2000-2004 Publications

2004

The synthesis and properties of solution processable red-emitting phosphorescent dendrimers. M.J. Frampton, E.B. Namdas, S.-C. Lo, P.L. Burn and I.D.W. Samuel. J. Mater. Chem. 14, 2881 (2004)

Tuning of emission color for blue dendrimer blend light-emitting diodes. J.P.J. Markham, E.B. Namdas, T.D. Anthopoulos, I.D.W. Samuel, G.J. Richards and P.L. Burn. Appl. Phys. Lett. 85, 1463 (2004)

Production and luminescent properties of CdSe and CdS nanoparticle-polymer composites. A.V. Firth, S.W. Haggata, P.K. Khanna, S.J. Williams, J.W. Allen, S.W. Magennis, I.D.W. Samuel and D.J. Cole-Hamilton. J. Luminescence 109, 163 (2004)

Polymer lasers: recent advances. I.D.W. Samuel and G.A. Turnbull. Materials Today 7, 28 (2004)

Laser Physics: Fantastic Plastic. Nature 429, 709 (2004)

Subpicosecond pulses from a gain-switched polymer distributed feedback laser. M. Goossens, A. Ruseckas, G.A Turnbull and I.D.W. Samuel. Appl. Phys. Lett. 85, 31 (2004)

Characterization of the photoproducts of protoporphyrin IX bound to human serum albumin and immunoglobulin G. L. Brancaleon, S.W. Magennis, I.D.W. Samuel, E. Namdas, A. Lesar and H. Moseley. Biophysical Chemistry 109, 351-360 (2004)

Relating the physical structure and optical properties of conjugated polymers using neutron reflectivity in combination with photoluminescence spectroscopy. W.J. Mitchell, P.L. Burn, R.K. Thomas, G. Fragneto, J.P.J. Markham and I.D.W. Samuel. J. Appl. Phys. 95, 2391 (2004)

Optical amplification in a first generation dendritic organic semiconductor. J.R. Lawrence, G.A. Turnbull, I.D.W. Samuel, G.J. Richards, and P.L. Burn. Opt. Lett. 29, 869 (2004)

Solution-processable red phosphorescent dendrimers for light-emitting device applications. T.D. Anthopoulos, M.J. Frampton, E.B. Namdas, P.L. Burn and I.D.W. Samuel. Adv. Mater. 16, 557 (2004)

Design and analysis of a low-threshold polymer circular-grating distributed feedback laser. G.F. Barlow, A. Shore, G.A. Turnbull and I.D.W. Samuel. J. Opt. Sci. Am. B 21, 2142 (2004)

Operating characteristics of a traveling-wave semiconducting polymer optical amplifier. G. Heliotis, D.D.C. Bradley, M. Goossens, S. Richardson, G.A. Turnbull and I.D.W. Samuel. Appl. Phys. Lett. 85, 6122 (2004)

Two-dimensional distributed feedback lasers using a broadband, red polyfluorene gain medium. G. Heliotis, R. Xia D.D.C. Bradley, G.A. Turnbull, I.D.W. Samuel, P. Andrew and W.L. Barnes. J. Appl. Phys. 96, 6959 (2004)

Emission characteristics and performance comparison of polyfluorene lasers with one- and two-dimensional distributed feedback. G.Heliotis, R.D. Xia, G.A. Turnbull, P. Andrew, W.L. Barnes, I.D.W. Samuel and D.D.C. Bradley. Adv. Func. Mater. 14, 91 (2004)

Nanoparticles from the decomposition of the complex [InN3(CH2CH2NMe2)(2)]. P.S. Schofield, W.Z. Zhou, P. Wood, I.D.W. Samuel and D.J. Cole-Hamilton. J. Mater. Chem. 14, 3124 (2004)

Optical spectroscopy of long polyenes. R.L. Christensen, A. Faksh, J.A. Meyers, I.D.W. Samuel, P. Wood, R.R. Schrock and K.C. Hultzsch. J. Phys. Chem. A 108, 8229 (2004)

