Gamelin Research Group

J. Y. Diana Roh

Office: CHB 212
Email: jydroh@uw.edu

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Education

• 2023 Ph.D. Chemistry, University of Washington, with Prof. Daniel Gamelin
• 2016 B.S. Chemistry, The College of William and Mary, Williamsburg, VA

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Awards & Honors

• 2019 Torrance Due Diligence Science Analyst
• 2019 Ritter Endowed Scholarship
• 2018 Clean Energy Institute Graduate Fellowship

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Publications

2022

Kluherz, K. T.; Mergelsberg, S. T.; Sommer, D. E.; Roh, J. Y. D.; Saslow, S. A.; Biner, D.; Krämer, K. W.; Dunham, S. T.; De Yoreo, J. J.; Gamelin, D. R. "Defect structure in quantum-cutting Yb³⁺-doped CsPbCl₃ perovskites probed by x-ray absorption and atomic pair distribution function analysis." Phys. Rev. Materials, 2022, 6, 074601. (view)

Milstein, T. J.; Roh, J. Y. D.; Jacoby, L. M., Crane, M. J.; Sommer, D. E.; Dunham, S. T.; Gamelin, D. R. "Ubiquitous Near-Band-Edge Defect State in Rare-Earth-Doped Lead-Halide Perovskites." Chem. Mater., 2022, 34 3759–3769. (view)

2021

Xia, X.; Pant, A.; Zhou, X.; Dobretsova, E. A.; Bard, A. B.; Lim, M. B.; Roh, J. Y. D.; Gamelin, D. R.; Pauzauskie, P. J. "Hydrothermal Synthesis and Solid-State Laser Refrigeration of Ytterbium-Doped Potassium Lutetium Fluoride (KLF) Microcrystals." Chem. Mater., 2021, 33, 4417-4424. (view)

Xia, X.; Volpi, A.; Roh, J. Y. D.; De Siena, M. C.; Gamelin, D. R.; Hehlen, M.; Pauzauskie, P. J. "The Impact of ²H_9/2 → ⁴I_13/2 Emission from Er³⁺ Ions on Ratiometric Optical Temperature Sensing with Yb³⁺/Er³⁺ Co-Doped Upconversion Materials." J. Lumin., 2021, 236, 118006. (view)

2020

Roh, J.Y.D.; Smith, M.D.; Crane, M.J.; Biner, D.; Milstein, T.J.; Krämer, K.W.; Gamelin, D.R. "Yb³⁺ Speciation and Energy-Transfer Dynamics in Quantum-Cutting Yb³⁺-Doped CsPbCl₃ Perovskite Nanocrystals and Single Crystals." Phys. Rev. Mater., 2020, 4, 105405. (view)

2019

Crane, M. J.; Kroupa, D.; Roh, J. Y. D.; Anderson, R. T.; Smith, M.D.; Gamelin, D. R. "Single-Source Vapor Deposition of Quantum-Cutting Yb³⁺:CsPb(Cl_1-XBr_x)₃ and Other Complex Metal-Halide Perovskites." ACS Appl. Energy Mater. 2019, 2, 4560-4565. (view)

2018

Kroupa, D.M.; Roh, J.Y.; Milstein, T.J.; Creutz, S.E.; Gamelin, D.R. "Quantum-Cutting Ytterbium-Doped CsPb(Cl_1-xBr_x)₃ Perovskite Thin Films with Photoluminescence Quantum Yields over 190%." ACS Energy Lett. 2018, 3, 2390-2395.(view)

2016

Roh, J; Matecki, M. K.; Svoboda, S. A.; Wustholz, K. L. "Identifying Pigment Mixtures in Art using SERS: A Treatment Flowchart Approach." Anal. Chem. 2016, 88, 2028-2032.