Skip to main content

Research Repository

Advanced Search

Outputs (11)

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.

Microscopic Analysis of Interdiffusion and Void Formation in CdTe(1–x)Sex and CdTe Layers (2020)
Journal Article
Baines, T., Bowen, L., Mendis, B. G., & Major, J. D. (2020). Microscopic Analysis of Interdiffusion and Void Formation in CdTe(1–x)Sex and CdTe Layers. ACS Applied Materials and Interfaces, 12(34), 38070-38075. https://doi.org/10.1021/acsami.0c09381

The use of CdSe layers has recently emerged as a route to improving CdTe photovoltaics through the formation of a CdTe(1–x)Sex (CST) phase. However, the extent of the Se diffusion and the influence it has on the CdTe grain structure has not been wide... Read More about Microscopic Analysis of Interdiffusion and Void Formation in CdTe(1–x)Sex and CdTe Layers.

Cobalt-Doped ZnO Nanorods Coated with Nanoscale Metal-Organic Framework Shells for Water-Splitting Photoanodes (2020)
Journal Article
Galan Gonzalez, A., Sivan, A. K., Hernández Ferrer, J., Bowen, L., Di Mario, L., Martelli, F., Benito, A. M., Maser, W. K., Chaudhry, M. U., Gallant, A., Zeze, D. A., & Atkinson, D. (2020). Cobalt-Doped ZnO Nanorods Coated with Nanoscale Metal-Organic Framework Shells for Water-Splitting Photoanodes. ACS Applied Nano Material, 3(8), 7781-7788. https://doi.org/10.1021/acsanm.0c01325

Developing highly efficient and stable photoelectrochemical (PEC) water splitting electrodes via inexpensive, liquid phase processing is one of the key challenges for the conversion of solar energy into hydrogen for sustainable energy production. ZnO... Read More about Cobalt-Doped ZnO Nanorods Coated with Nanoscale Metal-Organic Framework Shells for Water-Splitting Photoanodes.

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.

A gradient of matrix-bound FGF-2 and perlecan is available to lens epithelial cells (2014)
Journal Article
Wu, W., Tholozan, F., Goldberg, M., Bowen, L., Wu, J., & Quinlan, R. (2014). A gradient of matrix-bound FGF-2 and perlecan is available to lens epithelial cells. Experimental Eye Research, 120, 10-14. https://doi.org/10.1016/j.exer.2013.12.004

Fibroblast growth factors play a key role in regulating lens epithelial cell proliferation and differentiation via an anteroposterior gradient that exists between the aqueous and vitreous humours. FGF-2 is the most important for lens epithelial cell... Read More about A gradient of matrix-bound FGF-2 and perlecan is available to lens epithelial cells.

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.

A contactless method for measuring the recombination velocity of an individual grain boundary in thin-film photovoltaics (2010)
Journal Article
Mendis, B., Bowen, L., & Jiang, Q. (2010). A contactless method for measuring the recombination velocity of an individual grain boundary in thin-film photovoltaics. Applied Physics Letters, 97(9), Article 092112. https://doi.org/10.1063/1.3486482

A cathodoluminescence-based, contactless method for extracting the bulk minority carrier diffusion length and reduced recombination velocity of an individual grain boundary is applied to vapor grown CdTe epitaxial films. The measured diffusion length... Read More about A contactless method for measuring the recombination velocity of an individual grain boundary in thin-film photovoltaics.

Self-catalyzed, pure zincblende GaAs nanowires grown on Si(111) by molecular beam epitaxy (2010)
Journal Article
Cirlin, G., Dubrovskii, V., Samsonenko, Y., Bouravleuv, A., Durose, K., Proskruryakov, Y., Mendes, B., Bowen, L., Kaliteevski, M., Abram, R., & Zeze, D. (2010). Self-catalyzed, pure zincblende GaAs nanowires grown on Si(111) by molecular beam epitaxy. Physical review B - Condensed Matter and Materials Physics, 82(3), Article 035302. https://doi.org/10.1103/physrevb.82.035302

We report on the Au-free molecular beam epitaxy growth of coherent GaAs nanowires directly on Si(111) substrates. The growth is catalyzed by liquid Ga droplets formed in the openings of a native oxide layer at the initial growth stage. Transmission e... Read More about Self-catalyzed, pure zincblende GaAs nanowires grown on Si(111) by molecular beam epitaxy.