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Research

IRG 1: Defects in Nanostructures

IRG 1 is engineering unprecedented physical properties into inorganic nanostructures by controlling defect formation and doping, and will exploit emergent properties to forge new technological frontiers ranging from laser cooling to solar concentration.

People

Publications

  1. High-Throughput Workflow for the Synthesis of CdSe Nanocrystals Using a Sonochemical Materials Acceleration Platform

    Maria Politi, Fabio Baum, Kiran Vaddi, Joshua Vasquez, Edwin Antonio, Brittany P. Bishop, Nadya Peek, Vincent C. Holmberg, Lilo D. Pozzo
  2. Laboratory X-ray Emission Spectrometer for Phosphorus Kα and Kβ Study of Air-Sensitive Samples

    Gerald Seidler, Jared Abramson, Brandi Cossairt, Alexandra Velian, Ricardo Rivera-Maldonado, William Holden
  3. Deterministic fabrication of 3D/2D perovskite bilayer stacks for durable and efficient solar cells

    Sidhik, Siraj; Wang, Yafei; De Siena, Michael; Asadpour, Reza; Torma, Andrew J.; Terlier, Tanguy; Ho, Kevin; Li, Wenbin; Puthirath, Anand B.; Shuai, Xinting; Agrawal, Ayush; Traore, Boubacar; Jones, Matthew; Giridharagopal, Rajiv; Ajayan, Pulickel M.; Strzalka, Joseph; Ginger, David S.; Katan, Claudine; Alam, Muhammad Ashraful; Even, Jacky; Kanatzidis, Mercouri G.; Mohite, Aditya D.
  4. (3-Aminopropyl)trimethoxysilane Surface Passivation Improves Perovskite Solar Cell Performance by Reducing Surface Recombination Velocity

    Yangwei Shi, Esteban Rojas-Gatjens, Jian Wang, Justin Pothoof, Rajiv Giridharagopal, Kevin Ho, Fangyuan Jiang, Margherita Taddei, Zhaoqing Yang, Erin M. Sanehira, Michael D. Irwin, Carlos Silva-Acuña, and David S. Ginger
  5. Ethylenediamine Addition Improves Performance and Suppresses Phase Instabilities in Mixed-Halide Perovskites

    Margherita Taddei Margherita Taddei, Joel A. Smith, Benjamin M. Gallant, Suer Zhou, Robert J. E. Westbrook, Yangwei Shi, Jian Wang, James N. Drysdale, Declan P. McCarthy, Stephen Barlow, Seth R. Marder, Henry J. Snaith, and David S. Ginger
  6. Understanding External Pressure Effects and Interlayer Orbital Exchange Pathways in the Two-Dimensional Magnet─Chromium Triiodide

    Beck, Ryan A.; Sun, Shichao; Xu, Xiaodong; Gamelin, Daniel R.; Cao, Ting; and Li, Xiaosong
  7. Optically Detected Magnetic Resonance Spectroscopy of Cu-doped CdSe and Cu-based CuInS2 Colloidal Quantum Dots

    Harchol, A.; Barak, Y.; Hughes, K. E.; Hartstein, K. H.; Jöbsis, H. j.; Prins, P. T.; de Mello Donega, C.; Gamelin, D. R.; Lifshitz, E.
  8. Photoinduced Charge Transfer from Quantum Dots Measured by Cyclic Voltammetry

    Micaela K. Homer, Ding-Yuan Kuo, Florence Y. Dou, and Brandi M. Cossairt
  9. Defect Structure in Quantum-Cutting Yb3+-Doped CsPbCl3 Perovskites Probed by X-Ray Absorption and Atomic Pair Distribution Function Analysis

    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.
  10. Direct Patterning of Perovskite Nanocrystals on Nanophotonic Cavities with Electrohydrodynamic Inkjet Printing

    Cohen, Theodore A.; Sharp, David; Kluherz, Kyle T.; Chen, Yueyang; Munley, Christopher; Anderson, Rayne T.; Swanson, Connor J.; De Yoreo, James J.; Luscombe, Christine K.; Majumdar, Arka; Gamelin, Daniel R.; Mackenzie, J. Devin
  11. High-throughput and data driven strategies for the design of deep-eutectic solvent electrolytes

