Abstract
The near infrared light absorbing lanthanide-doped upconversion nanoparticles have been extensively used in the diverse fields due to their unique properties, such as sharp emission peaks, deep tissue penetration, low toxicity, long anti-Stokes shift, low defect concentration, and enhanced photostability. These properties make them excellent materials comparative to the other conventional luminescent materials. Upconversion nanomaterials have found a wide range of applications in photocatalysis, photovoltaics, biomedicine, sensing, security printing, and many other applications. In this particular chapter we have discussed the fundamental concepts and different mechanisms involved in upconversion processes. In addition, a brief note on various applications using these materials along with summary and future perspective have been discussed.
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Kumar, A., Krishnan, V. (2022). Near Infrared Light Active Lanthanide-Doped Upconversion Nanoparticles: Recent Advances and Applications. In: Bahnemann, D., Patrocinio, A.O.T. (eds) Springer Handbook of Inorganic Photochemistry. Springer Handbooks. Springer, Cham. https://doi.org/10.1007/978-3-030-63713-2_14
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