Listar QF - Contribuciones a congresos científicos por título
Mostrando ítems 97-116 de 154
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Quinoidization of regioregular oligo(THIENO[3,4-b]THIOPHENE)s
(2015-10-07)Caracterización de oligotiofenos -
Raman Optical Activity Monitoring the Interaction of Globular Proteins with Surfactants
(2014-03-31)Protein denaturation by surfactants is related with topic as pharmaceutics, cosmetics, paints or biotechnology. This phenomenon is highly dependent on the physico-chemical properties of the denaturing agents. In this ... -
Raman spectroscopy as a versatile tool to study organic biradicals
(2019-07-05)Since -conjugated organic molecules were probed as potential semiconducting materials, suitable for replacing the widely used silicon technologies, their structural, optical and conductive properties have been under study ... -
Raman spectroscopy as a versatile tool to study organic biradicals
(2018-10-02)In recent years, there has been a renewed interest in the study of open-shell polycyclic aromatic hydrocarbons (PAHs). Among them, biradicals are characterized by a four states energetic model for the low lying electronic ... -
Raman spectroscopy meets organic biradicals. Study of a new diindeno [B,I] anthracene derivative
(2017)In recent years, there has been a renewed interest in the study of open-shell polycyclic aromatic hydrocarbons (PAHs). Among them, biradicals exhibit attractive electronic, magnetic and optical properties which ... -
Raman Study of the Stability of Biomolecules on Lichens After Space - and Mars Like Conditions: Mission Ground Reference (MGR) Samples
(2019-09-24)The main objectives of BIOMEX [1,2] project are, on the one hand, to analyze the resistance of terrestrial extremophiles to survive in outer space and in Mars-like environment, and on the other hand, to deep into the ... -
Raman, SERS and DFT study of chemically-adsorbed thiobenzoic acid on silver nanoparticles
(2014-03-27)Thiocarboxylic acids are organosulphur compounds with general formula RC(O)SH. They are related to carboxylic acids by the replacement of one oxygen by sulphur. Two tautomers are possible, written as RC(S)OH and RC(O)SH. ... -
Reversible Dimerization/Polymerization of a Janus Diradical Producing Labile CC Bonds and Giant Chromism
(2016-11-10)En esta comunicación se presenta el estudio espectroscópico y téorico de la dimerización/oligomerización reversible de un birradical derivado de naftoditiofeno el cual en su forma monomérica presenta una intenso color azul ... -
Revisiting the mechanism of the mono nuclear copper-catalyzed cycloaddition of azide and alkynes (CuAAC) by the topology of ....
(2013-05-31)Se analiza el mecanismo de la reacción de cicloadición, catalizada por Cu(I), de azidas a alquinos (CuAAC), haciendo uso de métodos DFT y de herramientas de análisis de la densidad electrónica basadas en la topología de ... -
SECARS imaging of thiophenol adsorbed on silver colloids
(2013-10-30)The very large enhancement of the Raman signal observed in SERS (Surface-enhanced Raman Spectroscopy)[1] enabling single molecule sensitivity in some cases, makes it very appealing to apply this same experimental approach ... -
Selection rules of surface-enhanced Raman scattering: the role of the out-of-plane vibrations
(2019-07-25)The electromagnetic/plasmonic (SERS-PL) and the chemical (usually involving resonant photoinduced metal-adsorbate (M-A) charge transfer processes (SERS-CT:M-A+hn-->M+-A-)) mechanisms are recognized as the two main contributions ... -
Semiconducting pi-extended discotic liquid-crystalline triindoles: studying their FET vs. SCLC mobilities
(2016-11-09)The field of organic electronics has experienced a vast development in the last few years, having the first generation of devices based in this technology already reached the market. Advances achieved in this field have ... -
Semiconductores para electrónica orgánica: el papel de la espectroscopía vibracional
(2015-02-19)La búsqueda de nuevas tecnologías capaces de reemplazar a la tecnología actual basada en silicio representa uno de los campos de investigación científica más dinámico en la actualidad. La electrónica y fotónica orgánica ... -
Sequential induction of chirality in poly(phenylacetylene)s.
(2018-09-14)Several hierarchical levels of chirality have been detected in functionalized poly(phenylacetylene)s (PPA).1 In this work we have studied the chirality induction throughout these levels in PPA functionalized with phenylglycine ... -
El SERS como sensor de pH en entornos nanométricos
(2015-02-09)La Espectroscopia SERS (Surface-Enhanced Raman Spectroscopy) se caracteriza por la enorme intensificación de la señal Raman de una molécula cuando se encuentra en las proximidades de una superficie metálica rugosa a escala ... -
SERS study of different species of p-aminothiophenol adsorbed on silver nanoparticles
(2018-06-01)In the present work we have focused the discussion on the experimental and theoretical SERS spectra of the organic compound pATP recorded on silver colloids. The huge SERS of pATP on metal substrates is significantly ... -
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 ... -
Singlet-triplet energy gaps modulation of Diindeno [1,2-b: 1’2’-g] anthracene molecular family
(2022)Nowadays there is a large interest in organic materials based on diradical polycyclic aromatic hydrocarbons (PAHs) due to their unique properties, such as narrow frontier-orbital energy gaps, strong absorption in the visible ... -
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 ...