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1.

L Helmich; D C Walter; T Pernau; J Schmidt

Carrier Lifetime Stability of Boron-Doped Czochralski-Grown Silicon Materials for Years After Regeneration in an Industrial Belt Furnace Artikel

In: IEEE Journal of Photovoltaics, Bd. 12, Nr. 1, S. 198-203, 2022.

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2.

L Helmich; D C Walter; R Falster; V V Voronkov; J Schmidt

Impact of hydrogen on the boron-oxygen-related lifetime degradation and regeneration kinetics in crystalline silicon Artikel

In: Solar Energy Materials and Solar Cells, Bd. 232, S. 111340, 2021, ISSN: 0927-0248.

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3.

M Winter; D C Walter; J Schmidt

Carrier Lifetime Degradation and Regeneration in Gallium- and Boron-Doped Monocrystalline Silicon Materials Artikel

In: IEEE Journal of Photovoltaics, Bd. 11, Nr. 4, S. 866-872, 2021.

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4.

N Wehmeier; G Fischer; S Herlufsen; F Wolny; M Wagner; K Bothe; M Müller

Kinetics of the Light and Elevated Temperature Induced Degradation and Regeneration of Quasi-Monocrystalline Silicon Solar Cells Artikel

In: IEEE Journal of Photovoltaics, Bd. 11, Nr. 4, S. 890-896, 2021, ISSN: 2156-3403.

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5.

T Pernau; C Derricks; G Hahn; L Helmich; A Herguth; J Schmidt; D Walter

Upgrade Technologies for Silicon Photovoltaics – Part I: Industrial Solution to Minimize the Negative Impact of Light Induced Degradation Proceedings Article

In: WIP, (Hrsg.): Proceedings of the 37th European Photovoltaic Solar Energy Conference and Exhibition, S. 414-417, Online Event, 2020.

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6.

L Helmich; D C Walter; J Schmidt

Direct Examination of the Deactivation of the Boron–Oxygen Center in Cz-Si Solar Cells Under Regeneration Conditions via Electroluminescence Artikel

In: IEEE Journal of Photovoltaics, Bd. 9, Nr. 6, S. 1472-1476, 2019, ISSN: 2156-3381.

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7.

L Helmich; D C Walter; D Bredemeier; R Falster; V V Voronkov; J Schmidt

In-situ characterization of electron-assisted regeneration of Cz-Si solar cells Artikel

In: Solar Energy Materials and Solar Cells, Bd. 185, S. 283-286, 2018, ISSN: 0927-0248.

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8.

D Bredemeier; D C Walter; J Schmidt

Production Compatible Remedy Against LeTID in High-Performance Multicrystalline Silicon Solar Cells Proceedings Article

In: WIP, (Hrsg.): Proceedings of the 35th European Photovoltaic Solar Energy Conference and Exhibition, S. 406-409, Brussels, Belgium, 2018.

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9.

D C Walter; L Helmich; D Bredemeier; J Schmidt; R Falster; V V Voronkov

Lifetime Evolution during Regeneration in Boron-Doped Czochralski-Silicon Proceedings Article

In: WIP, (Hrsg.): Proceedings of the 35th European Photovoltaic Solar Energy Conference and Exhibition, S. 522-526, Brussels, Belgium, 2018.

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10.

D C Walter; T Pernau; J Schmidt

Ultrafast lifetime regeneration of boron-doped Czochralski-silicon in an industrial belt-line furnace Sonstige

Photovoltaics International Volume 34, 2016.

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11.

F Hüsing; H Hirsch; G Rockendorf

Combination of Solar Thermal Collectors and Horizontal Ground Heat Exchangers as Optimized Source for Heat Pumps Proceedings Article

In: ISES, (Hrsg.): Conference Proceedings EuroSun 2016, Palma de Mallorca, Spain, 2016.

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12.

D Bredemeier; D Walter; S Herlufsen; J Schmidt

Measures for eliminating light-induced lifetime degradation in multicrystalline silicon Proceedings Article

In: WIP, (Hrsg.): Proceedings of the 32nd European Photovoltaic Solar Energy Conference, S. 504-506, Munich, Germany, 2016, ISBN: 3-936338-41-8.

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13.

D Walter; T Pernau; J Schmidt

Ultrafast lifetime regeneration in an industrial belt-line furnace applying intense illumination at elevated temperature Proceedings Article

In: WIP, (Hrsg.): Proceedings of the 32nd European Photovoltaic Solar Energy Conference, S. 469-473, Munich, Germany, 2016, ISBN: 3-936338-41-8.

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14.

D Bredemeier; D Walter; S Herlufsen; J Schmidt

Understanding the light-induced lifetime degradation and regeneration in multicrystalline silicon Artikel

In: Energy Procedia, Bd. 92, S. 773-778, 2016, ISSN: 1876-6102, (Proceedings of the 6th International Conference on Crystalline Silicon Photovoltaics (SiliconPV 2016)).

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