publications

2026

1. Halide-site-substituting spacer creates quasi-two-dimensional perovskites for vapour-deposited light-emitting diodes

   C.-Y. Park^†, J. S. Kim^†, X. W. Chua^†, E. Yoon, Y.-K. Jung, J. Song, M.-J. Sung, H.-W. Kim, W. J. Jeong, S. E. Chang, J. Park, B.-H. Choi, S. Kim, K.-H. Lee, S. D. Stranks^*, and T.-W. Lee^*

   Nature Nanotechnology 21, 1121–1129 (2026)
2. Ultrabright Near-Infrared Lead-Free Perovskite Light-Emitting Diodes with Negligible Efficiency Roll-Off

   T. Liu^†, Q. Gu^†, X. Li^†, Y. Deng^†, Z. Yu, W. Xu, L. Pan, Z. Y. Ooi, Y. Lu, Y.-K. Jung, Y. Sun, A. Mirabelli, C. Ducati, S. D. Stranks^*, N. C. Greenham^*, and R. H. Friend^*

   Journal of the American Chemical Society 148, 30989–30997 (2026)
3. Strong-Binding Small-Molecule Passivator for Two-Dimensional Tin-Based Perovskite Field-Effect Transistors

   H. Choi^†, J. Jung^†, Y.-K. Jung^†, S. W. Lee, T. Kong, Y. Kim, Y. Reo, J. Sim, Y. Kim, J. Woo, S. Ryoo, J. Cho, Y. Zhang, S. Pecorario, B. R. Lee, H. Sirringhaus, Y.-Y. Noh, S. D. Stranks, T. Lee^*, and K. Kang^*

   Advanced Functional Materials 36, e74094 (2026)
4. Modulating Non-Radiative Recombination Related to Shallow Traps in Halide Perovskites

   D. Guo, A. R. Bowman, S. Gorgon, C. Cho, Y.-K. Jung, J. Zhao, L. Dai, J. Park, K. M. Yeom, S. Nagane, S. Macpherson, W. Xu, J. H. Noh, S. I. Seok, T. Savenije, and S. D. Stranks^*

   Applied Physics Reviews 13, 011419 (2026)

2025

1. Layer-by-layer epitaxial growth of perovskite heterostructures with tunable band offsets

   Y. Lu^†, Y.-K. Jung^†, M. Dubajic, X. Li, S. Maqbool, Q. Gu, X. Bai, Y. Boejie, X. W. Chua, A. J. Mirabelli, T. Kang, L. Sonneveld, Y. Zhang, T. A. Selby, C. Mamak, K. Tang, Z. Yu, T. Liu, M. Anaya, S. Barlow, S. R. Marder, B. Ehrler, C. Ducati, R. H. Friend^*, and S. D. Stranks^*

   Science 390, 716–721 (2025)
2. Dynamic nanodomains dictate macroscopic properties in lead halide perovskites

   M. Dubajic^*, J. R. Neilson^*, J. Klarbring, X. Liang, S. A. Bird, K. C. Rule, J. E. Auckett, T. A. Selby, G. Tumen-Ulzii, Y. Lu, Y.-K. Jung, C. Chosy, Z. Wei, Y. Boeije, M. Zimmermann, A. Pusch, L. Gu, X. Jia, Q. Wu, J. C. Trowbridge, E. M. Mozur, A. Minelli, N. Roth, K. W. P. Orr, A. M. Soufiani, S. Kahmann, I. Kabakova, J. Ding, T. Wu, G. J. Conibeer, S. P. Bremner^*, M. P. Nielsen^*, A. Walsh^*, and S. D. Stranks^*

   Nature Nanotechnology 20, 755–763 (2025) [Front Cover]
3. Electronic Consequences of the Formation of Local Tilting in Halide Perovskites

   Y.-K. Jung^*, M. Dubajic, and S. D. Stranks^*

   The Journal of Physical Chemistry Letters 16, 5862–5867 (2025)

2024

1. Highly Emissive Lanthanide-Based 0D Metal Halide Nanocrystals for Efficient Ultraviolet Photodetector

   J. W. Min^†, T. Samanta^†, A.-Y. Lee, Y.-K. Jung, N. S. M. Viswanath, Y. R. Kim, H. B. Cho, J. Y. Moon, S. H. Jang, J. H. Kim^*, and W. B. Im^*