    Jaime Rodriguez Jr., Maria Politi, Stuart Adler, David Beck and Lilo Pozzo
  12. Light-Induced Ferromagnetism in Moiré Superlattices

    Wang, X.; Xiao, C.; Park, H.; Zhu, J.; Wang, C.; Taniguchi, T.; Watanabe, K.; Yan, J.; Xiao, D.; Gamelin, D. R.; Yao, W.; Xu, X.
  13. Integrated Quantum Nanophotonics with Solution-Processed Materials

    Chen, Y., Sharp, D., Saxena, A., Nguyen, H., Cossairt, B.M. and Majumdar, A
  14. Ubiquitous Near-Band-Edge Defect State in Rare-Earth-Doped Lead-Halide Perovskites

    Milstein, T. J.; Roh, J. Y. D.; Jacoby, L. M.; Crane, M. J.; Sommer, D. E.; Dunham, S. T.; Gamelin, D. R
  15. Negative critical currents in single-channel Josephson junctions

    A.V. Rozhkov, Tony Liu, A.V. Andreev, B.Z. Spivak
  16. Reduced photothermal heating in diamonds enriched with H3 point defects

    Chaman Gupta, Anupum Pant, Xiaojing Xia, Greg Felsted, Katharina Senkalla, Scott T. Dunham, Fedor Jelezko, Peter J. Pauzauskie
  17. Ubiquitous Near-Band-Edge Defect State in Rare-Earth-Doped Lead-Halide Perovskites

    Milstein, T. J.; Roh, J. Y. D.; Jacoby, L. M.; Crane, M. J.; Sommer, D. E.; Dunham, S. T.; Gamelin, D. R.
  18. Conjugated Metal−Organic Macrocycles: Synthesis, Characterization, and Electrical Conductivity

    Leo B. Zasada, Lorenzo Guio, Austin A. Kamin, Diwash Dhakal, Madison Monahan, Gerald T. Seidler, Christine K. Luscombe, and Dianne J. Xiao
  19. Coherent Spin Dynamics in Vapor-Deposited CsPbBr3 Perovskite Thin Films

    Jacoby, Laura M.; Crane, Matthew J.; Gamelin, Daniel R.
  20. Uncovering the Influence of Ni2+ Doping in Lead-Halide Perovskite Nanocrystals Using Optically Detected Magnetic Resonance Spectroscopy

    Yahel Barak, Itay Meir, Joanna Dehnel, Faris Horani, Daniel R. Gamelin, Arthur Shapiro, and Efrat Lifshitz
  21. Universal machine learning framework for defect predictions in zinc blende semiconductors

    Arun Mannodi-Kanakkithodi, Xiaofeng Xiang, Laura Jacoby, Robert Biegaj, Scott T. Dunham, Daniel R. Gamelin, Maria K.Y. Chan
  22. Consensus statement: Standardized reporting of power-producing luminescent solar concentrator performance

    Chenchen Yang, Harry A. Atwater, Marc A. Baldo, Derya Baran, Christopher J. Barile, Miles C. Barr, Matthew Bates, Moungi G. Bawendi, Matthew R. Bergren, Babak Borhan, Christoph J. Brabec, Sergio Brovelli, Vladimir Bulović, Paola Ceroni, Michael G. Debije, Jose-Maria Delgado-Sanchez, Wen-Ji Dong, Phillip M. Duxbury, Rachel C. Evans, Stephen R. Forrest, Daniel R. Gamelin, Noel C. Giebink, Xiao Gong, Gianmarco Griffini, Fei Guo, Christopher K. Herrera, Anita W.Y. Ho-Baillie, Russell J. Holmes, Sung-Kyu Hong, Thomas Kirchartz, Benjamin G. Levine, Hongbo Li, Yilin Li, Dianyi Liu, Maria A. Loi, Christine K. Luscombe, Nikolay S. Makarov, Fahad Mateen, Raffaello Mazzaro, Hunter McDaniel, Michael D. McGehee, Francesco Meinardi, Amador Menéndez-Velázquez, Jie Min, David B. Mitzi, Mehdi Moemeni, Jun Hyuk Moon, Andrew Nattestad, Mohammad K. Nazeeruddin, Ana F. Nogueira, Ulrich W. Paetzold, David L. Patrick, Andrea Pucci, Barry P. Rand, Elsa Reichmanis, Bryce S. Richards, Jean Roncali, Federico Rosei, Timothy W. Schmidt, Franky So, Chang-Ching Tu, Aria Vahdani, Wilfried G.J.H.M. van Sark, Rafael Verduzco, Alberto Vomiero, Wallace W.H. Wong, Kaifeng Wu, Hin-Lap Yip, Xiaowei Zhang, Haiguang Zhao, Richard R. Lunt
  23. Ferromagnetism and Spin-Polarized Luminescence in Lead-Free CsEuCl3 Perovskite Nanocrystals and Thin Films

