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Blue organic light emitting devices with improved colour purity and efficiency through blending of poly(9,9-dioctyl-2,7-fluorene) with an electron transporting material (2007)
Journal Article
Ahn, J., Wang, C., Perepichka, I., Bryce, M., & Petty, M. (2007). Blue organic light emitting devices with improved colour purity and efficiency through blending of poly(9,9-dioctyl-2,7-fluorene) with an electron transporting material. Journal of materials chemistry, 17(29), 2996-3001

Organic light emitting devices (OLEDs) containing a single blended layer of poly(9,9- dioctyl-2,7-fluorene) (PFO) or poly[9,9-bis(4-octyloxyphenyl)-2,7-fluorene] (PFOPh) and an electron transporting material 2,7-bis[2-(4-tert-butylphenyl)-1,3,4-oxadi... Read More about Blue organic light emitting devices with improved colour purity and efficiency through blending of poly(9,9-dioctyl-2,7-fluorene) with an electron transporting material.

Interface stability in CoFe and CoFeB based multilayers (2007)
Journal Article
Pym, A., Lamperti, A., Cardoso, S., Freitas, P., & Tanner, B. (2007). Interface stability in CoFe and CoFeB based multilayers. Superlattices and Microstructures, 41, 122-126

We report grazing incidence x-ray scattering measurements made during in situ annealing of multilayers based on CoFe and CoFeB. The layer and interface structure of Co80Fe20/Ru superlattices grown on Si/Al2O3 were found to be stable at all temperatur... Read More about Interface stability in CoFe and CoFeB based multilayers.

Influence of nanoscale phase separation on the charge generation dynamics and photovoltaic performance of conjugated polymer blends: Balancing charge generation and separation (2007)
Journal Article
McNeill, C., Westenhoff, S., Groves, C., Friend, R., & Greenham, N. (2007). Influence of nanoscale phase separation on the charge generation dynamics and photovoltaic performance of conjugated polymer blends: Balancing charge generation and separation. Journal of Physical Chemistry C, 111(51), 19153-19160

X-ray scattering from two-dimensionally patterned magnetic thin film nanoscale arrays (2007)
Journal Article
Hase, T., van Kampen, M., Bručas, R., Hjörvarsson, B., Atkinson, D., & Tanner, B. (2007). X-ray scattering from two-dimensionally patterned magnetic thin film nanoscale arrays. Superlattices and Microstructures, 41, 163-167

Thin metallic films patterned into nanoscale periodic arrays give rise to coherent satellites on either side of the specular reflection when illuminated at grazing incidence with x-rays. We have used grazing incidence x-ray scattering to probe the cr... Read More about X-ray scattering from two-dimensionally patterned magnetic thin film nanoscale arrays.

Effect of sodium bromide salt on the buildup of consecutive MWCNTs film by electrostatic self-assembly (2007)
Journal Article
Lee, K., Petty, M., Kim, D., & Ahn, B. (2007). Effect of sodium bromide salt on the buildup of consecutive MWCNTs film by electrostatic self-assembly. Journal of The Electrochemical Society, 154(9), K68-K73

Purified multiwalled carbon nanotubes (MWCNTs) were dispersed in poly sodium 4-styrenesulfonate (PSS) and polydiallyldimethylammonium (PDDA), respectively, solutions, where some of them were adsorbed on a CNT wall, providing a positive or negative ch... Read More about Effect of sodium bromide salt on the buildup of consecutive MWCNTs film by electrostatic self-assembly.

Spiroconjugation-enhanced intramolecular charge-transfer state formation in a polyspirobifluorene homopolymer (2007)
Journal Article
King, S., Hintschich, S., Dai, D., Rothe, C., & Monkman, A. (2007). Spiroconjugation-enhanced intramolecular charge-transfer state formation in a polyspirobifluorene homopolymer. Journal of Physical Chemistry C, 111(50), 18759-18764. https://doi.org/10.1021/jp0755138

In this work we demonstrate the complex excited-state behavior of polyspirobifluorene in the solid state, which, due to the interaction of the spiroconjugated side group, readily forms a charge-transfer (CT) excited state of lower energy than the sin... Read More about Spiroconjugation-enhanced intramolecular charge-transfer state formation in a polyspirobifluorene homopolymer.

