Journal
PROCEEDINGS OF THE 4TH INTERNATIONAL CONFERENCE ON CRYSTALLINE SILICON PHOTOVOLTAICS (SILICONPV 2014)
Volume 55, Issue -, Pages 53-62Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.egypro.2014.08.073
Keywords
recombination parameter; silicon solar cells
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The parameter J(0), commonly used in solar cell modelling, has a deep physical meaning, which this paper intends to clarify. Upon examination, J(0) can be identified as the recombination current density in thermal equilibrium. In many cases the same equilibrium parameter J(0) can be used to describe carrier recombination under external illumination. Nevertheless, when carriers flow from the point where they are generated towards a high recombination site the value of J(0) that matters to solar cell operation differs from that in equilibrium. In addition, J(0) may in certain cases be dependent on the excess carrier concentration. We conclude by recommending that J(0) be referred to as a recombination parameter. (C) 2014 The Authors. Published by Elsevier Ltd.
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