Dr. Johannes Üpping Profile

Dr. Johannes Üpping

at Martin-Luther Univ Halle-Wittenberg

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Author

Publications (7)

Proceedings Article | 11 September 2010 Paper

3D photonic crystals for photon management in solar cells

J. Üpping, A. Bielawny, C. Ulbrich, M. Peters, J. Goldschmidt, L. Steidl, R. Zentel, T. Beckers, A. Lambertz, R. Carius, U. Rau, R. Wehrspohn

Proc. SPIE. 7756, Active Photonic Materials III

KEYWORDS: Reflectors, Solar concentrators, External quantum efficiency, Optical spheres, Reflection, Solar cells, Crystals, Photonic crystals, Zinc oxide, Absorption

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Proceedings Article | 18 May 2010 Paper

Inverted-opal photonic crystals for ultra light-trapping in solar cells

J. Üpping, C. Ulbrich, C.. Helgert, M. Peters, L. Steidl, R. Zentel, T. Pertsch, U. Rau, R. Wehrspohn

Proc. SPIE. 7725, Photonics for Solar Energy Systems III

KEYWORDS: Optical filters, Solar energy, Optical spheres, Sun, Reflection, Solar cells, Crystals, Quantum efficiency, Photonic crystals, Absorption

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Proceedings Article | 18 May 2010 Paper

Optical characterization of 3D photonic structures for light trapping in crystalline silicon solar cells

Sebastian Knabe, Sebastian Wilken, Johannes Üpping, Ralf Wehrspohn, Gottfried Bauer

Proc. SPIE. 7725, Photonics for Solar Energy Systems III

KEYWORDS: Optical filters, Optical spheres, Reflection, Glasses, Luminescence, Photons, Crystals, Silicon, Photonic crystals, Semiconducting wafers

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Proceedings Article | 18 May 2010 Paper

Micromorph silicon tandem solar cells with fully integrated 3D photonic crystal intermediate reflectors

J. Üpping, A. Bielawny, S. Fahr, C. Rockstuhl, F. Lederer, L. Steidl, R. Zentel, T. Beckers, A. Lambertz, R. Carius, R. Wehrspohn

Proc. SPIE. 7725, Photonics for Solar Energy Systems III

KEYWORDS: Reflectors, Thin films, External quantum efficiency, Crystals, Silicon, Reflectivity, Photonic crystals, Atomic layer deposition, Zinc oxide, Tandem solar cells

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Proceedings Article | 21 August 2009 Paper

Electric transport in 3D photonic crystal intermediate reflectors for micromorph thin-film tandem solar cells

J. Üpping, A. Bielawny, S. Lee, M. Knez, R. Carius, R. Wehrspohn

Proc. SPIE. 7409, Thin Film Solar Technology

KEYWORDS: Reflectors, Thin films, External quantum efficiency, Reflectivity, Photonic crystals, Atomic layer deposition, Zinc oxide, Prototyping, Tandem solar cells, Absorption

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Proceedings Article | 8 May 2008 Paper

Directional selectivity and light-trapping in solar cells

Carolin Ulbrich, Stephan Fahr, Marius Peters, Johannes Üpping, Thomas Kirchartz, Carsten Rockstuhl, Jan Christoph Goldschmidt, Philipp Löper, Ralf Wehrspohn, Andreas Gombert, Falk Lederer, Uwe Rau

Proc. SPIE. 7002, Photonics for Solar Energy Systems II

KEYWORDS: Energy efficiency, Optical filters, Solar energy, External quantum efficiency, Sun, Solar cells, Diffusion, Quantum efficiency, Optical coatings, Silicon solar cells

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Proceedings Article | 5 May 2008 Paper

3D photonic crystals for ultra-light trapping in solar cells

J. Üpping, A. Bielawny, P. Miclea, R. Wehrspohn

Proc. SPIE. 7002, Photonics for Solar Energy Systems II

KEYWORDS: Solar energy, External quantum efficiency, Optical spheres, Sun, Solar cells, Crystals, Photonic crystals, Zinc oxide, Microwave radiation, Correlation function

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Showing 5 of 7 publications

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