    Kelly M. Walsh, Kimo Pressler, Matthew J. Crane, and Daniel R. Gamelin
  24. Organic building blocks at inorganic nanomaterial interfaces

    Huang, Y.; Cohen, T.A.; Sperry, B.M.; Larson, H.; Nguyen, H.A.; Homer, M.K.; Dou, F.; Jacoby, L.M.; Cossairt, B.M.; Gamelin, D.R.; Luscombe, C.K.
  25. Impact of Surface and Laser-induced Noise on the Spectral Stability of Implanted Nitrogen-vacancy Centers in Diamond

    Srivatsa Chakravarthi, Christian Pederson, Zeeshawn Kazi, Andrew Ivanov, and Kai-Mei C. Fu
  26. Tuning the Interfacial Stoichiometry of InP Core and InP/ZnSe Core/Shell Quantum Dots

    Nayon Park, Forrest W. Eagle, Asher J. DeLarme, Madison Monahan, Talia LoCurto, Ryan Beck, Xiaosong Li, and Brandi M. Cossairt
  27. Hydrothermal Synthesis of Yb3+: LuLiF4 Microcrystals and Laser Refrigeration of Yb3+: LuLiF4/Silicon-Nitride Composite Nanostructures

    Elena A. Dobretsova, Xiaojing Xia, Anupum Pant, Matthew B. Lim, Michael C. De Siena, Kirill N. Boldyrev, Anastasia D. Molchanova, Nadezhda N. Novikova, Sergei A. Klimin, Marina N. Popova, Yueyang Chen, Arka Majumdar, Daniel R. Gamelin, Peter J. Pauzauskie
  28. Tunable Band-Edge Potentials and Charge Storage in Colloidal Tin-Doped Indium Oxide (ITO) Nanocrystals

    Jose J. Araujo, Carl K. Brozek, Hongbin Liu, Anna Merkulova, Xiaosong Li, and Daniel R. Gamelin
  29. Orientation of Individual Anisotropic Nanocrystals Identified by Polarization Fingerprint

    Severin Lorenz, Jan Bieniek, Christian S. Erickson, Daniel R. Gamelin, Rachel Fainblat, and Gerd Bacher
  30. Moiré Trions in MoSe2/WSe2 Heterobilayers

    Xi Wang, Jiayi Zhu, Kyle L. Seyler, Pasqual Rivera, Huiyuan Zheng, Yingqi Wang, Minhao He, Takashi Taniguchi, Kenji Watanabe, Jiaqiang Yan, David G. Mandrus, Daniel R. Gamelin, Wang Yao, Xiaodong Xu
  31. Laser-Driven Growth of Semiconductor Nanowires from Colloidal Nanocrystals

    Elena P. Pandres, Matthew J. Crane, E. James Davis, Peter J. Pauzauskie, and Vincent C. Holmberg
  32. Unraveling Strain Gradient Induced Electromechanical Coupling in Twisted Double Bilayer Graphene Moiré Superlattices

