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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Application of radiation emitted from local areas of PN junction for solar cell diagnostics
 Krčál, Ondřej ; Raška, Michal (referee) ; Macků, Robert (advisor)
The microplasma discharges in the PN junction local defect micro-regions are as a rule, accompanied by the emission of light. This radiation from solar cell PN junctions was measured by means of a optical fibre connected to the optical input of a photomultiplier. By inching the fibre by means of computercontrolled X-Y plotter above the cell surface a 2-D image of the irradiation local regions has been created. It is seen that a cell of a superficial area of 100 square cm contains a large number of defects, which depends on applied reverse voltage. This method can be a convenient tool for study and diagnostics of optoelectronic devices.
Detailed record
Application of radiation emitted from local areas of PN junction for solar cell diagnostics
 Krčál, Ondřej ; Raška, Michal (referee) ; Macků, Robert (advisor)
The microplasma discharges in the PN junction local defect micro-regions are as a rule, accompanied by the emission of light. This radiation from solar cell PN junctions was measured by means of a optical fibre connected to the optical input of a photomultiplier. By inching the fibre by means of computercontrolled X-Y plotter above the cell surface a 2-D image of the irradiation local regions has been created. It is seen that a cell of a superficial area of 100 square cm contains a large number of defects, which depends on applied reverse voltage. This method can be a convenient tool for study and diagnostics of optoelectronic devices.
Detailed record

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