Google Scholar


At the University of Virginia

40. A. Giri, A. Z. Chen, A. Mattoni, K. Aryana, D. Zhang, X. Hu, S.-H. Lee*, J. J. Choi*, P. E. Hopkins* "Ultralow thermal conductivity of two-dimensional metal halide perovskites" Nano Letters (2020) 

39. K. A. Dagnall, B. J. Foley, S. A. Cuthriell, M. R. Alpert, X. Deng, A. Z. Chen, Z. Sun, M. C. Gupta, K. Xiao, S.-H. Lee*, Y.-Z. Ma*, J. J. Choi* "Relationship between the Nature of Monovalent Cations and Charge Recombination in Metal Halide Perovskites" ACS Applied Energy Materials, 3, 1298-1304 (2020)

38. A. Z. Chen, J. J. Choi* "Crystallographic orientation and layer impurities in two-dimensional metal halide perovskite thin films" Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, 38, 010801 (2020)

37. X. Hu, D. Zhang, T. Chen, A. Z. Chen, E. N. Holmgren, Q. Zhang, D. M. Pajerowski, M. Yoon, G. Xu, J. J, Choi*, S.-H. Lee* "Crystal structures and rotational dynamics of a two-dimensional metal halide perovskite (OA)2PbI4" The Journal of Chemical Physics, 152, 014703 (2020)

36. A. Z. Chen, M. Shiu, X. Deng, M. Mahmoud, D. Zhang, B. J. Foley, S.-H. Lee*, G. Giri*, J. J. Choi* "Understanding the formation of vertical orientation in two-dimensional metal halide perovskite thin films" Chemistry of Materials, 31, 1336-1343 (2019)

35. S. Guthrie, L. Huelsenbeck, A. Salahi, W. Varhue, N. Smith, X. Yu, L. U. Yoon, J. J. Choi*, N. Swami*, G. Giri* "Crystallization of high aspect ratio HKUST-1 thin films in nanoconfined channels for selective small molecule uptake" Nanoscale Advances, 1, 2946-2952 (2019)

34. G. C. Wilkes, X. Deng, J. J. Choi*, M. C. Gupta* "Laser Annealing of TiO2 Electron-Transporting Layer in Perovskite Solar Cells" ACS Applied Materials & Interfaces, 10, 41312–4131 (2018)

33. B. J. Foley*, S. A. Cuthriell, S. Yazdi, A. Z. Chen, S. M. Guthrie, X. Deng, G. Giri, S.-H. Lee, K. Xiao, B. Doughty, Y.-Z. Ma*, J. J. Choi* “Impact of Crystallographic Orientation Disorders on Electronic Heterogeneities in Metal Halide Perovskite Thin Films” Nano letters, 18, 6271-6278 (2018) (*corresponding authors)

32. Z. Sun, X. Deng, J. J.Choi*, M. C. Gupta* "Silicon Surface Passivation by Laser Processing a Sol–Gel TiOx Thin Film" ACS Applied Energy Materials, 1, 5474–5481 (2018) (*corresponding authors)

31. M. R. Alpert, J. S. Niezgoda, A. Z. Chen, B. J. Foley, S. Cuthriell, L. U. Yoon and J. J. Choi* “Colloidal Nanocrystals as a Platform for Rapid Screening of Charge Trap Passivating Molecules for Metal Halide Perovskite Thin Films” Chemistry of Materials, 30, 4515-4526 (2018) (*corresponding author)

30. A. Z. Chen, M. Shiu, J. H. Ma, M. R. Alpert, D. Zhang, B. J. Foley, D.-M. Smilgies, S.-H. Lee and J. J. Choi* “Origin of vertical orientation in two-dimensional metal halide perovskites and its effect on photovoltaic performance” Nature Communications, 9, 1336 (2018) (*corresponding author)

29. X. Deng, G. C. Wilkes, A. Z. Chen, N. Prasad, M. C. Gupta*, J. J. Choi* “Room Temperature Processing of TiOx Electron Transporting Layer for Perovskite Solar Cells” The Journal of Physical Chemistry Letters, 8, 3206 – 3210 (2017). (*corresponding author)

