57. S. Ahn+, Y.-H. Kim+ (equally contributed), S. Kim, J. Park, N. Li, J.-M. Heo, J. S. Kim, D. J. Kim, B. H. Hong, J. Y. Lee, T.-W. Lee,

“Synergistic molecular engineering of hole-injecting conducting polymers overcomes luminescence quenching in perovskite light-emitting diodes”

Adv. Opt. Mater. adom202100646 (2021). SCI Impact Factor = 8.286

56. S. Park+, Y.-H. Kim+ (equally contributed), S. Kang, D. Lim, J. Park, D. Jang, S. Choi, J. Kim, S. Han, T.-W. Lee, S. Park,

“Production of C, N alternating 2D materials using covalent modification and their electroluminescence performance”

Small Sci. 2000042 (2021). SCI Impact Factor = pending

55. J. Hao, Y.-H. Kim, S. N. Habisreutinger, S. P. Harvey, E. M. Miller, Z. Song, Y. Yan, J. M. Luther, J. L. Blackburn,

“Low-energy room-temperature optical switching in mixed-dimensionality nanoscale perovskite heterojunctions”,

Sci. Adv. 7, eabf1959 (2021). SCI Impact Factor = 13.116

54. C. Zou, C. Zhang, Y.-H. Kim, L. Y. Lin, J. M. Luther,

“The path to enlightenment: progress and opportunities in high efficiency halide perovskite light emitting devices”,

ACS Photon. 8, 386-404 (2021). SCI Impact Factor = 6.880

53. S.-J. Kwon, S. Ahn, J.-M. Heo, D. J. Kim, J. Park, H.-R. Lee, S. Kim, H. Zhou, M.-H. Park, Y.-H. Kim, W. Lee, J.-Y. Sun, B. H. Hong, T.-W. Lee,

“Chemically Robust Indium Tin Oxide/Graphene Anode for Efficient Perovskite Light-Emitting Diodes”,

ACS Appl. Mater. Interfaces 13, 9074-9080 (2021). SCI Impact Factor = 8.758

52. Y.-H. Kim, Y. Zhai, E. A. Gaulding, S. N. Habisreutinger, T. Moot, B. A. Rosales, H. Lu, A. Hazarika, R. Brunecky, L. M. Wheeler, J. J. Berry, M. C. Beard, J. M. Luther,

“Strategies to achieve high circularly polarized luminescence from colloidal organic–inorganic hybrid perovskite nanocrystals”

ACS Nano 14, 7, 8816–8825 (2020). SCI Impact Factor = 14.588

Highlighted in Science

“Polarized perovskite luminescence” 369, 640-641 (2020)

51. Y.-H. Kim, T.‐H. Han, C. Lee, Y.‐H. Kim, Y. Yang, T.‐W. Lee,

“Molecular‐Scale Strategies to Achieve High Efficiency and Low Efficiency Roll‐off in Simplified Solution‐Processed Organic Light‐Emitting Diodes”

Adv. Funct. Mater. 30, 2005292 (2020). SCI Impact Factor = 16.836

50. D. Jang, H. Ahn, J. Oh, D. Lim, C. H. Kim, S. Choi, Y.‐H. Kim, J. Park, K. Y. Jang, R. J. Yoo, T.‐W. Lee, J. Kim, Y. J. Lee, D. W. Kim, S. Park,

“Production of metal‐free C, N alternating nanoplatelets and their In Vivo fluorescence imaging performance without labeling”,

Adv. Funct. Mater. 30, 2004800 (2020). SCI Impact Factor = 16.836

49.  H. Lee, J. Park, S. Kim, S.‐C. Lee, Y.‐H. Kim, T.‐W. Lee,

“Perovskite emitters as a platform material for down‐conversion applications”,

Adv. Mater. Technol. 5, 2000091 (2020). SCI Impact Factor = 5.969

48.  E. A. Gaulding, X. Chen, Y. Yang, S. P. Harvey, B. To, Y.-H. Kim, M. C. Beard, P. C. Sercel, J. M. Luther,

“Embedding PbS quantum dots (QDs) in Pb-halide perovskite matrices: QD surface chemistry and antisolvent effects on QD dispersion and confinement properties”,

ACS Materials Lett. 2, 1464–1472 (2020). SCI Impact Factor = pending

47.  J.-M. Park, J. Park, Y.-H. Kim, H. Zhou, Y. Lee, S. H. Jo, J. Ma, T.-W. Lee, J.-Y. Sun,

“Aromatic nonpolar organogels for efficient and stable perovskite green emitters”,

Nature Commun. 11, 4638 (2020). SCI Impact Factor = 12.121

46. H. Kang, S.-R. Choi, Y.-H. Kim, J. S. Kim, S. Kim, B.-S. An, C.-W. Yang, J.-M. Myoung, T.-W. Lee, J.-G. Kim, J. H. Cho,

“Electroplated silver–nickel core–shell nanowire network electrodes for highly efficient perovskite nanoparticle light-emitting diodes”,

ACS Appl. Mater. Interfaces 12, 39479-39486 (2020). SCI Impact Factor = 8.758

45.  H. Kim, J. S. Kim, J.-M. Heo, M. Pei, I.-H. Park, Z. Liu, H. J. Yun, M.-H. Park, S.-H. Jeong, Y.-H. Kim, J.-W. Park, E. Oveisi, S. Nagane, A. Sadhanala, L. Zhang, J. J. Kweon, S. K. Lee, H. Yang, H. M. Jang, R. H. Friend, K. P. Loh, M. K. Nazeeruddin, N.-G. Park, T.-W. Lee,