Charge transport in highly efficient iridium cored electrophosphorescent dendrimers. J.P.J. Markham, I.D.W. Samuel, S.-C. Lo, P.L. Burn, M. Weiter, H. Bässler. J. Appl. Phys. 95, 438 (2004)

Photophysics of fac-tris(2-phenylpyridine) iridium (III) cored electroluminescent dendrimers in solution and films. E.B. Namdas, A. Ruseckas, I.D.W. Samuel, S.-C. Lo and I.D.W. Samuel. J. Phys. Chem. B 108, 1570 (2004)

2003

The synthesis and properties of highly efficient electroluminescent green phosphorescent iridium cored dendrimers. S.-C. Lo, E.B. Namdas, P.L. Burn and I.D.W. Samuel Macromolecules 36, 9721 (2003)

Polarized organic electroluminescence: Ordering from the top. N. Godbert, P.L. Burn, S. Gilmour, J.P.J. Markham and I.D.W. Samuel. Appl. Phys. Lett. 83, 5347 (2003)

Influence of molecular structure on the properties of dendrimer light-emitting diodes. T.D. Anthopoulos, J.P.J. Markham, E.B. Namdas, J.R. Lawrence, I.D.W. Samuel, S.-C. Lo and P.L. Burn. Organic Electronics 4, 71-76 (2003)

Investigation of amplified spontaneous emission in oriented films of a liquid crystalline conjugated polymer. G. Heliotis, R. Xia, K.S. Whitehead, G.A. Turnbull, I.D.W. Samuel and D.D.C. Bradley. Synthetic Metals 139, 727 (2003)

Blue, surface-emitting, distributed feedback polyfluorene lasers. G. Heliotis, R. Xia, D.D.C. Bradley, G.A. Turnbull, I.D.W. Samuel, P. Andrew, and W.L. Barnes. Appl. Phys. Lett. 83, 2118 (2003)

Time-dependence of erbium(III)tris(8-hydroxyquinolate) near-infrared photoluminescence: implications for organic light-emitting diode efficiency.S.W. Magennis, A.J. Ferguson, T. Bryden, T. Jones, A. Beeby and I.D.W. Samuel. Synthetic Metals 138, 463 (2003)

Highly efficient single-layer dendrimer light-emitting diodes with balanced charge transport. T.D. Anthopoulos, J.P.J. Markham, E.B. Namdas, I.D.W. Samuel, S.-C. Lo and P.L. Burn. Appl. Phys. Lett. 82, 4824 (2003)

Polymer laser fabricated by a simple micromolding process. J.R. Lawrence, G.A. Turnbull and I.D.W. Samuel. Appl. Phys. Lett. 82, 4023 (2003)

Photonic mode dispersion of a 2-dimensional distributed feedback polymer laser. G.A. Turnbull, P. Andrew, W.L. Barnes and I.D.W. Samuel. Phys. Rev. B 67, 165107 (2003)

Conformational disorder and energy migration in MEH-PPV with partially broken conjugation. M.M-L. Grage, P.W. Wood, A. Ruseckas, T. Pullerits, W. Mitchell, P.L. Burn, I.D.W. Samuel and V. Sundström. J. Chem. Phys. 118, 7644 (2003)

The effect of core delocalisation on intermolecular interactions in conjugated dendrimers. R. Beavington, M.J. Frampton, J.M. Lupton, P.L. Burn and I.D.W. Samuel. Adv. Func. Mater. 13, 211 (2003)

The effect of intermolecular interactions on the electro-optical properties of porphyrin dendrimers with conjugated dendrons. M.J. Frampton, S.W. Magennis, J.N.G. Pillow, P. L. Burn and I.D.W. Samuel. J. Mater. Chem. 13, 235 (2003)

Operating characteristics of a semiconducting-polymer laser pumped by a microchip laser. G.A. Turnbull, P. Andrew, W.L. Barnes and I.D.W. Samuel. Appl. Phys. Lett. 82, 313 (2003)

