Search Results - "Barbara, Aude"

SERS Correlation Spectroscopy of Silver Aggregates in Colloidal Suspension: Quantitative Sizing Down to a Single Nanoparticle by Barbara, Aude, Dubois, Fabien, Ibanez, Alain, Eng, Lukas M, Quémerais, Pascal

“…The slow flocculation of silver nanoparticle (NP) aggregates obtained through p-mercaptobenzoic acid (MBA) linker molecules was analyzed by surface-enhanced…”
Get full text

In Situ Identification of Spherical Ag Monomers and Dimers at Zeptomole Adsorbate Concentrations by Surface-Enhanced Raman Scattering Correlation Spectroscopy by Barbara, Aude, Dubois, Fabien, Quémerais, Pascal

“…We have developed a bright optical setup, especially optimized for surface-enhanced Raman scattering (SERS) correlation spectroscopy. We show that the…”
Get full text

Dynamic light scattering unveils stochastic degradation in large-pore mesoporous silica nanoparticles by Guerrero-Florez, Valentina, Barbara, Aude, Kodjikian, Stéphanie, Oukacine, Farid, Trens, Philippe, Cattoën, Xavier

“…Mesoporous Silica Nanoparticles (MSNs) have been increasingly investigated as versatile drug delivery carriers. A particular challenge for the systemic use of…”
Get full text

Hybrid CdSe/ZnS Quantum Dot–Gold Nanoparticle Composites Assembled by Click Chemistry: Toward Affordable and Efficient Redox Photocatalysts Working with Visible Light by Dabbous, Ali, Bauer, Pierre, Marcucci, Coralie, Périé, Sandy, Gahlot, Sapna, Lombard, Christian, Caillat, Sylvain, Ravanat, Jean-Luc, Mouesca, Jean-Marie, Kodjikian, Stéphanie, Barbara, Aude, Dubois, Fabien, Maurel, Vincent

“…A new modular, easy-to-synthesize photocatalyst was prepared by assembling colloidal CdSe/ZnS quantum dots (QD) and gold nanoparticles (AuNP) via their ligands…”
Get full text

Why metallic surfaces with grooves a few nanometers deep and wide may strongly absorb visible light by Le Perchec, J, Quémerais, P, Barbara, A, López-Ríos, T

“…It is theoretically shown that nanometric silver lamellar gratings present very strong visible light absorption inside the grooves, leading to electric field…”
Get full text

Ultrabright Silica-Coated Organic Nanocrystals for Two-Photon In Vivo Imaging by Perdoor, Shridevi Shenoi, Dubois, Fabien, Barbara, Aude, Nguyen, Christophe, Ali, Lamiaa M. A, Gary-Bobo, Magali, Hristovska, Ines, Combet, Kassandre, Pascual, Olivier, Micouin, Guillaume, Banyasz, Akos, Bretonnière, Yann, Andraud, Chantal, Ibanez, Alain, Cattoën, Xavier

“…Herein, we demonstrate the potential of ultrabright fluorescent silica-coated organic nanocrystals for two-photon in vivo imaging. These unique nanoparticles…”
Get full text

Microscope spectrometer for light scattering investigations by Barbara, Aude, Lopez-Rios, Tomas, Dumont, Sylvain, Gay, Frédéric, Quémerais, Pascal

“…We describe a setup including a microscope to study volumes of a few mum(3) by static and dynamic light scattering (DLS) in a backscattering configuration…”
Get more information

Near-, mesoscopic and far-field regimes of a subwavelength Young's double-slit by Le Perchec, J, Barbara, A, Quémerais, P

“…The coupling distance between two narrow resonating slits made in a thick metal screen strongly modulates the optical spectral features of their scattering…”
Get full text

Plasmon dispersion diagram and localization effects in a three-cavity commensurate grating by Barbara, Aude, Collin, Stéphane, Sauvan, Christophe, Le Perchec, Jérôme, Maxime, Camille, Pelouard, Jean-Luc, Quémerais, Pascal

“…Commensurate gratings of deep-metallic grooves have highly localized cavity resonances which do not exist for purely periodic gratings. In this paper we…”
Get full text

Controlling strong electromagnetic fields at subwavelength scales by Le Perchec, J, Quémerais, P, Barbara, A, López-Ríos, T

“…We investigate the optical response of two subwavelength grooves on a metallic screen, separated by a subwavelength distance. We show that the cavity,…”
Get full text

Generation and control of hot spots on commensurate metallic gratings by Barbara, A, Le Perchec, J, Collin, S, Sauvan, C, Pelouard, J-L, López-Ríos, T, Quémerais, P

“…We study the light localization on commensurate arrangements of deep metallic sub-wavelength grooves. We theoretically show that as the degree of…”
Get full text

On Light Addressing Within Subwavelength Metallic Gratings by Le Perchec, J., Quemerais, P., Barbara, A.

“…We consider a zero-order diffraction metallic grating having two subwavelength rectangular slits per period. The electromagnetic behavior of this system is…”
Get full text