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The Staebler–Wronski Effect (SWE) refers to light-induced metastable changes in the properties of hydrogenated amorphous silicon. The defect density of hydrogenated amorphous silicon (a-Si:H) increases with light exposure, causing an increase in the recombination current and reducing the efficiency of the conversion of sunlight into electricity.

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  • Staebler-Wronski-Effekt (de)
  • Effetto Staebler-Wronski (it)
  • Effet Staebler–Wronski (fr)
  • Staebler–Wronski effect (en)
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  • L'effet Staebler-Wronski (SWE) fait référence aux changements induits par la lumière métastables dans les propriétés du silicium amorphe hydrogéné. La densité de défauts de silicium amorphe hydrogéné (a-Si: H) augmente avec l'exposition à la lumière, ce qui provoque une augmentation du courant de recombinaison et de réduire l'efficacité de la conversion de la lumière en électricité. (fr)
  • The Staebler–Wronski Effect (SWE) refers to light-induced metastable changes in the properties of hydrogenated amorphous silicon. The defect density of hydrogenated amorphous silicon (a-Si:H) increases with light exposure, causing an increase in the recombination current and reducing the efficiency of the conversion of sunlight into electricity. (en)
  • L'effetto Staebler-Wronski è la riduzione della conducibilità di buio e della fotoconducibilità spettrale di una superficie in silicio amorfo seguente la creazione di coppie elettrone-lacuna per effetto fotovoltaico.Tale caratteristica costituisce la principale causa della repentina degradazione in potenza dei moduli fotovoltaici realizzati con questo materiale una volta esposti permanentemente alla luce del sole. (it)
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  • L'effet Staebler-Wronski (SWE) fait référence aux changements induits par la lumière métastables dans les propriétés du silicium amorphe hydrogéné. La densité de défauts de silicium amorphe hydrogéné (a-Si: H) augmente avec l'exposition à la lumière, ce qui provoque une augmentation du courant de recombinaison et de réduire l'efficacité de la conversion de la lumière en électricité. Il a été découvert par (en) et (en) en 1977. Ils ont montré que le courant d'obscurité et de photoconductivité de silicium amorphe hydrogéné peut être réduite de manière significative par illumination avec de la lumière intense prolongée. (fr)
  • The Staebler–Wronski Effect (SWE) refers to light-induced metastable changes in the properties of hydrogenated amorphous silicon. The defect density of hydrogenated amorphous silicon (a-Si:H) increases with light exposure, causing an increase in the recombination current and reducing the efficiency of the conversion of sunlight into electricity. It was discovered by David L. Staebler and Christopher R. Wronski in 1977. They showed that the dark current and photoconductivity of hydrogenated amorphous silicon can be reduced significantly by prolonged illumination with intense light. However, on heating the samples to above 150 °C, they could reverse the effect. (en)
  • L'effetto Staebler-Wronski è la riduzione della conducibilità di buio e della fotoconducibilità spettrale di una superficie in silicio amorfo seguente la creazione di coppie elettrone-lacuna per effetto fotovoltaico.Tale caratteristica costituisce la principale causa della repentina degradazione in potenza dei moduli fotovoltaici realizzati con questo materiale una volta esposti permanentemente alla luce del sole. L'effetto non è osservabile nella forma cristallina del silicio o in altri film sottili con la medesima destinazione d'uso.A causa dell'effetto Staebler-Wronski un pannello solare in silicio amorfo perde il 30% delle prestazioni di potenza dichiarate dal costruttore nelle prime 300-400 ore di esposizione. (it)
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