Tuning the emission of cyclometalated iridium complexes by simple ligand modification. A.Beeby, S. Bettington, I.D.W. Samuel and Z. Wang. J. Mater. Chem. 13, 80 (2003)

2002

Modelling temperature dependent current-voltage characteristics of an MEH-PPV organic light emitting device. S.J. Martin, J.M. Lupton, I.D.W. Samuel and A.B. Walker. J. Phys. CM 14, 9925 (2002)

Efficient energy transfer in organic thin films – implications for organic lasers. A.K. Sheridan, A.R. Buckley, A.M. Fox, A. Bacher, D.D.C. Bradley and I.D.W. Samuel. J. Appl. Phys. 92, 6367 (2002)

Origin of spectral broadening in p-conjugated amorphous semiconductors. J. M. Lupton, I. D. W. Samuel and P. L. Burn. Phys. Rev. B 66, 155206 (2002)

Index and relief gratings in polymer films for organic distributed feedback lasers. T. Kavc, G. Langer, W. Kern, E. Toussaere, J. Zyss, G.A. Turnbull and I.D.W. Samuel. Chem. Mater. 14, 4178 (2002)

Synthesis and excited state spectroscopy of tris(distyrylbenzenyl)amine-cored electroluminescent dendrimers. L.O. Pålsson, R. Beavington, M.J. Frampton, J.M. Lupton, S.W. Magennis, J.P.J. Markham, J.N.G. Pillow, P.L. Burn and I.D.W. Samuel. Macromolecules 35, 7891 (2002)

Non-dispersive hole transport in a spin-coated dendrimer film measured by the charge generation layer time of flight method. J.P.J. Markham, T.D. Anthopoulos, I.D.W. Samuel, G.J. Richards, P.L. Burn, C. Im and H. Bässler. Appl. Phys. Lett. 81, 3266 (2002)

Bright electroluminescence from a conjugated dendrimer. D. Ma, S.-C. Lo, P.L. Burn I.D.W. Samuel. Appl. Phys. Lett. 81, 2285 (2002); ibid. 81, 4476 (2002)

Optical properties of a light-emitting polymer directly patterned by soft lithography. J.R. Lawrence, P. Andrew, W.L. Barnes, M. Buck, G.A. Turnbull and I.D.W. Samuel. Appl. Phys. Lett. 81, 1955 (2002)

Novel heterolayer organic light-emitting diodes based on a conjugated dendrimer. D. Ma, J.M. Lupton, R. Beavington, P.L. Burn and I.D.W. Samuel. Adv. Func. Mater. 12, 507 (2002)

Control of Intrachromophore Excitonic Coherence in Electroluminescent Conjugated Dendrimers. J.M. Lupton, I.D.W. Samuel, P.L. Burn, S Mukamel. J. Phys. Chem. B 106, 7647 (2002)

Photonic band structure and emission characteristics of a metal-backed polymeric distributed feedback laser. P. Andrew, G.A. Turnbull, W.L. Barnes and I.D.W. Samuel. Appl. Phys. Lett. 81, 954 (2002)

A green phosphorescent dendrimer for light-emitting diodes. S.C. Lo, N.A.H. Male, J.P.J. Markham, S.W. Magennis, P.L. Burn, O.V. Salata and I.D.W. Samuel. Adv. Mater. 14, 975 (2002)

Light amplification and gain in polyfluorene waveguides. G. Heliotis, D.D.C. Bradley, G.A. Turnbull, and I.D.W. Samuel. Appl. Phys. Lett. 81, 415 (2002)

Controlling the optical emission from the polymer MEH-PPV using corrugated thin film structures. J.A.E. Wasey, A. Safonov, M.J. Jory, I.D.W. Samuel and W.L. Barnes. Eur. Phys. J.-Appl. Phys. 18, 89 (2002)

Photophysics of a fluorene co-polymer in solution and films. L.O. Pålsson, C. Wang, D.L. Russell, A.P. Monkman, M.R. Bryce, G. Rumbles and I.D.W. Samuel. Chem. Phys. 279, 229 (2002)

