InhaltsangabePreface CURRENT CONCEPTS FOR OPTICAL PATH ENHANCEMENT IN SOLAR CELLS Introduction Planar Antireflection Coatings Optical Path Enhancement in the Ray Optical Limit Scattering Structures for Optical Path Enhancement Resonant Structures for Optical Path Enhancement UltraLight Trapping EnergySelective Structures as Intermediate Reflectors for Optical Path Enhancement in Tandem Solar Cells Comparison of the Concepts Conclusions THE PRINCIPLE OF DETAILED BALANCE AND THE OPTO-ELECTRONIC PROPERTIES OF SOLAR CELLS Introduction OptoElectronic Reciprocity Connection to Other Reciprocity Theorems Applications of the Opto-Electronic Reciprocity Theorem Limitations to the Opto-Electronic Reciprocity Theorem Conclusions REAR SIDE DIFFRACTIVE GRATINGS FOR SILICON WAFER SOLAR CELLS Introduction Principle of Light Trapping with Gratings Fundamental Limits of Light Trapping with Gratings Simulation of Gratings in Solar Cells Realization Topographical Characterization Summary RANDOMLY TEXTURED SURFACES Introduction Methodology Properties of an Isolated Interface SingleJunction Solar Cell Intermediate Layer in Tandem Solar Cells Conclusions BLACK SILICON PHOTOVOLTAICS Introduction Optical Properties and Light Trapping Possibilities Surface Passivation of Black Silicon Black Silicon Solar Cells CONCENTRATOR OPTICS FOR PHOTOVOLTAIC SYSTEMS Fundamentals of Solar Concentration Optical Designs Silicone on Glass Fresnel Lenses Considerations on Concentrators in HCPV Systems Conclusions LIGHTTRAPPING IN SOLAR CELLS BY DIRECTIONALLY SELECTIVE FILTERS Introduction Theory Filter Systems Experimental Realization Summary and Outlook LINEAR OPTICS OF PLASMONIC CONCEPTS TO ENHANCE SOLAR CELL PERFORMANCE Introduction Metal Nanoparticles SurfacePlasmon Polaritons FrontSide Plasmonic Nanostructures RearSide Plasmonic Nanostructures Further Concepts Summary UPCONVERSION MATERIALS FOR ENHANCED EFFICIENCY OF SOLAR CELLS Introduction UpConversion in Er3+Doped ZBLAN Glasses UpConversion in Er3+Doped BetaNaYF4 Simulating Up-Conversion with a Rate-Equation Model Increasing Up-Conversion Efficiencies Conclusion DOWNCONVERSION IN RAREEARTH DOPED GLASSES AND GLASS CERAMICS Introduction Physical Background DownConversion in ZBLAN Glasses and Glass Ceramics DownConversion in SmDoped Borate Glasses for HighEfficiency CdTe Solar Cells Summary FLUORESCENT CONCENTRATORS FOR PHOTOVOLTAIC APPLICATIONS Introduction The Theoretical Description of Fluorescent Concentrators Materials for Fluorescent Concentrators Experimentally Realized Fluorescent Concentrator Systems Conclusion LIGHT MANAGEMENT IN SOLAR MODULES Introduction Fundamentals of Light Management in Solar Modules Technological Solutions for Minimized Optical Losses in Solar Modules Outlook Index

Ralf B. Wehrspohn studied physics at the University of Oldenburg, Germany, and received his Ph.D. degree from the Ecole Polytechnique in Paris in 1997. Until 1999 he worked on thin-film transistors for AMLCDs at Philips Research. From 1999 until 2003 he led the Porous Materials/Photonic Crystals group at the Max Planck Institute of Microstructure Physics in Halle, after which he held a chair at the Physics department of the University of Paderborn for three years. Since 2006, he has been the director of the Fraunhofer-Institute for Mechanics of Materials and a Professor of Physics at the Martin-Luther-University Halle-Wittenberg. Professor Wehrspohn was awarded the Maier-Leibnitz Prize of the German Science Foundation in 2003. Uwe Rau is full professor at RWTH Aachen (Faculty Electrical Engineering and Computer Science, chair of photovoltaics) since 2007 and is head of the energy research IEF-55 photovoltaic institute at the research center in Julich. He obtained his PhD 1991 from Physical Institute of the University Tubingen (Prof. Huebener) and was scientific group leader from 1995-2007 at the University Bayreuth and Stuttgart. Andreas Gombert is chief technology officer of Concentrix Solar, Freiburg, Germany, a division of the Soitec Group.

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