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Journal Articles

Efficient optical gain media comprising binary blends of poly(3-hexylthiophene) and poly(9,9-dioctylfluorene-co-benzothiadiazole)

R. Xia, P. N. Stavrinou, D. D. C. Bradley, Y. Kim
Journal: Journal of Applied Physics
J. Appl. Phys. 111, 123107 (2012)
https://doi.org/10.1063/1.4730041
Published: June 2012
View article titled, Efficient optical gain media comprising binary blends of poly(3-hexylthiophene) and poly(9,9-dioctylfluorene-<em>co</em>-benzothiadiazole)
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Includes: Supplementary data
Journal Articles

Random lasing in low molecular weight organic thin films

S. Kéna-Cohen, P. N. Stavrinou, D. D. C. Bradley, S. A. Maier
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 041114 (2011)
https://doi.org/10.1063/1.3619169
Published: July 2011
View article titled, Random lasing in low molecular weight organic thin films
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Journal Articles

Influence of surface-related states on the carrier dynamics in (Ga,In)N/GaN single quantum wells

Andreas Othonos, G. Itskos, D. D. C. Bradley, M. D. Dawson, I. M. Watson
Journal: Applied Physics Letters
Appl. Phys. Lett. 94, 203102 (2009)
https://doi.org/10.1063/1.3139079
Published: May 2009
View article titled, Influence of surface-related states on the carrier dynamics in (Ga,In)N/GaN single quantum wells
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Journal Articles

A polymer/fullerene based photodetector with extremely low dark current for x-ray medical imaging applications

T. Agostinelli, M. Campoy-Quiles, J. C. Blakesley, R. Speller, D. D. C. Bradley, J. Nelson
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 203305 (2008)
https://doi.org/10.1063/1.3028640
Published: November 2008
View article titled, A polymer/fullerene based photodetector with extremely low dark current for x-ray medical imaging applications
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Journal Articles

Experimental determination of the rate law for charge carrier decay in a polythiophene: Fullerene solar cell

C. G. Shuttle, B. O’Regan, A. M. Ballantyne, J. Nelson, D. D. C. Bradley, J. de Mello, J. R. Durrant
Journal: Applied Physics Letters
Appl. Phys. Lett. 92, 093311 (2008)
https://doi.org/10.1063/1.2891871
Published: March 2008
View article titled, Experimental determination of the rate law for charge carrier decay in a polythiophene: Fullerene solar cell
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Journal Articles

Influence of polymer ionization potential on the open-circuit voltage of hybrid polymer/ Ti O 2 solar cells

T. Ishwara, D. D. C. Bradley, J. Nelson, P. Ravirajan, I. Vanseveren, T. Cleij, D. Vanderzande, L. Lutsen, S. Tierney, M. Heeney, I. McCulloch
Journal: Applied Physics Letters
Appl. Phys. Lett. 92, 053308 (2008)
https://doi.org/10.1063/1.2840608
Published: February 2008
View article titled, Influence of polymer ionization potential on the open-circuit voltage of hybrid polymer/ Ti O 2 solar cells
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Journal Articles

Efficient Förster transfer mediated by excitons in InGaN/GaN quantum well/polyfluorene heterostructures

G. Itskos, G. Heliotis, C. Belton, I. M. Watson, M. D. Dawson, D. D. C. Bradley, R. Murray
Journal: AIP Conference Proceedings
AIP Conf. Proc. 893, 355–356 (2007)
https://doi.org/10.1063/1.2729913
Published: April 2007
View article titled, Efficient Förster transfer mediated by excitons in InGaN/GaN quantum well/polyfluorene heterostructures
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Journal Articles

Improved organic semiconductor lasers based on a mixed-order distributed feedback resonator design

C. Karnutsch, C. Pflumm, G. Heliotis, J. C. deMello, D. D. C. Bradley, J. Wang, T. Weimann, V. Haug, C. Gärtner, U. Lemmer
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 131104 (2007)
https://doi.org/10.1063/1.2717518
Published: March 2007
View article titled, Improved organic semiconductor lasers based on a mixed-order distributed feedback resonator design
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Journal Articles

Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends

E. Gu, H. X. Zhang, H. D. Sun, M. D. Dawson, A. R. Mackintosh, A. J. C. Kuehne, R. A. Pethrick, C. Belton, D. D. C. Bradley
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 031116 (2007)
https://doi.org/10.1063/1.2431772
Published: January 2007
View article titled, Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends
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Journal Articles

Low threshold blue conjugated polymer lasers with first- and second-order distributed feedback

C. Karnutsch, C. Gýrtner, V. Haug, U. Lemmer, T. Farrell, B. S. Nehls, U. Scherf, J. Wang, T. Weimann, G. Heliotis, C. Pflumm, J. C. deMello, D. D. C. Bradley
Journal: Applied Physics Letters
Appl. Phys. Lett. 89, 201108 (2006)
https://doi.org/10.1063/1.2390644
Published: November 2006
View article titled, Low threshold blue conjugated polymer lasers with first- and second-order distributed feedback
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Journal Articles

Influence of carrier injection on the electromodulation response of trap-rich polymer light-emitting diodes