A neutron reflection study on soluble and insoluble poly[2-(2’-ethylhexyloxy)-5-methoxy-1,4-phenylenevinylene) films” G.R. Webster, W.J. Mitchell, P.L. Burn, R.K. Thomas, G. Fragneto, J.P.J. Markham and I.D.W. Samuel. J Appl. Phys. 91, 9066 (2002)

Investigations of excitation energy transfer and intermolecular interactions in a nitrogen cored distyrylbenzene dendrimer system. O. Varnavski, I.D.W. Samuel, L.-O. Pålsson, R. Beavington, P.L. Burn and T. Goodson III. J. Chem. Phys. 116, 8893 (2002)

Broadband optical amplifier based on a conjugated polymer. J.R. Lawrence, G.A. Turnbull, and I.D.W. Samuel. Appl. Phys. Lett. 80, 3036 (2002) UPC

High efficiency green phosphorescence from spin-coated single-layer dendrimer light-emitting diodes. J.P.J. Markham, S-C. Lo, S.W. Magennis, P.L. Burn and I.D.W. Samuel. Appl. Phys. Lett. 80, 2645 (2002)

Emission characteristics and photonic band structure of microstructured polymer lasers. G.A. Turnbull, P. Andrew, M.J. Jory, W.L. Barnes, and I.D.W. Samuel. Synthetic Metals 127, 45 (2002)

Exciton confinement in organic dendrimer quantum wells for opto-electronic applications. J.M. Lupton, I.D.W. Samuel, P.L. Burn and S. Mukamel. J. Chem. Phys. 116, 455 (2002)

2001

Conformational disorder in long polyenes. P. Wood, I.D.W. Samuel, R. Schrock and R.L. Christensen. J. Chem. Phys. 115, 10955 (2001)

Special issue: Light-emitting polymers. I.D.W. Samuel (guest editor). J. Photochem. Photobiol. 144, 1 (2001)

Efficiency of radiative emission from thin films of light emitting conjugated polymer. J.A.E. Wasey, A. Safonov, I.D.W. Samuel and W.L. Barnes. Phys. Rev. B 64, 125122 (2001)

Relationship between photonic band structure and emission characteristics of a polymer distributed feedback laser. G.A. Turnbull, P. Andrew, M.J. Jory, W.L. Barnes and I.D.W. Samuel. Phys. Rev. B 64, 125122 (2001)

Lifetime studies of light-emitting diode strucutres incorporating polymeric Langmuir-Blodgett films. G.Y. Jung, A. Yates, I.D.W. Samuel, and M.C. Petty. Mat. Sci. and Eng. C 14, 1 (2001)

Manufacturing flexible light-emitting polymer displays with conductive lithographic film technology. D. Lochun, D. Harrison, M. Kilitziraki and I.D.W. Samuel. Smart Materials and Structures 10, 650 (2001)

Control of polymer-electrode interactions: the effect of leaving group on the optical properties and device characteristics of EHPPV. S-C Lo, L-O Pålsson, M. Kilitziraki, P.L. Burn, and I.D.W. Samuel. J. Mater. Chem. 11, 2228 (2001)

Control of Electrophosphorescence in conjugated dendrimer light-emitting diodes. J.M. Lupton, I.D.W. Samuel, M.J. Frampton, R. Beavington and P.L. Burn. Advanced Functional Materials 11, 287 (2001)

Structure-property relationships in conjugated molecules. P.L. Burn, R. Beavington, M.J. Frampton, J.N.G. Pillow, M. Halim, J.M. Lupton, I.D.W.Samuel. Materials Science and Engineering B 85, 190 (2001)

Ultrafast polarized fluorescence dynamics in an organic dendrimer.O. Varnavski, G. Menkir, T. Goodson, P.L. Burn, I.D.W. Samuel, J.M. Lupton and R. Beavington. Appl. Phys. Lett. 77, 1120 (2000); ibid 78, 3749 (2001)