   Small 20, 2402951 (2024)
2. Photo-ferroelectric perovskite interfaces for boosting V_OC in efficient perovskite solar cells

   G. Pica, L. Pancini, C. E. Petoukhoff, B. Vishal, F. Toniolo, C. Ding, Y.-K. Jung, M. Prato, N. Mrkyvkova, P. Siffalovic, S. De Wolf, C.-Q. Ma, F. Laquai, A. Walsh, and G. Grancini^*

   Nature Communications 15, 8753 (2024)
3. Composition dictates octahedral tilt and photostability in halide perovskites

   A. N. Iqbal, K. W. P. Orr, S. Nagane, J. Ferrer Orri, T. A. S. Doherty, Y.-K. Jung, Y.-H. Chiang, T. A. Selby, Y. Lu, A. J. Mirabelli, A. Baldwin, Z. Y. Ooi, Q. Gu, M. Anaya^*, and S. D. Stranks^*

   Advanced Materials 36, 2307508 (2024)
4. Interfacial modulation of bifunctional electrolyte additive engineering for dendrite-free and robust lithium metal anode

   M. R. Shaik, Y. Park, Y.-K. Jung, and W. B. Im^*

   Journal of Energy Chemistry 97, 120–127 (2024)
5. Reversible Oxidative p-Doping in 2D Tin Halide Perovskite Field-Effect Transistors

   Y. Kim^†, J. Woo^†, Y.-K. Jung^†, H. Ahn, I. Kim, Y. Reo, H. Lim, C. Lee, J. Lee, Y. Kim, H. Choi, M.-H. Lee, J. Lee, S. D. Stranks, H. Sirringhaus, Y.-Y. Noh^*, K. Kang^*, and T. Lee^*

   ACS Energy Letters 9, 1725–1734 (2024)

2023

1. Unlocking the Potential of Metal Halide Perovskite Thermoelectrics through Electrical Doping: A Critical Review

   Y. Kim, H. Choi, J. Lee, Y.-K. Jung, J. Jung, J. Cho, T. Lee^*, and K. Kang^*

   EcoMat 5, e12406 (2023)
2. Hydrogen Bond-Assisted Dual Passivation for Blue Perovskite Light-Emitting Diodes

   Z. Yu, X. Shen^*, X. Fan, Y.-K. Jung, W. H. Jeong, A. Dasgupta, M. Kober-Czerny, P. Caprioglio, S. H. Park, H. Choi, H. J. Snaith, S. D. Stranks, and B. R. Lee^*

   ACS Energy Letters 8, 4296–4303 (2023)
3. Metal halide thermoelectrics: prediction of high-performance CsCu₂I₃

   J. W. Park, Y.-K. Jung^*, and A. Walsh^*

   PRX Energy 2, 043004 (2023)
4. Unraveling chirality transfer mechanism by structural isomer-derived hydrogen bonding interaction in 2D chiral perovskite

   J. Son^†, S. Ma^†, Y.-K. Jung, G. Jang, H. Lee, C. U. Lee, J. Lee, S. Moon, W. Jeong, A. Walsh, and J. Moon^*

   Nature Communications 14, 3124 (2023)
5. Inhomogeneous Defect Distribution in Mixed-Polytype Metal Halide Perovskites

   Y. W. Woo, Z. Li, Y.-K. Jung, J.-S. Park, and A. Walsh

   ACS Energy Letters 8, 356–360 (2023)

2022

1. Pressure-induced non-radiative losses in halide perovskite light-emitting diodes

   Y.-K. Jung^†, M. Abdulla^†, R. H. Friend^†, S. D. Stranks^*, and A. Walsh^*

   Journal of Materials Chemistry C 10, 12560–12568 (2022)
2. Factors influencing halide vacancy transport in perovskite solar cells

   Y. W. Woo, Y.-K. Jung, G. Y. Kim, S. Kim, and A. Walsh^*

   Discovery Materials 2, 8 (2022)
3. Elucidating the origin of chiroptical activity in chiral 2D perovskites through nano-confined growth

   S. Ma, Y.-K. Jung, J. Ahn, J. Kyhm, J. Tan, H. Lee, G. Jang, C. U. Lee, A. Walsh, and J. Moon^*

   Nature Communications 13, 3259 (2022)
4. Interfacial Dipole Layer Enables High-Performance Heterojunctions for Photoelectrochemical Water Splitting

