This book highlights various applications of upconversion phosphors mainly for solar cells and in biomedical sciences. The tuning of chemical and physical properties in upconversion phosphors has a strong influence on a number of assorted applications including solid-state lasers, photovoltaic, and bioimaging. This book presents a fundamental understanding of upconversion luminescence, and the theoretical elucidation of spectroscopic properties and luminescence dynamics of photon upconversion in rare-earth-activated phosphors.

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Dr. Vikas Dubey obtained his Ph.D. from the National Institute of Technology Raipur. He is currently working as an associate professor in the Department of Physics North-Eastern Hill University (NEHU), Shillong Meghalaya, India. His research interests are in the areas of Luminescence, Thermoluminescence, Mechanoluminescence, and Solid Sate Lighting. Dr. Neha Dubey is a principal investigator at the Government V.Y.T.PG. Autonomous College, where she began work following completion of her Ph.D. at RDVV Jabalpur in 2016. Her research interests are in the areas of Luminescence, Solid Sate Lighting, and Mechanoluminescence. Dr. Marta Michalska Domanska graduated in physical chemistry at the University of Warsaw and completed her Ph.D. at the Military University of Technology (MUT, Poland). She works in the field of materials science and focuses especially on the synthesis and characterization of nanomaterials for photovoltaics and biomedical and spectroscopic applications. Dr. Jagjeet Kaur Saluja currently works as a professor in the Department of Physics at the Government V.Y.T.PG. Auto. College, Durg, Chhattisgarh, India. Her research interests are broadly in the areas of Material Sciences.