P. J. Brewer, A. J. deMello, J. C. deMello, P. A. Lane, D. D. C. Bradley, R. Fletcher, J. O’Brien
Journal: Journal of Applied Physics
J. Appl. Phys. 99, 114502 (2006)
https://doi.org/10.1063/1.2201692
Published: June 2006
View article titled, Influence of carrier injection on the electromodulation response of trap-rich polymer light-emitting diodes
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Journal Articles

Low-threshold lasers based on a high-mobility semiconducting polymer

G. Heliotis, S. A. Choulis, G. Itskos, R. Xia, R. Murray, P. N. Stavrinou, D. D. C. Bradley
Journal: Applied Physics Letters
Appl. Phys. Lett. 88, 081104 (2006)
https://doi.org/10.1063/1.2178197
Published: February 2006
View article titled, Low-threshold lasers based on a high-mobility semiconducting polymer
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Journal Articles

Optical gain at 650 nm from a polymer waveguide with dye-doped cladding

M. A. Reilly, B. Coleman, E. Y. B. Pun, R. V. Penty, I. H. White, M. Ramon, R. Xia, D. D. C. Bradley
Journal: Applied Physics Letters
Appl. Phys. Lett. 87, 231116 (2005)
https://doi.org/10.1063/1.2140074
Published: December 2005
View article titled, Optical gain at 650 nm from a polymer waveguide with dye-doped cladding
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Journal Articles

Characterization of a high-thermal-stability spiroanthracenefluorene-based blue-light-emitting polymer optical gain medium

R. Xia, G. Heliotis, M. Campoy-Quiles, P. N. Stavrinou, D. D. C. Bradley, Doojin Vak, Dong-Yu Kim
Journal: Journal of Applied Physics
J. Appl. Phys. 98, 083101 (2005)
https://doi.org/10.1063/1.2085311
Published: October 2005
View article titled, Characterization of a high-thermal-stability spiroanthracenefluorene-based blue-light-emitting polymer optical gain medium
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Journal Articles

Electrical transport characteristics of single-layer organic devices from theory and experiment

S. J. Martin, Alison B. Walker, A. J. Campbell, D. D. C. Bradley
Journal: Journal of Applied Physics
J. Appl. Phys. 98, 063709 (2005)
https://doi.org/10.1063/1.2058199
Published: September 2005
View article titled, Electrical transport characteristics of single-layer organic devices from theory and experiment
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Journal Articles

Spectral conversion of InGaN ultraviolet microarray light-emitting diodes using fluorene-based red-, green-, blue-, and white-light-emitting polymer overlayer films

G. Heliotis, P. N. Stavrinou, D. D. C. Bradley, E. Gu, C. Griffin, C. W. Jeon, M. D. Dawson
Journal: Applied Physics Letters
Appl. Phys. Lett. 87, 103505 (2005)
https://doi.org/10.1063/1.2039991
Published: August 2005
View article titled, Spectral conversion of InGaN ultraviolet microarray light-emitting diodes using fluorene-based red-, green-, blue-, and white-light-emitting polymer overlayer films
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Journal Articles

Polyfluorene distributed feedback lasers operating in the green-yellow spectral region

R. Xia, G. Heliotis, P. N. Stavrinou, D. D. C. Bradley
Journal: Applied Physics Letters
Appl. Phys. Lett. 87, 031104 (2005)
https://doi.org/10.1063/1.1994928
Published: July 2005
View article titled, Polyfluorene distributed feedback lasers operating in the green-yellow spectral region
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Journal Articles

Efficient charge collection in hybrid polymer/ TiO 2 solar cells using poly(ethylenedioxythiophene)/polystyrene sulphonate as hole collector

P. Ravirajan, D. D. C. Bradley, J. Nelson, S. A. Haque, J. R. Durrant, H. J. P. Smit, J. M. Kroon
Journal: Applied Physics Letters
Appl. Phys. Lett. 86, 143101 (2005)
https://doi.org/10.1063/1.1890468
Published: March 2005
View article titled, Efficient charge collection in hybrid polymer/ TiO 2 solar cells using poly(ethylenedioxythiophene)/polystyrene sulphonate as hole collector
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Journal Articles

A characterization of Rhodamine 640 for optical amplification: Collinear pump and signal gain properties in solutions, thin-film polymer dispersions, and waveguides

M. C. Ramon, M. Ariu, R. Xia, D. D. C. Bradley, M. A. Reilly, C. Marinelli, C. N. Morgan, R. V. Penty, I. H. White
Journal: Journal of Applied Physics
J. Appl. Phys. 97, 073517 (2005)
https://doi.org/10.1063/1.1881772
Published: March 2005
View article titled, A characterization of Rhodamine 640 for optical amplification: Collinear pump and signal gain properties in solutions, thin-film polymer dispersions, and waveguides
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Journal Articles

Operating characteristics of a traveling-wave semiconducting polymer optical amplifier

G. Heliotis, D. D. C. Bradley, M. Goossens, S. Richardson, G. A. Turnbull, I. D. W. Samuel
Journal: Applied Physics Letters
Appl. Phys. Lett. 85, 6122–6124 (2004)
https://doi.org/10.1063/1.1835555
Published: December 2004
View article titled, Operating characteristics of a traveling-wave semiconducting polymer optical amplifier
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