ListarQF - Contribuciones a congresos científicos por tema "SERS"
Mostrando ítems 1-13 de 13
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Charge transfer in the nanoscale and SERS: understanding the huge efficiency of the electrode potencial in tuning the CT states
(2014-09-10)This work deals with the unexplained efficiency of the electrode potential in tuning the energy of the CT states of hybrid systems formed by molecules and metallic nano structures. Huge energy gain up to 5eV/V observed in ... -
Detection of different species of p-aminothiophenol on silver nanoparticles by Surface-Enhanced Raman Spectroscopy (SERS)
(2018-04-06)In the present work we have analyzed the experimental and theoretical SERS spectra of the organic compound p-aminothiophenol (pATP, HS-Ph-NH2) recorded on silver nanoparticles. DFT calculations have been performed to support ... -
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 ... -
Fundamentals and Applications of Surface-Enhanced Raman Spectroscopy (SERS)
(2019-05-16)When a molecule is adsorbed on some metallic nanostructured surfaces such as silver, copper or gold, it can undergo an enormous enhancement of the Raman signal giving rise to the so called Surface-Enhanced Raman Scattering ... -
Highly effective SERS nanopattern substrate. The enhancement is demonstrated using thiophenol as a molecular probe
(2014-07-31)The number of different types of Surface-enhanced Raman Scattering (SERS) substrates available for experimentation is increasing at high speed. New alternatives are introduced and explored every year in the literature ... -
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 ... -
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 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 ... -
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 ... -
Using SERS to probe electric capacitive enhancement in nanometer-size hot spots
(2014-09-10)Although the electromagnetic mechanism related to localized plasmons of the metal is the most important contribution in SERS, the chemical interaction between metal and molecule plays a crucial role. In SERS electrochemical ...