All Outputs (14)

Characteristics of the nucleation and growth of template-free polyaniline nanowires and fibrils (2008)
Journal Article
Kemp, N. T., Cochrane, J. W., & Newbury, R. (2009). Characteristics of the nucleation and growth of template-free polyaniline nanowires and fibrils. Synthetic Metals, 159(5-6), 435-444. https://doi.org/10.1016/j.synthmet.2008.11.001

Template-free electrochemical deposition of large arrays of uniform and oriented conducting polymer nanowires has recently been demonstrated. In this article, we build upon the key earlier findings and report new phenomena (initial formation of a 2D... Read More about Characteristics of the nucleation and growth of template-free polyaniline nanowires and fibrils.

Fast vibrational calculation of anharmonic OH-stretch frequencies for two low-energy noradrenaline conformers (2008)
Journal Article
Benoit, D. M. (2008). Fast vibrational calculation of anharmonic OH-stretch frequencies for two low-energy noradrenaline conformers. The Journal of chemical physics, 129(23), Article 234304. https://doi.org/10.1063/1.3040427

We introduce a new reduced-coupling technique to accelerate direct calculations of a selected number of vibrational frequencies in large molecular systems. Our method combines the advantages of the single-to-all correlation-corrected vibrational self... Read More about Fast vibrational calculation of anharmonic OH-stretch frequencies for two low-energy noradrenaline conformers.

Optical nanolithography using a scanning near-field probe with an integrated light source (2008)
Journal Article
Kingsley, J. W., Ray, S. K., Adawi, A. M., Leggett, G. J., & Lidzey, D. G. (2008). Optical nanolithography using a scanning near-field probe with an integrated light source. Applied physics letters, 93(21), Article 213103. https://doi.org/10.1063/1.3032912

An ultracompact near-field optical probe is described that is based on a single, integrated assembly consisting of a gallium nitride (GaN) light-emitting diode (LED), a microlens, and a cantilever assembly containing a hollow pyramidal probe with a s... Read More about Optical nanolithography using a scanning near-field probe with an integrated light source.

A new approach to photoalignment: photo-addition to a self-assembled monolayer (2008)
Journal Article
Dröge, S., O'Neill, M., Löbbert, A., Kitney, S. P., Kelly, S. M., Wei, P., & Dong, D. (2009). A new approach to photoalignment: photo-addition to a self-assembled monolayer. Journal of Materials Chemistry, 19(2), 274-279. https://doi.org/10.1039/b812226a

Photoalignment used to control the orientation of nematic liquid crystals in LCDs usually involves the photochemical modification of the chemical structure of an organic thin film so that an optical and/or steric anisotropy is developed. We now demon... Read More about A new approach to photoalignment: photo-addition to a self-assembled monolayer.

Inscription of fibre Bragg gratings in non-sensitised fibres using VUV F2 laser radiation (2008)
Journal Article
Dyer, P. E., Johnson, A. M., & Walton, C. D. (2008). Inscription of fibre Bragg gratings in non-sensitised fibres using VUV F2 laser radiation. Optics express, 16(23), 19297-19303. https://doi.org/10.1364/OE.16.019297

We report the inscription of fibre Bragg gratings in non-sensitised SMF 28 and HI 980 fibre by exposure to VUV F2 laser radiation at 157nm. The modulated effective refractive index change Δneff deduced from the shift in the grating reflection peaks w... Read More about Inscription of fibre Bragg gratings in non-sensitised fibres using VUV F2 laser radiation.

A design for an optical-nanocavity optimized for use with surface-bound light-emitting materials (2008)
Journal Article
Adawi, A. M., & Lidzey, D. G. (2008). A design for an optical-nanocavity optimized for use with surface-bound light-emitting materials. New Journal of Physics, 10(6), 065011. https://doi.org/10.1088/1367-2630/10/6/065011

We model the modification in the spontaneous emission (SE) rate of an emitting dipole placed on the surface of a two-dimensional (2D) L3 optical nanocavity using 3D FDTD calculations. We show that by introducing a concave region into the cavity-surfa... Read More about A design for an optical-nanocavity optimized for use with surface-bound light-emitting materials.

Phonon-plasmon coupled-mode lifetime in semiconductors (2008)
Journal Article
Dyson, A., & Ridley, B. K. (2008). Phonon-plasmon coupled-mode lifetime in semiconductors. Journal of applied physics, 103(11), 114507. https://doi.org/10.1063/1.2937918

Raman scattering measurements of the lifetime of hot phonons in GaN show a decrease with increasing electron concentration. Density-dependent lifetimes have also been deduced from noise measurements of AlGaN/GaN channels. We suggest that the results... Read More about Phonon-plasmon coupled-mode lifetime in semiconductors.