   J. Yun, J. Tan, Y.-K. Jung, W. Yang, H. Lee, S. Ma, Y. S. Park, C. U. Lee, W. Niu, J. Lee, K. Kim, S. D. Tilley, A. Walsh^*, and J. Moon^*

   ACS Energy Letters 7, 1392–1402 (2022)
5. Mixed-Dimensional Formamidinium Bismuth Iodides Featuring In-Situ Formed Type-I Band Structure for Convolution Neural Networks

   J.-M. Yang^†, J.-H. Lee^†, Y.-K. Jung, S.-Y. Kim, J.-H. Kim, S.-G. Kim, J.-H. Kim, S. Seo, D.-A. Park, J.-W. Lee, A. Walsh, J.-H. Park^*, and N.-G. Park^*

   Advanced Science 10, 2200168 (2022)

2021

1. Stabilized tilted-octahedra halide perovskites inhibit local formation of performance-limiting phases

   T. A. S. Doherty^†, S. Nagane^†, D. J. Kubicki, Y.-K. Jung, D. N. Johnstone, A. N. Iqbal, D. Guo, K. Frohna, M. Danaie, E. M. Tennyson, S. Macpherson, A. Abfalterer, M. Anaya, Y.-H. Chiang, P. Crout, F. S. Ruggeri, S. Collins, C. P. Grey, A. Walsh, P. A. Midgley, and S. D. Stranks^*

   Science 374, 1598–1605 (2021)
2. Asymmetric carrier transport in flexible interface-type memristor enables artificial synapses with sub-femtojoule energy consumption

   J.-M. Yang^†, Y.-K. Jung^†, J.-H. Lee, Y. C. Kim, S.-Y. Kim, D.-A. Park, J.-H. Kim, S.-Y. Jeong, S. Seo, I.-T. Han, J.-H. Park^*, A. Walsh^*, and N.-G. Park^*

   Nanoscale Horizons 6, 987–997 (2021)
3. Low Barrier for Exciton Self-Trapping Enables High Photoluminescence Quantum Yield in Cs₃Cu₂I₅

   Y.-K. Jung, S. Kim, Y. C. Kim, and A. Walsh^*

   The Journal of Physical Chemistry Letters 12, 8447–8452 (2021) [Front Cover]
4. Prediction of high thermoelectric performance in the low-dimensional metal halide Cs₃Cu₂I₅

   Y.-K. Jung, I. T. Han, Y. C. Kim^*, and A. Walsh^*

   npj Computational Materials 7, 51 (2021)
5. Bismuth-doping Alters Structural Phase Transitions in Methylammonium Lead Tribromide Single Crystals

   E. Jedlicka^†, J. Wang^†, J. Mutch, Y.-K. Jung, P. Went, J. Mohammed, M. Ziffer, R. Giridharagopal, A. Walsh, J.-H. Chu, and D. S. Ginger^*

   The Journal of Physical Chemistry Letters 12, 2749–2755 (2021)

2020

1. Lattice Compression Increases the Activation Barrier for Phase Segregation in Mixed-Halide Perovskites

   L. A. Muscarella, E. M. Hutter, F. Wittmann, Y. W. Woo, Y.-K. Jung, L. McGovern, J. Versluis, A. Walsh, H. J. Bakker, and B. Ehrler^*

   ACS Energy Letters 5, 3152–3158 (2020) [Supplementary Cover]
2. Thermodynamic Stabilization of Mixed-Halide Perovskites against Phase Segregation

   E. M. Hutter^*, L. A. Muscarella, F. Wittmann, J. Versluis, L. McGovern, H. J. Bakker, Y.-W. Woo, Y.-K. Jung, A. Walsh, and B. Ehrler^*

   Cell Reports Physical Science 1, 100120 (2020)
3. A density functional theory study on the interface stability between CsPbBr₃ and CuI

   E. Welch^*, Y.-K. Jung, A. Walsh, L. Scolfaro, and A. Zakhidov^*

   AIP Advances 10, 085023 (2020)
4. Performance-limiting nanoscale trap clusters at grain junctions in halide perovskites