    Li, Y., Wang, X., Tang, D., Wang, X., Watanabe, K., Taniguchi, T., Gamelin, D. R., Cobden, D. H., Yankowitz, M., Xu, X., Li, J.
  33. Modular Zwitterion-Functionalized Poly(Isopropyl Methacrylate) Polymers for Hosting Luminescent Lead-Halide Perovskite Nanocrystals

    Cohen, T. A.; Huang, Y.; Bricker, N. A.; Juhl, C. S.; Milstein, T. J.; Mackenzie, J. D.; Luscombe, C. K.; Gamelin, D. R.
  34. Imaging Graphene Moiré Superlattices via Scanning Kelvin Probe Microscopy

    Junxi Yu, Rajiv Giridharagopal, Yuhao Li, Kaichen Xie, Jiangyu Li, Ting Cao, Xiaodong Xu, and David S. Ginger
  35. The impact of 2H9/2 4I13/2 Emission from Er3+ Ions on Ratiometric Optical Temperature Sensing with Yb3+/Er3+ Co-Doped Upconversion Materials

    Xia, X.; Volpi, A.; Roh, J. Y. D.; De Siena, M. C.; Gamelin, D. R.; Hehlen, M.; Pauzauskie, P. J.
  36. Highly Anisotropic Excitons and Multiple Phonon Bound States in a Van der Waals Antiferromagnetic Insulator.

    Kyle Hwangbo, Qi Zhang, Qianni Jiang, Yong Wang, Jordan Fonseca, Chong Wang, Geoffrey M. Diederich, Daniel R. Gamelin, Di Xiao, Jiun-Haw Chu, Wang Yao & Xiaodong Xu
  37. Bismuth-doping Alters Structural Phase Transitions in Methylammonium Lead Tribromide Single Crystals

    Erin Jedlicka, Jian Wang, Joshua Mutch, Young-Kwang Jung, Preston Went, Joseph Mohammed, Mark Ziffer, Rajiv Giridharagopal, Aron Walsh, Jiun-Haw Chu, and David S. Ginger
  38. Surface Chemistry and Quantum Dot Luminescence: Shell Growth, Atomistic Modification, and Beyond

    Forrest W. Eagle, Nayon Park, Melanie Cash, and Brandi M. Cossairt
  39. Highly Luminescent and Catalytically Active Suprastructures of Magic-sized Semiconductor Nanoclusters

    Woonhyuk Baek, Megalamane S. Bootharaju, Kelly M. Walsh, Sanghwa Lee, Daniel R. Gamelin & Taeghwan Hyeon
  40. Ligand Pyrolysis during Air-Free Inorganic Nanocrystal Synthesis

    Breena M. Sperry and Christine K. Luscombe
  41. Hydrothermal Synthesis and Solid-State Laser Refrigeration of Ytterbium-Doped Potassium Lutetium Fluoride (KLF) Microcrystals

    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.
  42. Imaging Topological Spin Structures Using Light-Polarization and Magnetic Microscopy

    Till Lenz, Georgios Chatzidrosos, Zhiyuan Wang, Lykourgos Bougas, Yannick Dumeige, Arne Wickenbrock, Nico Kerber, Jakub Zázvorka, Fabian Kammerbauer, Mathias Kläui, Zeeshawn Kazi, Kai-Mei C. Fu, Kohei M. Itoh, Hideyuki Watanabe, and Dmitry Budker
  43. Coherent Spin Precession and Lifetime-Limited Spin Dephasing in CsPbBr3 Perovskite Nanocrystals

    Matthew J. Crane, Laura M. Jacoby, Theodore A. Cohen, Yunping Huang, Christine K. Luscombe, and Daniel R. Gamelin
  44. Yb3+ Speciation and Energy-Transfer Dynamics in Quantum-Cutting Yb3+-Doped CsPbCl3 Perovskite Nanocrystals and Single Crystals

    Joo Yeon D. Roh, Matthew D. Smith, Matthew J. Crane, Daniel Biner, Tyler J. Milstein, Karl W. Krämer, Daniel R. Gamelin
  45. Insight into the Spin Properties in Undoped and Mn-Doped CdSe/CdS-Seeded Nanorods by Optically Detected Magnetic Resonance

