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1. Tuning the Intermediate Valence Behavior in the Zintl Compound Yb 14 ZnSb 11 by Incorporation of RE 3+ [Yb 14–x RE x ZnSb 11 (0.2 ≤ x ≤ 0.7), RE = Sc, Y, La, Lu and Gd]

   https://doi.org/10.1021/acs.inorgchem.2c03817  

   Shang, Rongqing ; He, Allan ; Kunz Wille, Elizabeth L. ; Jo, Na Hyun ; Fettinger, James C. ; Canfield, Paul C. ; Kauzlarich, Susan M. ( February 2023 , Inorganic Chemistry)
2. Negative Thermal Quenching in Quantum-Cutting Yb 3+ -Doped CsPb(Cl 1– x Br x ) 3 Perovskite Nanocrystals

   https://doi.org/10.1021/acsnano.3c05053  

   Roh, Joo Yeon ; Milstein, Tyler J. ; Gamelin, Daniel R. ( September 2023 , ACS Nano)
3. Crystal structure of the [(THF)Cs(μ-η 5 :η 5 -Cp′) 3 Yb] n oligomer

   https://doi.org/10.1107/S2056989020008051  

   Huh, Daniel N. ; Ziller, Joseph W. ; Evans, William J. ( July 2020 , Acta Crystallographica Section E Crystallographic Communications)

   null (Ed.)

   The green compound poly[(tetrahydrofuran)tris[μ-η 5 :η 5 -1-(trimethylsilyl)cyclopentadienyl]caesium(I)ytterbium(II)], [CsYb(C 8 H 13 Si) 3 (C 4 H 8 O)] n or [(THF)Cs(μ-η 5 :η 5 -Cp′) 3 Yb II ] n was synthesized by reduction of a red THF solution of (C 5 H 4 SiMe 3 ) 3 Yb III with excess Cs metal and identified by X-ray diffraction. The compound crystallizes as a two-dimensional array of hexagons with alternating Cs I and Yb II ions at the vertices and cyclopentadienyl groups bridging each edge. This, based off the six-electron cyclopentadienyl rings occupying three coordination positions, gives a formally nine-coordinate tris(cyclopentadienyl) coordination environment to Yb and the Cs is ten-coordinate due to the three cyclopentadienyl rings and a coordinated molecule of THF. The complex comprises layers of Cs 3 Yb 3 hexagons with THF ligands and Me 3 Si groups in between the layers. The Yb—C metrical parameters are consistent with a 4 f 14 Yb II electron configuration. 

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4. Single-Source Vapor Deposition of Quantum-Cutting Yb 3+ :CsPb(Cl 1–x Br x ) 3 and Other Complex Metal-Halide Perovskites

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   Crane, Matthew J. ; Kroupa, Daniel M. ; Roh, Joo Yeon ; Anderson, Rayne T. ; Smith, Matthew D. ; Gamelin, Daniel R. ( May 2019 , ACS Applied Energy Materials)
5. Hydrothermal Synthesis of Yb 3+ : LuLiF 4 Microcrystals and Laser Refrigeration of Yb 3+ : LuLiF 4 /Silicon‐Nitride Composite Nanostructures

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