de rúbricas de evaluación y revisión del repositorio de Prácticas de Laboratorio del Área de Química
(2019-06-18)Las asignaturas del área de Química que contienen una parte importante de Prácticas de Laboratorio, como las que se pueden encontrar fácilmente en los Grados de Ciencias Experimentales, son el foco de atención de esta ... -
Electric field and charged cluster dual model for Potential Depdendent Surface-Enhanced Raman Spectroscopy
(2022)The computation of electrochemical systems is very challenging because of the many variables involved.1 Among them, the effect of the electrode potential is particularly complex to be introduced in atomistic models. In ... -
Electric field and solvent model for Electrochemical SERS: excited-state and enhancement tuning
(2023)Being SERS a promising technique due to it potentially combining the well-known characterization prowess of Raman with the high sensitivity arising from nanoparticle-associated enhancement, 1 understanding the mechanisms ... -
Electrochemical SERS spectra of isonicotinic acid analyzed under a photoinduced charge-transfer mechanism
(2014-05-28)Isonicotinic (IN) acid is one of the three monocarboxilic derivatives of pyridine in which the acid group is located in para-position of the heterocyclic ring. It is a weak acid (pK2=4.86) and therefore, it is not completely ... -
Electronic properties of Naphthalimide derivatives
(2021-12)Molecular systems have proven to be efficient active materials in electronics, making then suitable substitutes of the inorganic semiconductors used nowadays in electronic devices. For this reason, organic electronics has ... -
Electronic properties of new polycyclic aromatic mono and dicarboximides
(2022-06)A series of nitrogen-doped polycyclic aromatic mono and dicarboximides (PADI) has been synthesized. Their interest lies in the fact that, unlike other PADI systems, this new family of compounds was synthesized by an ... -
Estudio de estados excitados y deslocaclización de carga en oligotiofenos ramificados
(2013-07-30)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 ... -
Estudio del efecto fotocrómico reversible de un sistema quinoide basado en carbazol
(2017-07-03)Hoy en día, el uso de materiales de naturaleza orgánica se presenta como un recurso ecológico y asequible para el diseño de dispositivos electrónicos. Entre ellos, los materiales sensibles a estímulos tienen además numerosas ... -
Evaluating the Role of Intermolecular Interactions in pi-conjugated Materials: What can we learn from DFT calculations and Raman Spectroscopy
(2019-05-29)For practical applications in sensors, dynamic covalent chemistry and molecular (photochromic) switches, soft conjugated materials can be envisaged as promising functional materials.1 To advance in this research field, ... -
Exploring the regioselectivity for the cycloaddition of azides to alkynes catalyzed by dinuclear copper clusters (Cu2AAC) with the topology of 2rho(r) and 2rho(r)
(2015-06-16)This study constitutes an extension of a previous research on the regioselectivity of the copper catalyzed cycloaddition of azides to alkynes (1) (the CuAAC reaction) by Quantum Chemical Topological methods. In particular, ...