    Joanna Dehnel, Yahel Barak, Itay Meir, Adam K. Budniak, Anjani P. Nagvenkar, Daniel R. Gamelin, and Efrat Lifshitz
  46. Using Redox Titrations to Probe the Role of Trivalent Impurity Ions in the Ferromagnetism of Colloidal EuS Nanocrystals

    Michael C. De Siena, Alexander G. Rachkov, Rachel Fainblat, Derak James, Sidney E. Creutz, Sarah L. Stoll, and Daniel R. Gamelin
  47. Spectroscopic Signatures of the B and H4 Polyatomic Nitrogen Aggregates in Nanodiamond

    Ryan A. Beck, Lixin Lu, Alessio Petrone, Amanda C. Ong, Peter J. Pauzauskie, and Xiaosong Li
  48. Quantum Point Defects for Solid-State Laser Refrigeration

    Xiaojing Xia, Anupum Pant, Abbie S. Ganas, Fedor Jelezko, and Peter J. Pauzauskie
  49. Solid-State Laser Refrigeration at GPa Pressures

    Abbie G. Ganas, Elena A. Dobretsova, Anupum Pant, Baptiste Journaux, Xiaojing Xia, R. Greg Felsted, and Peter J. Pauzauskie
  50. Seeded Growth of Nanoscale Semiconductor Tetrapods: Generality and the Role of Cation Exchange

    Enright M. J., Dou F. Y., Wu S., Rabe E. J., Monahan M., Friedfeld M. R., Schlenker C. W., Cossairt, B. M.
  51. Synthesis and Spectroscopy of Emissive, Surface-Modified, Copper-Doped Indium Phosphide Nanocrystals

    Mundy, M. E.; Eagle, F. W.; Hughes, K. E.; Gamelin, D. R.; Cossairt, B. M.
  52. Giant Band Splittings in EuS and EuSe Magnetic Semiconductor Nanocrystals

    Asuigui, D. R. C.; De Siena, M. C.; Fainblat, R.; James, D.; Gamelin, D. R.; Stoll, S. L.
  53. Measuring Equilibrium Binding at Quantum Dot Surfaces using Cyclic Voltammetry

    Henckel, D. A.; Enright, M. J.; Eslami, N. P.; Kroupa, D. M.; Gamelin, D. R.; Cossairt, B. M.
  54. Window into NV Center Kinetics via Repeated Annealing and Spatial Tracking of Thousands of Individual NV Centers

    Chakravarthi, S.; Moore, C.; Opsvig, A.; Pederson, C.; Hunt, E.; Ivanov, A.; Christen, I.; Dunham, S.; Fu, K.-M.
  55. Directed Exciton Magnetic Polaron Formation in a Single Colloidal Mn2+:CdSe/CdS Quantum Dot

    Lorenz, S.; Erickson, C.; Riesner, M.; Gamelin, D. R.; Fainblat, R.; Bacher, G.
  56. Effects of Zn2+ and Ga3+ on the Quantum Yield of Cluster-Derived InP Quantum Dots

    Friedfeld, M. R.; Stein, J. L.; Johnson, D. A.; Park, N.; Henry, N. A.; Enright, M. J.; Mocatta, D.; Cossairt, B. M.
  57. Effects of Surface Chemistry on the Photophysics of Colloidal InP Nanocrystals

    Hughes, K. E.; Stein, J. L.; Friedfeld, M. R.; Cossairt, B. M.; Gamelin, D. R.
  58. Theobromine and Direct Arylation: A Sustainable and Scalable Solution to Minimize Aggregation Caused Quenching

    Huang, Y.; Liu, Y.; Sommerville, P. J. W.; Kaminsky, W.; Ginger, D. S.; Luscombe, C. K.
  59. Organic Semiconductors at the University of Washington: Advancements in Materials Design and Synthesis and Toward Industrial Scale Production

    Huang, Y.; Elder, D. L.; Kwiram, A. L.; Jenekhe, S. A.; Jen, A. K. Y.; Dalton, L. R.; Luscombe, C. K.
  60. Spinodal Decomposition During Anion Exchange in Colloidal Mn2+-Doped CsPbX3 (X = Cl, Br) Perovskite Nanocrystals

