Emerging Strategies to Reduce Transmission and Thermalization Losses in Solar Cells

Morten Madsen is Professor WSR at the Mads Clausen Institute at the University of Southern Denmark (SDU), where he is heading the organic photovoltaics research group.Jonas Sandby Lissau is a postdoctoral researcher at the University of Southern Denmark.

• Introduction: Solar cell e!ciency and routes beyond current limits.- Part I: Addressing transmission losses – sequential absorption via triplet fusion in organic materials.- Photophysics.- Near-infrared-to-visible photon upconversion.- Photon upconversion based on sensitized triplet-triplet annihilation (sTTA) in solids.- Organic triplet photosensitizers for triplet-triplet annihilation upconversion.- Plasmon-enhanced homogeneous and heterogeneous triplet–triplet annihilation.- Part II: Molecular oxygen and triplets – photophysics and protective strategies.- Molecular Oxygen in Photoresponsive Organic Materials.- Protective Strategies towards Long-term Operation of Annihilation Photon Energy Upconversion.- Additive-assisted stabilization against photooxidation of organic and hybrid solar cells.- Part III: Implementation of photochemical upconversion in solar cells.- Optically-coupled Upconversion Solar Cells.- Electronically-coupled TTA-UC Solar Cells.- Part IV: Addressing transmission losses – sequential absorption in rare earth ions.- Rare-earth ion based photon up-conversion for transmission-loss reduction in solar cells.- Nanophotonics for photon upconversion enhancement.- Part V: Addressing thermalisation losses – singlet fission and quantum cutting.- Singlet fission – mechanisms and molecular design.- Singlet fission solar cells.