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Enhanced upconversion luminescence of hexagonal NaYF4: Yb Er core nanorods coated with the NIR light harvester NaYbF4 shell

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Author
Anurag Sharma
Category
Quantitative
Date Posted
2021/06/30
Date Retrieved
2023/01/24
Date Revised
Date Written
2021/06/30
Description
Photovoltaic technology has made considerable progress in recent decades but its insensitivitytowards the absorption of near-infrared (NIR) light limits its competitiveness. Withoutchanging the current designs and benefits of photovoltaic technology lanthanide-dopedupconversion nanoparticle (UCNP) provides a solution to the harvesting of NIR light bycombining two or more NIR light photons into a single visible light photon. However manyresearchers used core UCNP for solar cell applications but the low upconversion luminescence(UCL) and light-harvesting ability of core UCNP still limited their use. Therefore we designedand fabricated core@shell architecture of upconversion nanorods (UCNR) with high UCL bycoating an active light-harvesting NaYbF4 shell onto NaYF4:Yb Er core nanorods through ahydrothermal method. Moreover the effect of increased shell thickness on the crystalarchitecture and luminescent property of synthesized NaYF4:Yb Er@NaYbF4 core@shellUCNR were systematically investig
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Photovoltaic Upconversion nanoparticles Upconversion luminescence Core@shell nanorods.
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