    De Siena, M.C.; Sommer, D. E.; Creutz, S. E.; Dunham, S. T.; Gamelin, D. R.
  61. Structural Diversity in Cesium Bismuth Halide Nanocrystals

    Creutz, S. E.; Liu, H.; Kaiser, M.E.; Li, X.; Gamelin, D. R.
  62. Single-Source Vapor Deposition of Quantum-Cutting Yb3+:CsPb(Cl1−xBrx)3 and Other Complex Metal-Halide Perovskites

    Crane, M. J.; Kroupa, D. M ; Roh, J. Y.; Anderson, R. T.; Smith, M. D.; Gamelin, D. R.
  63. High Pressure, High Temperature Molecular Doping of Nanodiamond

    Crane, M. J.; Petrone, A.; Beck, R. A.; Lim, M.; Zhou, X.; Li, X.; Stroud, R. M.; Pauzauskie, P.
  64. Carboxylate Anchors Act as Exciton Reporters in 1.3 nm Indium Phosphide Nanoclusters

    Leger, J.; Friedfeld, M.; Beck, R.; Gaynor, J.; Petrone, A.; Li, X.; Cossairt, B. M.; Khalil, M.
  65. Quantum-Cutting Yb3+-Doped Perovskite Nanocrystals for Monolithic Bilayer Luminescent Solar Concentrators

    Cohen, T.; Milstein, T. J.; Kroupa, D. M.; Mackenzie, D.; Luscombe, C. K.; Gamelin, D. R.
  66. Anion Exchange and the Quantum-Cutting Energy Threshold in Ytterbium-Doped CsPb(Cl1-xBrx)3 Perovskite Nanocrystals

    Milstein, T. J.; Kluherz, K. T.; Kroupa, D. M.; Erickson, C. S.; De Yoreo, J. J.; Gamelin, D. R.
  67. Review on the Role of Polymers in Luminescent Solar Concentrators

    Li, Y.; Zhang, X.; Zhang, Y.; Dong, R.; Luscombe, C. K.
  68. Electronic Structures and Spectroscopic Signatures of Silicon-Vacancy Containing Nanodiamonds

    Petrone, A.; Beck, R. A.; Kasper, J. M.; Li, X.; Huang, Y.; Crane, M. J.; Pauzauskie, P. J.
  69. Deterministic Positioning of Colloidal Quantum Dots on Silicon Nitride Nanobeam Cavities

    Chen, Y.; Ryou, A.; Friedfeld, M. R.; Fryett, T.; Whitehead, J.; Cossairt, B. M.; Majumdar, A.
  70. Probing Surface Defects of InP Quantum Dots Using Phosphorus Ka and Kb X-ray Emission Spectroscopy

    Stein, J. L.; Holden, W. M.; Venkatesh, A.; Mundy, M. E.; Rossini, A. J.; Seidler, G. T.; Cossairt, B. M.
  71. Interplay of Mobile Ions and Injected Carriers Creates Recombination Centers in Metal Halide Perovskites Under Bias

    Birkhold, S. T.; Precht, J. T.; Liu, H.; Giridharagopal, R.; Eperon, G. E.; Schmidt-Mende, L.; Li, X.; Ginger D. S.
  72. Soluble Supercapacitors: Charge Storage in Colloidal Iron-Doped ZnO Nanocrystals

    Brozek, C. K.; Zhao, D.; Liu, H.; Li, X.; Kittilstved, K. R.; Gamelin, D. R.
  73. Effect of Surface Passivation on Nanodiamond Crystallinity

    Beck, R. A.; Petrone, A.; Kasper, J. M.; Crane, M. J.; Pauzauskie, P. J.; Li, X.
  74. A Hybrid Quantum-Classical Model of Electrostatics in Multiply Charged Quantum Dots

    Liu H.; Brozek C. K.; Sun, S.; Lingerfelt, D. B.; Gamelin, D. R.; Li, X.