Investigating the effect of conjugation in MEH-PPV. P. Wood, I.D.W. Samuel, G.R. Webster, and P.L. Burn. Synthetic Metals 119, 571 (2001)

Time-resolved PL studies of partially conjugated MEH-PPV – control of excimer emission. S.A. Whitelegg, A. Buckley, M.D. Rahn, A.M. Fox, D.D. C. Bradley, L.O.Palsson, I.D.W. Samuel, G.R. Webster, and P.L. Burn. Synthetic Metals 119, 575 (2001)

Fluorene co-polymer luminescence: implications for molecular interactions. L.O. Palsson, C. Wang, D.L. Russell, A.P. Monkman, M.R. Bryce, G. Rumbles and I.D.W. Samuel. Synthetic Metals 119, 627 (2001)

Cyano-substituted model compounds and conjugated polymers of PPV. M.M. de Souza, G. Rumbles, D.L. Russell, I.D.W. Samuel, S.C. Moratti, A.B. Holmes and P.L. Burn. Synthetic Metals 119, 635 (2001)

The optoelectronic properties of electroluminescent dendrimers. M.J. Frampton, R. Beavington, J.M. Lupton, I.D.W. Samuel and P.L. Burn. Synthetic Metals 121, 1671 (2001)

Charge transport in conjugated dendrimers for light-emitting diodes.J.M. Lupton, I.D.W. Samuel, R. Beavington, P.L. Burn, and H. Bassler. Synthetic Metals 121, 1703 (2001)

Tuneable distributed feedback lasing in MEH-PPV films. G.A. Turnbull, T.F. Krauss, W.L. Barnes, and I.D.W. Samuel. Synthetic Metals 121, 1757 (2001)

Tuneability of amplified spontaneous emission in thin organic films. A.K. Sheridan, G.A. Turnbull, D.D.C. Bradley, and I.D.W Samuel. Synthetic Metals 121, 1759 (2001)

Polymeric Alkoxy PBD [2-(4-Biphenylyl)-5-Phenyl-1,3,4-Oxadiazole] for Light-Emitting Diodes. C. Wang, M. Kilitziraki, L.O. Pålsson, M.R. Bryce, A.P. Monkman and I.D. W. Samuel. Advanced Functional Materials 11, 47 (2001)

Photonic band structure and emissive characteristics of MEH-PPV textured microcavities. M.G. Salt, W.L. Barnes and I.D.W. Samuel. J. Mod. Opt. 48, 1085 (2001)

Control of mobility in molecular organic semiconductors by dendrimer generation. J.M. Lupton, I.D.W. Samuel, R. Beavington, M.J. Frampton, P.L. Burn and H. Bässler. Phys. Rev. B 63, 155206 (2001)

The solid-state photoluminescent quantum yield of triboluminescent materials. G. Bourhill, L.O. Palsson, I.D.W. Samuel, I.C. Sage, I.D.H., Oswald and J.P. Duignan. Chem. Phys. Lett. 336, 234 (2001)

Control of charge transport and intermolecular interaction in organic light-emitting diodes by dendrimer generation. J.M. Lupton, I.D.W. Samuel, R. Beavington, P.L. Burn, and H. Bässler. Adv. Mater. 13, 258 (2001)

Increased efficiency of a polymer light-emitting diode by wavelength scale microstructure. B.J. Matterson, J.M. Lupton, A.F. Safonov, M.G. Salt, W.L. Barnes and I.D.W. Samuel. Adv. Mater. 13, 123 (2001)

Modification of polymer light emission by lateral microstrucutre. A.N. Safonov, M. Jory, J.M. Lupton, W.L. Barnes and I.D.W. Samuel. Synth. Met. 116, 145 (2001)

Nanoengineering of organic semiconductors for light-emitting diodes: control of charge transport. J.M. Lupton, I.D.W. Samuel, R. Beavington, P.L. Burn, and H. Bässler. Synth. Met. 116, 357 (2001)

