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Open Access research which pushes advances in bionanotechnology

Strathprints makes available scholarly Open Access content by researchers in the Strathclyde Institute of Pharmacy & Biomedical Sciences (SIPBS) , based within the Faculty of Science.

SIPBS is a major research centre in Scotland focusing on 'new medicines', 'better medicines' and 'better use of medicines'. This includes the exploration of nanoparticles and nanomedicines within the wider research agenda of bionanotechnology, in which the tools of nanotechnology are applied to solve biological problems. At SIPBS multidisciplinary approaches are also pursued to improve bioscience understanding of novel therapeutic targets with the aim of developing therapeutic interventions and the investigation, development and manufacture of drug substances and products.

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Modelling spectral irradiation effects on single and multi-junction amorphous silicon photovoltaic devices

Betts, T.R. and Gottschalg, R. and Infield, D.G. (2002) Modelling spectral irradiation effects on single and multi-junction amorphous silicon photovoltaic devices. In: 29th IEEE Photovoltaic Specialists Conference, 2002-05-19 - 2002-05-24.

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Abstract

It has been previously reported that variations in the spectral irradiance under which an amorphous silicon device operates can have a significant effect on its electrical performance, often contributing to enhanced system yields compared to crystalline-based systems. In this work, spectral irradiance data based on models and measurements taken at the Centre for Renewable Energy Systems Technology (CREST) in the UK are presented. These are input into electrical models for amorphous silicon devices incorporating different number of junctions in order to investigate the impact of changing spectral irradiation. The results can be classified broadly as primary effects, those accounting for the available spectrally useful irradiance and secondary effects that consider the effects of mismatched currents in the stacked cells of multi-junction devices. The modeled short circuit currents correlate well with measurements and are demonstrated as a useful tool for further investigation.