Comprehensive presentation of upconversion luminescent materials, from fundamental theory to photovoltaic, photocatalytic, and biological applications Photoenergy Conversion-Enhanced Perovskite Solar Cells is a thorough guide to the synthesis and properties of lanthanide-based and triplet-triplet annihilation-based upconversion nanomaterials. The book reviews their diverse applications in the fields of photovoltaics, luminescent solar concentrator, photodetectors, photocatalysis, lasing, light-emitting diodes, high-resolution bioimaging, photothermal therapy, photoelectrochemical biosensors, optical temperature sensing, ion detection, anti-counterfeiting, f rster resonant energy transfer, volumetric full-color displays, photonic quantum logic gates, and other optical fields. Photoenergy Conversion-Enhanced Perovskite Solar Cells explores sample topics including: Challenges in spectral response and photon management of perovskite photovoltaics (PVs) Down-conversion and down-shifting for high-energy uv utilization, with information on semiconductor oxides and carbon materials Surface plasmon resonance for light-harvesting, covering basic mechanisms as well as metal alloys and nanostructures Texturing for light-trapping, discussing electron transport layers with periodic nanostructures and texturing on glass or a transparent conductive oxide Luminescent solar concentrators for light concentration, reviewing both Pb-based and Pb-free nanocrystals Photoenergy Conversion-Enhanced Perovskite Solar Cells is an essential reference for scientists, engineers, industrial experts, and advanced students to solve fundamental and applied problems of upconversion luminescent materials and think of new innovative ideas in the field of application of phosphor materials.