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Towards ultra-high efficient photovoltaics with perovskite/crystalline silicon tandem devices Proceedings Article
In: WIP, (Hrsg.): Proceedings of the 31st European Photovoltaic Solar Energy Conference, S. 6-11, Hamburg, Germany, 2015, ISBN: 3-936338-39-6.
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Recent Progress and Options for Future Crystalline Silicon Solar Cells Proceedings Article
In: WIP, (Hrsg.): Proceedings of the 28th European Photovoltaic Solar Energy Conference, S. 676-690, Paris, France, 2013, ISBN: 3-936338-33-7.