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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Dark J–V Characteristics Model Of Chalcopyrite-Based Solar Cells
 Škvarenina, L’ubomír
An equivalent circuit model of the current parasitic pathways is proposed to describe a behaviour of dark current density–voltage characteristics of chalcopyrite-based solar cells in order to understand a shunting behaviour between the ZnO:Al/i-ZnO/CdS/Cu(In;Ga)Se2/MoSe2/Mo/Ti/TiN layers. The model fitting with a parameter extraction is evaluated for the sample before and after an appearance of a permanent breakdown to prove an accurate response of the proposed model to an ohmic and non-ohmic component shift.
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Microstructural Defects of Solar Cells Investigated by a Variety Diagnostics Methods
 Škvarenina, L’ubomír
This paper discusses the application of a variety diagnostic methods applicable to the solar cells. More objective results about solar cells quality and reliability are possible to obtain by using a various methods. Diagnostic methods described in this paper are based on a dark and illuminated J–V characteristics, a investigation of noise in a wide range of frequency and a radiation detection at a di erent spectral range, namely by an electroluminescence and a thermography method. These methods are primarily more appropriate for a detection or a localization of microstructure defects when a reverse-bias stress is applied. However, the analysis of a forward-bias conditions is included in an investigation of J–V characteristics as well.
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