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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, New Orleans.

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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.

Item type: Conference or Workshop Item (Paper)
ID code: 39359
Keywords: modelling, spectral irradiation effects, single, multi, junction, amorphous, silicon photovoltaic devices, amorphous silicon, temperature sensors , solar power generation, silicon devices , short circuit currents, renewable energy resources, photovoltaic systems, photonic band gap, energy measurement, crystallization, Electrical engineering. Electronics Nuclear engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 25 Apr 2012 14:22
    Last modified: 17 Jul 2013 15:30
    URI: http://strathprints.strath.ac.uk/id/eprint/39359

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