On the structure and chiroptical properties of (S)-4-isopropyl-oxazolidin-2-one (2008)
Journal Article
Benoit, D., Coulbeck, E., Eames, J., & Motevalli, M. (2008). On the structure and chiroptical properties of (S)-4-isopropyl-oxazolidin-2-one. Tetrahedron: Asymmetry, 19(9), 1068-1077. https://doi.org/10.1016/j.tetasy.2008.03.032

The specific rotation of (S)-4-isopropyl-oxazolidin-2-one is extremely solvent dependent. In chloroform it is dextrorotatory {[α] D 26 = + 15.5 (c 5.2, CHCl 3 )}, whereas in ethanol it is levorotatory {[α] D 26 = - 16.1 (c 5.2, EtOH)}. © 2008 Elsevie... Read More about On the structure and chiroptical properties of (S)-4-isopropyl-oxazolidin-2-one.

White-light OLEDs using liquid crystal polymer networks (2008)
Journal Article
Liedtke, A., O'Neill, M., Wertmöller, A., Kitney, S. P., & Kelly, S. M. (2008). White-light OLEDs using liquid crystal polymer networks. Chemistry of materials : a publication of the American Chemical Society, 20(11), 3579-3586. https://doi.org/10.1021/cm702925f

We have mixed nematic light-emitting liquid crystals and incorporated them as insoluble cross-linked polymer networks in a liquid crystal white-light organic light-emitting diode (LC-WOLED). The light emission is not voltage-dependent and polarized w... Read More about White-light OLEDs using liquid crystal polymer networks.

Iterative active-space selection for vibrational configuration interaction calculations using a reduced-coupling VSCF basis (2008)
Journal Article
Scribano, Y., & Benoit, D. M. (2008). Iterative active-space selection for vibrational configuration interaction calculations using a reduced-coupling VSCF basis. Chemical Physics Letters, 458(4-6), 384-387. https://doi.org/10.1016/j.cplett.2008.05.001

We adapt a variation-perturbation method to perform vibrational configuration interaction (VCI) calculations on large molecular systems. Starting from a self-consistent vibrational wave function, we use the vibrational configuration interaction with... Read More about Iterative active-space selection for vibrational configuration interaction calculations using a reduced-coupling VSCF basis.

The stability of PEDOT:PSS films monitored by electron spin resonance (2008)
Journal Article
Lee, J. K., Cho, J. M., Shin, W. S., Moon, S. J., Kemp, N. T., Zhang, H., & Lamb, R. (2008). The stability of PEDOT:PSS films monitored by electron spin resonance. Journal of the Korean Physical Society, 52(3), 621-626. https://doi.org/10.3938/jkps.52.621

We used electron spin resonance (ESR) and electrical conductivity measurements to track the stability of poly(3,4-ethylene dioxythiophene): poly(styrene sulfonate) (PEDOT:PSS) and ethylene glycol (EG)-treated PEDOT:PSS (EG-PEDOT:PSS) films in air. We... Read More about The stability of PEDOT:PSS films monitored by electron spin resonance.

Near-field investigation of porous silicon photoluminescence modification after oxidation in water (2008)
Journal Article
Juan, M., Bouillard, J. S., Plain, J., Lerondel, G., Adam, P. M., Bachelot, R., & Royer, P. (2008). Near-field investigation of porous silicon photoluminescence modification after oxidation in water. Journal of Microscopy, 229(3), 469-474. https://doi.org/10.1111/j.1365-2818.2008.01930.x

We report on local photo‐induced oxidation of porous silicon in water at room temperature. Starting from a nonluminescent sample, the oxidation process induces luminescence which was found to first increase and then decrease as a function of the oxid... Read More about Near-field investigation of porous silicon photoluminescence modification after oxidation in water.

Detection in near-field domain of biomolecules adsorbed on a single metallic nanoparticle (2008)
Presentation / Conference Contribution
Barbillon, G., Bijeon, J. L., Bouillard, J. S., Plain, J., Lamy De La Chapelle, M., Adam, P. M., & Royer, P. Detection in near-field domain of biomolecules adsorbed on a single metallic nanoparticle

In this paper, we study the performances of nanosensors based on Localized Surface Plasmon Resonance in the context of biological sensing. We demonstrate the sensitivity and the selectivity of our designed nanosensors by studying the influence of the... Read More about Detection in near-field domain of biomolecules adsorbed on a single metallic nanoparticle.

Observation of the β-phase in two short-chain oligofluorenes (2008)
Journal Article
Tsoi, W. C., Charas, A., Cadby, A. J., Khalil, G., Adawi, A. M., Iraqi, A., Hunt, B., Morgado, J., & Lidzey, D. G. (2008). Observation of the β-phase in two short-chain oligofluorenes. Advanced Functional Materials, 18(4), 600-606. https://doi.org/10.1002/adfm.200700530

The polymer poly(9,9-dioctylfluorene) (PF8) can be driven into a morphological form termed the β-phase that has enhanced planarity and increased structural rigidity. We show that the β-phase can be generated in two different fluorene oligomers; a flu... Read More about Observation of the β-phase in two short-chain oligofluorenes.