Two-photon absorption and photoluminescence of europium based emissive probes for bioactive systems (2007)
Journal Article
Palsson, L., Pal, R., Murray, B., Parker, D., & Beeby, A. (2007). Two-photon absorption and photoluminescence of europium based emissive probes for bioactive systems. Dalton Transactions, 5726-5734. https://doi.org/10.1039/b710717j

Observation of two-photon excitation (760 nm) and emission of two responsive water soluble europium complexes is reported with cross-sections of up to 2 GM. Two-photon excitation spectra have also been measured, acquisition being achieved by the use... Read More about Two-photon absorption and photoluminescence of europium based emissive probes for bioactive systems.

Passband filters for terahertz radiation based on dual metallic photonic structures (2007)
Journal Article
Gallant, A., Kaliteevski, M., Wood, D., Petty, M., Abram, R., Brand, S., …Chamberlain, J. (2007). Passband filters for terahertz radiation based on dual metallic photonic structures. Applied Physics Letters, 91(16), https://doi.org/10.1063/1.2800381

This paper reports on the development of two-dimensional metallic microstructures for the filtering of terahertz radiation. These structures are fabricated using ultraviolet-based processing of thick SU8 resist. This micromachining technique enables... Read More about Passband filters for terahertz radiation based on dual metallic photonic structures.

Universal method to determine the thermo-optic coefficient of optical waveguide layer materials using a dual slab waveguide (2007)
Journal Article
Cross, G., & Cassidy, D. (2007). Universal method to determine the thermo-optic coefficient of optical waveguide layer materials using a dual slab waveguide. Applied Physics Letters, 91(14), Article 141914. https://doi.org/10.1063/1.2795340

A dual slab waveguide device method for determining the thermo-optic coefficient of waveguide layer materials is demonstrated. Temperature change-induced optical path length imbalance between two single slab waveguide modes provides the primary mecha... Read More about Universal method to determine the thermo-optic coefficient of optical waveguide layer materials using a dual slab waveguide.

Free-standing polymer cantilevers and bridges reinforced with carbon nanotubes (2007)
Journal Article
Cadd, D., Wood, D., & Petty, M. (2007). Free-standing polymer cantilevers and bridges reinforced with carbon nanotubes. Micro and Nano Letters, 2(3), 54-57

A nanofabrication process, based on the layer-by-layer electrostatic deposition method, has been developed to fabricate free-standing cantilevers and bridges of polyelectrolytes containing conductive carbon nanotubes. The technique can produce a high... Read More about Free-standing polymer cantilevers and bridges reinforced with carbon nanotubes.

Electronic memory device based on a single-layer fluorene-containing organic thin film. (2007)
Journal Article
Pearson, C., Ahn, J., Mabrook, M., Zeze, D., Petty, M., Kamtekar, K., …Tsoukalas, D. (2007). Electronic memory device based on a single-layer fluorene-containing organic thin film. Applied Physics Letters, 91(12), Article 123506. https://doi.org/10.1063/1.2783481

The authors report on a simple bistable switching device based on a thin film of an electroactive polymer containing a fluorene group sandwiched between aluminumelectrodes. No additional materials (e.g., metallic or semiconductive nanoparticles) are... Read More about Electronic memory device based on a single-layer fluorene-containing organic thin film..

White organic light-emitting devices incorporating nanoparticles of II-VI semiconductors (2007)
Journal Article
Ahn, J., Bertoni, C., Dunn, S., Wang, C., Talapin, D., Gaponik, N., …Petty, M. (2007). White organic light-emitting devices incorporating nanoparticles of II-VI semiconductors. Nanotechnology, 18(33),

A blue-green fluorescent organic dye and red-emitting nanoparticles, based on II-VI semiconductors, have been used together in the fabrication of white organic light-emitting devices. In this work, the materials were combined in two different ways: i... Read More about White organic light-emitting devices incorporating nanoparticles of II-VI semiconductors.

Interface stability of magnetic tunnel barriers and electrodes (2007)
Journal Article
Lamperti, A., Pym, A., Eastwood, D., Cardoso, S., Wisniowski, P., Freitas, P., …Tanner, B. (2007). Interface stability of magnetic tunnel barriers and electrodes. Physica status solidi. A, Applied research, 204(8), 2778-2784