Search Results - "Burn, P.L."

Singlet exciton diffusion in MEH-PPV films studied by exciton–exciton annihilation by Lewis, A.J., Ruseckas, A., Gaudin, O.P.M., Webster, G.R., Burn, P.L., Samuel, I.D.W.

“…We report time-resolved photoluminescence studies in MEH-PPV films for a wide range of excitation intensities. The results fit well to a diffusion-limited…”
Get full text

Novel Heterolayer Organic Light-Emitting Diodes Based on a Conjugated Dendrimer by Ma, D., Lupton, J.M., Beavington, R., Burn, P.L., Samuel, I.D.W.

“…We demonstrate a novel organic light‐emitting diode (LED) heterolayer structure that contains a conjugated dendrimer as the light‐emitting molecule. The LED…”
Get full text

Effects of thermal annealing on the photophysical properties of bisfluorene-cored dendrimer films by Ribierre, J.C., Ruseckas, A., Gaudin, O.P.M., Samuel, I.D.W., Barcena, H., Staton, S.V., Burn, P.L.

“…Annealing is widely used in the processing of organic semiconductors, and can modify their film morphology and photophysical properties. A study of the effect…”
Get full text

Effects of solution processing and thermal annealing on the phosphorescence of iridium(III) complex-cored dendrimer films by Ribierre, J.C., Yates, C.J., Ruseckas, A., Staton, S.V., Burn, P.L., Samuel, I.D.W.

“…We present evidence that the photoluminescence (PL) spectrum, PL kinetics and PL efficiency of solution-cast films of a phosphorescent…”
Get full text

Optimization of the Luminescence Efficiencies in Solution-Processed Phosphorescent Dendrimers by Ribierre, J.-C., Stevenson, S.G., Samuel, I.D.W., Staton, S.V., Burn, P.L.

“…We demonstrate that photoluminescence (PL) quantum yield and PL lifetime of fac-tris(2-phenylpyridyl) iridium(III) [Ir(ppy) 3 ]-cored dendrimers in neat film…”
Get full text

Structure–property relationships in conjugated molecules by Burn, P.L., Beavington, R., Frampton, M.J., Pillow, J.N.G., Halim, M., Lupton, J.M., Samuel, I.D.W.

“…Conjugated dendrimers are ideal materials to study the structure–property relationships in conjugated molecules. We have developed a family of dendrimers that…”
Get full text

The optoelectronic properties of electroluminescent dendrimers by Frampton, M.J., Beavington, R., Lupton, J.M., Samuel, I.D.W., Burn, P.L.

Get full text

Electroabsorption studies of PPV and MEH-PPV by Martin, S.J., Mellor, Helen, Bradley, Donal D.C., Burn, P.L.

“…We report the results of an electroabsorption (EA) spectroscopy study of the electronic structure of the conjugated polymer PPV and its soluble derivative…”
Get full text

Synthetic routes to phenylene vinylene dendrimers by Pillow, J.N.G., Burn, P.L., Samuel, I.D.W., Halim, M.

“…Dendrimers offer the opportunity to vary the electronic properties of an electroactive material without changing the processing procedure…”
Get full text

Calculation of solid state molecular ionisation energies and electron affinities for organic semiconductors by Schwenn, P.E., Burn, P.L., Powell, B.J.

“…[Display omitted] ► Ionisation energies (electron affinities) are not the same as HOMO (LUMO) energies. ► The solid-state environment reduces the IE and…”
Get full text

Solution-processed pentathiophene dendrimer based photodetectors for digital cameras by Pandey, A.K., Johnstone, K.D., Burn, P.L., Samuel, I.D.W.

“…The photosensing ability of two blue-absorbing dendrimers is presented. Bulk heterojunction photodetectors were fabricated by spin-coating a blend solution of…”
Get full text

Green Phosphorescent Dendrimer for Light-Emitting Diodes by Lo, S.-C., Male, N.A.H., Markham, J.P.J., Magennis, S.W., Burn, P.L., Salata, O.V., Samuel, I.D.W.

Get full text

Tuning the optoelectronic properties of cyanine and ketocyanine dyes by incorporation of 9,9-di-n-propylfluorenylindolenine by Jansen-van Vuuren, R.D., Deakin, P.C., Olsen, S., Burn, P.L.

“…The synthesis and properties of novel cyanine and ketocyanine dyes incorporating 9,9-di-n-propylfluorenyl units is reported. While bathochromic shifts of order…”
Get full text

Electric field and temperature dependence of the hole mobility in a bis-fluorene cored dendrimer by Gambino, S., Samuel, I.D.W., Barcena, H., Burn, P.L.

“…Time-of-flight mobility measurements on a first generation, bis(fluorene)-cored dendrimer are reported. A charge generation layer was used enabling…”
Get full text

The Effect of Core Delocalization on Intermolecular Interactions in Conjugated Dendrimers by Beavington, R., Frampton, M.J., Lupton, J.M., Burn, P.L., Samuel, I.D.W.

“…Four generations of conjugated dendrimers that contain 1,3,5‐tris(distyrylbenzenyl)benzene cores, stilbene dendrons, and t‐butyl surface groups have been…”
Get full text

Study of the effect of changing the microstructure of titania layers on composite solar cell performance by Xie, Z., Henry, B.M., Kirov, K.R., Smith, H.E., Barkhouse, A., Grovenor, C.R.M., Assender, H.E., Briggs, G.A.D., Webster, G.R., Burn, P.L., Kano, Mitsuru, Tsukahara, Yusuke

“…This paper reports a study of the microstructures of titania thin films fabricated by two methods; doctor blade casting and glancing angle deposition (GLAD)…”
Get full text

Conjugated dendrimers for LEDs: Control of colour by Halim, M., Samuel, I.D.W., Pillow, J.N.G., Burn, P.L.

“…The use of conjugated dendrimers as a novel molecular architecture for organic LEDs is investigated. Control of colour is demonstrated using materials based on…”
Get full text

Photoinduced charge separation in poly(1,4-phenylenevinylene) derivatives studied by electron paramagnetic resonance by Thomsen, E.A., Keeble, D.J., Lochab, B., Burn, P.L., El-Mkami, H., Samuel, I.D.W.

“…We report a study of photoinduced charge separation in poly(1,4-phenylenevinylene) (PPV) derivatives with enhanced exciton dissociation using light-induced…”
Get full text

Controlling the conjugation length in poly[5- n-butyl-2-(2-ethylhexyl)-1,4-phenylenevinylene]: exploring the scope of hydrogen radical substitution of leaving groups on precursor polymers by Webster, G.R., Burn, P.L.

“…Precursor routes to poly(arylenevinylene)s provide a powerful method for forming insoluble fully dense thin films of conjugated polymers. The photophysical and…”
Get full text

Green Phosphorescent Dendrimer for Light‐Emitting Diodes by Lo, S.‐C., Male, N.A.H., Markham, J.P.J., Magennis, S.W., Burn, P.L., Salata, O.V., Samuel, I.D.W.

“…Highly efficient organic LEDs made by solution processing are reported. It is shown that the dendritic architecture (see Figure) can be used to solubilize…”
Get full text