28. T. Chen, W.-L. Chen, B. J. Foley, J. Lee, J. P. C. Ruff, J. Y. P. Ko, C. M. Brown, L. W. Harriger, D. Zhang, C. Park, M. Yoon, Y.-M. Chang, J. J. Choi*, and S.-H. Lee* “Origin of Long Lifetime of Band-Edge Charge Carriers in Organic-Inorganic Lead Iodide Perovskites” Proceedings of the National Academy of Sciences, 114, 7519 - 7524 (2017) (*corresponding author)

27. J. S. Niezgoda, B. J. Foley, A. Z. Chen and J. J. Choi* “Improved Charge Collection in Highly Efficient CsPbBrI2 Solar Cells with Light-Induced Dealloying” ACS Energy Letters, 2, 1043 – 1049 (2017) (*corresponding author)

26. A. Z. Chen, B. J. Foley, J. H. Ma, M. R. Alpert, J. S. Niezgoda, and J. J. Choi* “Crystallographic Orientation Propagation in Metal Halide Perovskite Thin Films” Journal of Materials Chemistry A, 5, 7796 – 7800 (2017) (*corresponding author)

25. B. J. Foley, J. Girard, B. A. Sorenson, A. Z. Chen, J. S. Niezgoda, M. R. Alpert, A. F. Harper, D.-M. Smilgies, P. Clancy, W. A. Saidi, and J. J. Choi* “Controlling Nucleation, Growth, and Orientation of Metal Halide Perovskite Thin Films with Rationally Selected Additives” Journal of Materials Chemistry A, 5, 113 - 123 (2017) (inside front cover) (*corresponding author)

24. T. Chen, B. J. Foley, C. Park, C. M. Brown, L. W. Harriger, J. Lee, J. Ruff, M. Yoon, J. J. Choi*, and S.-H. Lee* “Entropy Driven Structural Transition and Kinetic Trapping in Formamidinium Lead Iodide Perovskite” Science Advances, 2, e1601650 (2016) (*corresponding authors)

23. W. A. Saidi* and J. J. Choi “Nature of the Cubic to Tetragonal Phase Transition in Methylammonium Lead Iodide Perovskite” The Journal of Chemical Physics, 145, 144702 (2016) (*corresponding author)

22. J. J. Choi* and S. J. L. Billinge,* "Perovskites at the nanoscale: from fundamendtals to applications", Nanoscale, 8, 6206 (2016) (*corresponding authors)

21. A. Slonopas, B. J. Foley, J. J. Choi,* M. C. Gupta,* “Charge Transport in Bulk CH3NH3PbI3 Perovskite”, Journal of Applied Physics, 119, 074101 (2016) (*corresponding authors)

20. T. Chen,§ B. J. Foley, § B. Ipek, M. Tyagi, J. R. D. Copley, C. M. Brown, J. J. Choi,* S.-H. Lee,* "Rotational Dynamics of Organic Cations in CH3NH3PbI3 Perovskite", Physical Chemistry Chemical Physics, 17, 31278 (2015). (§co-first authors, *corresponding authors)

19. B. J. Foley, D. L. Marlowe, K. Sun, W. A. Saidi, L. Scudiero,* M. C. Gupta,* J. J. Choi,* “Temperature Dependent Energy Levels of Methylammonium Lead Iodide Perovskite” Applied Physics Letters, 106, 243904 (2015) (*corresponding authors)


Prior to the University of Virginia

18. J. J. Choi,* X. Yang,* Z. M. Norman, S. J. L. Billinge, J. S. Owen, "Structure of Methylammonium Lead Iodide Within Mesoporous Titanium Dioxide: Active Material in High-Performance Perovskite Solar Cells" Nano Letters, 14, 127-133 (2014) (*equal contribution)

17. B. R. Hyun, J. J. Choi, K. L. Seyler, T. Hanrath, F. W. Wise, "Heterojunction PbS Nanocrystal Solar Cells with Oxide Charge-Transport Layers" ACS Nano, 7, 10938-10947 (2013)

16. N. C. Anderson, M. P. Hendricks, J. J. Choi, J. S. Owen, "Ligand Exchange and the Stoichiometry of Metal Chalcogenide Nanocrystals: Spectroscopic Observation of Facile Metal-Carboxylate Displacement and Binding" Journal of the American Chemical Society, 135, 18536-18548 (2013)

15. M. T. Trinh, M. Y. Sfeir, J. J. Choi, J. S. Owen, X. Zhu, "A Hot Electron-Hole Pair Breaks the Symmetry of a Semiconductor Quantum Dot" Nano Letters, 13, 6091-6097 (2013)

