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Enhanced lifetime of Organic Photovoltaic diodes achieved by blending with PMMA: Impact of morphology and Donor:Acceptor combination (2020)
Journal Article
Nieto-Díaz, B. A., Pearson, C., Al-Busaidi, Z., Bowen, L., Petty, M. C., & Groves, C. (2021). Enhanced lifetime of Organic Photovoltaic diodes achieved by blending with PMMA: Impact of morphology and Donor:Acceptor combination. Solar Energy Materials and Solar Cells, 219, Article 110765. https://doi.org/10.1016/j.solmat.2020.110765

In order to realise the potential of organic photovoltaic devices (OPVs) to provide cheap, scalable access to renewable energy, it is necessary to improve their lifetime and cost of encapsulation. The aim of this work is to achieve these aims by blen... Read More about Enhanced lifetime of Organic Photovoltaic diodes achieved by blending with PMMA: Impact of morphology and Donor:Acceptor combination.

Evolution of Electronic Circuits using Carbon Nanotube Composites (2016)
Journal Article
Massey, M., Kotsialos, A., Volpati, D., Vissol-Gaudin, E., Pearson, C., Bowen, L., …Petty, M. (2016). Evolution of Electronic Circuits using Carbon Nanotube Composites. Scientific Reports, 6, Article 32197. https://doi.org/10.1038/srep32197

Evolution-in-materio concerns the computer controlled manipulation of material systems using external stimuli to train or evolve the material to perform a useful function. In this paper we demonstrate the evolution of a disordered composite material,... Read More about Evolution of Electronic Circuits using Carbon Nanotube Composites.

Computing with carbon nanotubes: optimization of threshold logic gates using disordered nanotube/polymer composites (2015)
Journal Article
Massey, M., Kotsialos, A., Qaiser, F., Zeze, D., Pearson, C., Volpati, D., …Petty, M. (2015). Computing with carbon nanotubes: optimization of threshold logic gates using disordered nanotube/polymer composites. Journal of Applied Physics, 117(13), Article 134903. https://doi.org/10.1063/1.4915343

This paper explores the use of single-walled carbon nanotube (SWCNT)/poly(butyl methacrylate) composites as a material for use in unconventional computing. The mechanical and electrical properties of the materials are investigated. The resulting data... Read More about Computing with carbon nanotubes: optimization of threshold logic gates using disordered nanotube/polymer composites.

Focused ion beam and field-emission microscopy of metallic filaments in memory devices based on thin films of an ambipolar organic compound consisting of oxadiazole, carbazole and fluorene units (2013)
Journal Article
Pearson, C., Bowen, L., Lee, M., Fisher, A., Linton, K., Bryce, M., & Petty, M. (2013). Focused ion beam and field-emission microscopy of metallic filaments in memory devices based on thin films of an ambipolar organic compound consisting of oxadiazole, carbazole and fluorene units. Applied Physics Letters, 102(21), https://doi.org/10.1063/1.4808026

We report on the mechanism of operation of organic thin film resistive memory architectures based on an ambipolar compound consisting of oxadiazole, carbazole, and fluorene units. Cross-sections of the devices have been imaged by electron microscopy... Read More about Focused ion beam and field-emission microscopy of metallic filaments in memory devices based on thin films of an ambipolar organic compound consisting of oxadiazole, carbazole and fluorene units.

Negative refracting materials at THz frequencies. (2008)
Presentation / Conference Contribution
Swift, G. P., Gallant, A. J., Dai, D., Kaliteevski, M. A., Brand, S., Zeze, D. A., Wood, D., Petty, M. C., Abram, R. A., & Chamberlain, J. M. (2008, December). Negative refracting materials at THz frequencies. Presented at 33rd International Conference on Infrared, Millimeter, and Terahertz Waves, Pasadena, CA

We demonstrate here, for the first time, the construction of artificial materials, which theoretically possess two separate pass-bands utilizing the difference between positive and negative refraction in the terahertz frequency regime. Experimental t... Read More about Negative refracting materials at THz frequencies..

Flexible polymer based artificial materials for terahertz applications. (2007)
Presentation / Conference Contribution
Gallant, A., Zeze, D., Wood, D., Petty, M., Dai, D., & Chamberlain, J. (2007, December). Flexible polymer based artificial materials for terahertz applications. Presented at Joint 32nd International Conference on Infrared and Millimeter Waves, 2007 and the 2007 15th International Conference on Terahertz Electronics. IRMMW-THz., Cardiff, Wales

In this paper we report on the fabrication and testing of arrays of subwavelength apertures which are formed in a highly flexible polymer, PDMS (polydimethylsiloxane). PDMS can be elastically stretched to cause the deformation of any surface features... Read More about Flexible polymer based artificial materials for terahertz applications..

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.

Artificial plasmonic materials for THz applications (2007)
Presentation / Conference Contribution
Gallant, A., Levitt, J., Kaliteevski, M., Wood, D., Petty, M., Abram, R., Brand, S., Swift, G., Zeze, D., & Chamberlain, J. (2007, February). Artificial plasmonic materials for THz applications. Presented at Terahertz and Gigahertz Electronics and Photonics VI, San Jose, CA

This paper reports on the development of micromachined pillar arrays for the filtering of terahertz radiation. These pillar arrays are fabricated using ultraviolet based processing of thick SU8. This micromachining technique enables the array pattern... Read More about Artificial plasmonic materials for THz applications.