Time delayed electroluminescence overshoot in single layer polymer light-emitting diodes due to electrode luminescence quenching. J. M. Lupton, V. R. Nikitenko, I. D. W. Samuel, and H. Bassler. Journal of Applied Physics 89, 311 (2001) 

2000

Bragg scattering from periodically microstructured light-emitting diodes. J.M. Lupton, B.J. Matterson, I.D.W. Samuel, M.J. Jory, and W.L. Barnes. Appl. Phys. Lett. 77, 3340 (2000)

Tuneability of amplified spontaneous emission through control of the waveguide mode-structure in conjugated polymer films. A.K. Sheridan, G.A. Turnbull, A.N. Safonov and I.D.W. Samuel. Phys. Rev. B 62, 11929 (2000)

Effects of dipole orientation and birefringence on the emission from thin films. J.A.E. Wasey, A.F. Safonov, I.D.W. Samuel and W.L. Barnes Opt. Comm. 183, 109 (2000)

Temperature dependent device model for polymer light-emitting diodes: significance of barrier height. J.M. Lupton and I.D.W. Samuel Synthetic Metals 111, 381 (2000)

Temperature dependence of the spectral line narrowing and photoluminescence of MEH-PPV. A.K. Sheridan, J.M. Lupton, I.D.W. Samuel and D.D.C. Bradley. Synthetic Metals 111, 531 (2000)

Photoluminescence studies of solution thermochromism in a cyano-substituted phenylene vinylene derivative. G. Rumbles, C.J. Collison, D.L. Russell, L.A. Magnani, A.B. Holmes, S.C. Moratti and I.D.W. Samuel. Synthetic Metals 111, 501 (2000)

A theoretical and experimental study of cyano- and alkoxy- substituted phenylenevinylene model compounds. M.M. de Souza, G. Rumbles, I.R. Gould, H. Amer, I.D.W. Samuel, S.C. Moratti and A.B. Holmes. Synthetic Metals 111, 539 (2000)

Birefringence and dispersion of the light emitting polymer MEH-PPV. A. Boudrioua, P.A. Hobson, B. Matterson, I.D.W. Samuel and W.L. Barnes. Synthetic Metals 111, 545 (2000)

The effect of insulating spacer layers on the electical properties of polymeric Langmuir-Blodgett film light emitting devices. G.Y. Jung, C. Pearson, L.E. Horsburgh, I.D.W. Samuel, A.P. Monkman and M.C. Petty. J. Phys. D 33, 1029 (2000)

Effect of temperature on the spectral line-narrowing in MEH-PPV. A.K. Sheridan, J.M. Lupton, I.D.W. Samuel, and D.D.C. Bradley. Chem. Phys. Lett. 322, 51 (2000)

Comparison of precursor polymer routes to and electronic properties of a new phenylacetylene derivatised poly[2-(2′-ethylhexyloxy)-1,4-phenylenevinylene]. S.C. Lo, A.K. Sheridan, I.D.W. Samuel and P.L. Burn. J. Mater. Chem. 10, 275 (2000)

Electroluminescence from a new distryrylbenzene based triazine dendrimer. J.M. Lupton, L.R. Hemingway, I.D.W. Samuel, P.L. Burn. J. Mater. Chem. 10, 867 (2000)

Polymer Electronics. I.D.W. Samuel. Phil. Trans. Roy. Soc. Lond. A 358, 193-210 (2000)

Sidestepping the selection rules. I.D.W. Samuel and A. Beeby. Nature 403, 710 (2000)

Tuning the optoelectronic properties of pyridine-containing polymers for light-emitting diodes. C. Wang, M. Kilitiziraki, J.A.H. McBride, L.E. Horsburgh, A.K. Sheridan, A.P.Monkman and I.D.W. Samuel. Advanced Materials 12, 217 (2000)

Dual-layer light emitting devices based on polymeric Langmuir-Blodgett film. G.Y. Jung, C. Pearson, M. Kilitziraki, L.E. Horsburgh, A.P. Monkman, I.D.W. Samuel, and M.C. Petty. J. Mater. Chem. 10, 163 (2000)