   T. A. S. Doherty^†, A. J. Winchester^†, S. Macpherson, D. N. Johnstone, V. Pareek, E. M. Tennyson, S. Kosar, F. U. Kosasih, M. Anaya, M. Abdi-Jalebi, Z. Andaji-Garmaroudi, E. L. Wong, J. Madéo, Y.-H. Chiang, J.-S. Park, Y.-K. Jung, C. E. Petoukhoff, G. Divitini, M. K. L. Man, C. Ducati, A. Walsh, P. A. Midgley, K. M. Dani^*, and S. D. Stranks^*

   Nature 580, 360–366 (2020)

2019

1. Intrinsic doping limit and defect-assisted luminescence in Cs₄PbBr₆

   Y.-K. Jung, J. Calbo, J.-S. Park, L. D. Whalley, S. Kim, and A. Walsh^*

   Journal of Materials Chemistry A 7, 20254–20261 (2019)
2. Accumulation of Deep Traps at Grain Boundaries in Halide Perovskites

   J.-S. Park^*, J. Calbo, Y.-K. Jung, L. D. Whalley, and A. Walsh^*

   ACS Energy Letters 4, 1321–1327 (2019)
3. Low-Dimensional Formamidinium Lead Perovskite Architectures via Controllable Solvent Intercalation

   M. Shin^†, J. Kim^†, Y.-K. Jung^†, T.-p. Ruoko, A. Priimagi, A. Walsh^*, and B. Shin^*

   Journal of Materials Chemistry C 7, 3945–3951 (2019)
4. Lattice Strain Causes Non-Radiative Losses in Halide Perovskites

   T. W. Jones^†, A. Osherov^†, M. Alsari^†, M. Sponseller, B. C. Duck, Y.-K. Jung, C. Settens, F. Niroui, R. Brenes, C. V. Stan, Y. Li, M. Abdi-Jalebi, N. Tamura, J. E. Macdonald, M. Burghammer, V. Bulóvić, A. Walsh, G. J. Wilson, S. Lilliu, and S. D. Stranks^*

   Energy & Environmental Science 12, 596–606 (2019)
5. Quick-start guide for first-principles modelling of semiconductor interfaces

   J.-S. Park, Y.-K. Jung, K. T. Butler, and A. Walsh^*

   Journal of Physics: Energy 1, 016001 (2019)

2017

1. Halide Perovskite Heteroepitaxy: Bond Formation and Carrier Confinement at the PbS-CsPbBr₃ Interface

   Y.-K. Jung, K. T. Butler, and A. Walsh^*

   The Journal of Physical Chemistry C 121, 27351–27356 (2017)
2. Perspective: Theory and Simulation of Hybrid Halide Perovskites

   L. D. Whalley, J. M. Frost, Y.-K. Jung, and A. Walsh^*

   The Journal of Chemical Physics 146, 220901 (2017)
3. Trimethylsulfonium Lead Triiodide: An Air-Stable Hybrid Halide Perovskite

   A. Kaltzoglou, C. C. Stoumpos, A. G. Kontos, G. K. Manolis, K. Papadopoulos, K. G. Papadokostaki, V. Psycharis, C. C. Tang, Y.-K. Jung, A. Walsh, M. G. Kanatzidis, and P. Falaras^*

   Inorganic Chemistry 56, 6302–6309 (2017)
4. Eventual Chemical Transformation of Metals and Chalcogens into Metal Chalcogenide Nanoplates through a Surface Nucleation-Detachment-Reorganization Mechanism

   G. Park^†, J. Lee^†, S. Moon, H. Yang, A. Giri, J. Kwak, Y.-K. Jung, A. Soon^*, and U. Jeong^*

   Chemistry of Materials 29, 3219–3227 (2017)
5. Influence of Rb/Cs Cation-Exchange on Inorganic Sn Halide Perovskites: From Chemical Structure to Physical Properties

   Y.-K. Jung^†, J.-H. Lee^†, A. Walsh^*, and A. Soon^*

   Chemistry of Materials 29, 3181–3188 (2017)

2016

1. Exploring Stereographic Surface Energy Maps of Cubic Metals via an Effective Pair-Potential Approach

   S.-H. Yoo, J.-H. Lee, Y.-K. Jung, and A. Soon^*

   Physical Review B 93, 035434 (2016)