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Article Abstract
Recently, various strategies have been explored during research into the use of lanthanide-doped luminescent materials to mitigate energy loss at elevated dopant concentrations. Herein we report Yb3+/Er3+ co-doped Ba6Gd2Ti4O17 (BGTO) phosphors with a laminated lattice structure, which can allow the high-concentration doping of Er3+ ions into the oxide. Detailed investigations into the luminescence properties and crystal structures of Yb3+/Er3+ co-doped BGTO reveal that an increase in the dopant concentration is associated with the dimensional limitation of energy transfer in the crystal lattice. This finding may provide a novel avenue for the construction of high-dopant-concentration UC luminescent materials.
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