14. J. J. Choi, K. Bian, W. J. Baumgardner, D. M. Smilgies, T. Hanrath, “Interface-induced Nucleation, Orientational Alignment and Symmetry Transformations in Nanocube Superlattices” Nano Letters, 12, 4791-4798 (2012)

13. L. Sun,* J. J. Choi,* D. Stachnik, A. C. Bartnik, B. R. Hyun, G. G. Malliaras, T. Hanrath, F. W. Wise, "Bright infrared quantum-dot light-emitting diodes through inter-dot spacing control" Nature Nanotechnology, 7, 396-373. (2012) (*equal contribution)

12. C. R. Bealing, W. J. Baumgardner, J. J. Choi, T. Hanrath, R. G. Hennig, "Predicting Nanocrystal Shape through Consideration of Surface-Ligand Interactions" ACS Nano, 6, 2118-2127 (2012)

11. Y. F. Lim, J. J. Choi, T. Hanrath, "Facile Synthesis of Colloidal CuO Nanocrystals for Light-Harvesting Applications" Journal of Nanomaterials, Article ID 393160 (2012)

10. W. J. Baumgardner, J. J. Choi, K. Bian, L. F. Kourkoutis, D. M. Smilgies, M. O. Thompson, T. Hanrath, "Pulsed Laser Annealing of Thin Films of Self-Assembled Nanocrystals" ACS Nano, 5, 7010-7019 (2011)

9. J. J. Choi,* W. N. Wenger*, R. S. Hoffman*, Y. F. Lim, J. Luria, J. Jasieniak, J. A. Marohn, T. Hanrath, “Solution Processed Nanocrystal Quantum Dot Tandem Solar Cells” Advanced Materials, 23, 3144-3148 (2011) (*equal contribution)

8. K. Bian,* J. J. Choi,* A. Prakash, P. Clancy, D. M. Smilgies, T. Hanrath, “Shape-anisotropy Driven Symmetry Transformations in Nanocrystal Superlattice Polymorphs” ACS Nano, 5, 2815–2823 (2011) (*equal contribution)

7. J. J. Choi, C. R. Bealing, K. Bian, K. J. Hughes, W. Zhang, D. M. Smilgies, R. G. Hennig, J. R. Engstrom, T. Hanrath, “Controlling Nanocrystal Superlattice Symmetry and Shape-anisotropic Interactions Through Variable Ligand Surface Coverage” Journal of the American Chemical Society, 133, 3131-3138 (2011)

6. W. J. Baumgardner, J. J. Choi, Y. F. Lim, T. Hanrath, “SnSe Nanocrystals: Synthesis, Structure, Optical Properties, and Surface Chemistry” Journal of American Chemical Society, 132, 9519-9521 (2010)

5. J. J. Choi, J. Luria, B. R. Hyun, A. C. Bartnik, L. Sun, Y. F. Lim, J. A. Marohn, F. W. Wise, T. Hanrath, “Photogenerated Exciton Dissociation in Highly Coupled Lead Salt Nanocrystal Arrays” Nano Letters, 10, 1805-1811 (2010)

4. B. R. Hyun, A. C. Bartnik, J. K. Lee, H. Imoto, L. F. Sun, J. J. Choi, Y. Chujo, T. Hanrath, C. K. Ober, F. W. Wise, “Role of Solvent Dielectric Properties on Charge Transfer from PbS Nanocrystals Molecules” Nano Letters, 10, 318-323 (2010)

3. J. J. Choi, Y. F. Lim, M. B. Santiago-Berrios, M. Oh, B. R. Hyun, L. Sun, A .C. Bartnik, A. Goedhart, G. G. Malliaras, H. D. Abruña, F. W. Wise and T. Hanrath, “PbSe Nanocrystal Excitonic Solar Cells” Nano Letters, 9, 3749-3755 (2009)

2. T. Hanrath, J. J. Choi, and D. M. Smilgies, “Structure/Processing Relationships of Highly Ordered Lead Salt Nanocrystal Superlattices” ACS Nano, 3, 2975-2988 (2009)

1. T. Hanrath, D. Veldman, J. J. Choi, C. G. Christova, M. M. Wienk, and R. A. J. Janssen, “PbSe Nanocrystal Network Formation during Pyridine Ligand Displacement” ACS Applied Materials and Interfaces, 1, 244–250 (2009)