About: Study of defect regions local heating in solar cells pn junctions by means of microplasma noise

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The present paper deals with diagnostics of local defects in crystalline silicon solar cells pn junctions. Local avalanche breakdowns take place in the neighbourhood of these defects at sufficiently high reverse voltage. These breakdowns give rise to microplasma noise which is often characterized by current impulses whose inception time and duration time are random. The effective cross-section of the microplasma region being rather small, the current density may achieve a high value, which in turn can result in local heating of the micro-region and, consequently, the junction destruction. This phenomenon can be observed in solar panels when individual solar cells can go into the reversed-bias state due to the shadowing of a part of the panel. Based on our analysis of the microplasma noise statistical generation-recombination process for a time-dependent generation and recombination coefficients in the course of the impulse separation and impulse duration, an algorithm for determining the generation an The present paper deals with diagnostics of local defects in crystalline silicon solar cells pn junctions. Local avalanche breakdowns take place in the neighbourhood of these defects at sufficiently high reverse voltage. These breakdowns give rise to microplasma noise which is often characterized by current impulses whose inception time and duration time are random. The effective cross-section of the microplasma region being rather small, the current density may achieve a high value, which in turn can result in local heating of the micro-region and, consequently, the junction destruction. This phenomenon can be observed in solar panels when individual solar cells can go into the reversed-bias state due to the shadowing of a part of the panel. Based on our analysis of the microplasma noise statistical generation-recombination process for a time-dependent generation and recombination coefficients in the course of the impulse separation and impulse duration, an algorithm for determining the generation an (en)
Title	Study of defect regions local heating in solar cells pn junctions by means of microplasma noise Study of defect regions local heating in solar cells pn junctions by means of microplasma noise (en)
skos:prefLabel	Study of defect regions local heating in solar cells pn junctions by means of microplasma noise Study of defect regions local heating in solar cells pn junctions by means of microplasma noise (en)
skos:notation	RIV/00216305:26220/10:PU89291!RIV11-GA0-26220___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GAP102/10/2013), Z(MSM0021630503)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Koktavý, Pavel Macků, Robert Trčka, Tomáš Koktavý, Bohumil
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta elektrotechniky a komunikačních technologií
http://linked.open...dnocenehoVysledku	290759
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/10:PU89291
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Solar Cell, Defects, Characterisation (en)
http://linked.open.../riv/klicoveSlovo	Characterisation Defects Solar Cell
http://linked.open...ontrolniKodProRIV	[188FE5ED25B4]
http://linked.open...v/mistoKonaniAkce	Valencia
http://linked.open...i/riv/mistoVydani	Valencia
http://linked.open...i/riv/nazevZdroje	25th European Photovoltaic Solar Energy Conference (id 18618)
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Fluctuation processes in PN junctions of solar cells
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Koktavý, Pavel Macků, Robert Trčka, Tomáš Koktavý, Bohumil
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2010-09-06 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Nové trendy v mikroelektronických systémech a nanotechnologiích (MIKROSYN)
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	WIP - Renewable Energies
https://schema.org/isbn	3-936338-26-4
http://localhost/t...ganizacniJednotka	26220

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