“Proton-transfer-induced 3D/2D hybrid perovskites suppress ion migration and reduce luminance overshoot”,

Nature Commun. 11, 3378 (2020). SCI Impact Factor = 12.121

44. S. Ahn, T.‐H. Han, K. Maleski, J. Song, Y.‐H. Kim, M.‐H. Park, H. Zhou, S. Yoo, Y. Gogotsi, T.‐W. Lee,

“A 2D titanium carbide MXene flexible electrode for high‐efficiency light‐emitting diodes”,

Adv. Mater. 2000919 (2020). SCI Impact Factor = 27.398

43. H.‐L. Park, H. Kim, D. Lim, H. Zhou, Y.‐H. Kim, Y. Lee, S. Park, T.‐W. Lee,

“Retina‐Inspired Carbon Nitride‐Based Photonic Synapses for Selective Detection of UV Light”,

Adv. Mater. 1906899 (2020). SCI Impact Factor = 27.398

42. Y.-H. Kim, J. S. Kim, T.-W. Lee,

“Strategies to Improve Luminescence Efficiency of Metal-Halide Perovskites and Light-Emitting Diodes”

Adv. Mater. 1804595 (2019). (back cover image) SCI Impact Factor = 27.398

41. S.‐I. Kim, Y. Lee, M.‐H. Park, G.‐T. Go, Y.‐H. Kim, W. Xu, H.‐D. Lee, H. Kim, D.‐G. Seo, W. Lee, T.‐W. Lee,

“Dimensionality dependent plasticity in halide perovskite artificial synapses for neuromorphic computing”,

Adv. Electron. Mater. 1900008 (2019). SCI Impact Factor = 6.312

40. H.‐D. Lee, H. Kim, H. Cho, W. Cha, Y. Hong, Y.‐H. Kim, A. Sadhanala, V. Venugopalan, J. S. Kim, J. W. Choi, C.‐L. Lee, D. Kim, H. Yang, R. H. Friend, T.‐W. Lee,

“Efficient Ruddlesden–Popper perovskite light‐emitting diodes with randomly oriented nanocrystals”,

Adv. Funct. Mater. 1807535 (2019). SCI Impact Factor = 16.836

39. S. Ahn, M.-H. Park, S.‐H. Jeong, Y.‐H. Kim, J. Park, S. Kim, H. Kim, H. Cho, C. Wolf, M. Pei, H. Yang, T.‐W. Lee,

“Fine control of perovskite crystallization and reducing luminescence quenching using self‐doped polyaniline hole injection layer for efficient perovskite light‐emitting diodes”,

Adv. Funct. Mater. 1807535 (2019). SCI Impact Factor = 16.836

38. L. Martinez-Sarti, S. H. Jo, Y.-H. Kim, M. Sessolo, F. Palazon, T.-W. Lee, H. Bolink,

“Low-dimensional Iodide Perovskite Nanocrystals Enables Efficient Red Emission”,

Nanoscale 11, 12793-12797 (2019). SCI impact Factor = 6.895

37. Y.-H. Kim, S. Kim, S. H. Jo, T.-W. Lee,

“Metal Halide Perovskites: From Crystal Formations to Light-Emitting Diode Applications”

Small Methods 2, 1800093 (2018). SCI Impact Factor = 12.13

36. Y.-H. Kim, C. Wolf, H. Kim, T.-W. Lee,

“Charge Carrier Recombination and Ion Migration in Metal-Halide Perovskite Nanoparticle Films for Efficient Light-Emitting Diodes”

Nano Energy 52, 329-335 (2018). SCI Impact Factor = 16.602

35. S.-J. Kwon+, T.-H. Han+, Y.-H. Kim+ (equally contributed), T. Ahmed, H.-K. Seo, H. Kim, D.J. Kim, W. Xu, B.H. Hong, J.-X. Zhu, T.-W. Lee,

“Solution-Processed n-Type Graphene Doping for Cathode in Inverted Polymer Light-Emitting Diodes”

ACS Appl. Mater. Interfaces 10, 5, 4874–4881 (2018). SCI Impact Factor = 8.758

34. H. Cho, J. S. Kim, C. Wolf, Y.-H. Kim, H. J. Yun, S.-H. Jeong, A. Sadhanala, V. Venugopalan, J. W. Choi, C.-L. Lee, R. H. Friend, T.-W. Lee,

“High-Efficiency Polycrystalline Perovskite Light-Emitting Diodes based on Mixed Cations”,

ACS Nano 12, 3, 2883-2892 (2018). SCI Impact Factor = 14.588

33. H. Cho, J. S. Kim, Y.-H. Kim, T.-W. Lee,

“Influence of A-site cation on the thermal stability of metal halide perovskite polycrystalline films”,

Journal of Information Display 19, 53–60 (2018). SCI Impact Factor = 3.7

32. H. Cho, Y.-H. Kim, C. Wolf, H.-D. Lee, T.-W. Lee,

“Improving the Stability of Metal Halide Perovskite Materials and Light-Emitting Diodes”,

Adv. Mater. 1704587 (2018). SCI Impact Factor = 27.398

Citation = 235 (Google Scholar)

31. Y.-H. Kim, G.-H. Lee, Y.-T. Kim, C. Wolf, H. J. Yun, W. Kwon, C. G. Park, T.-W. Lee,

“High Efficiency Perovskite Light-Emitting Diodes of Ligand-Engineered Colloidal Formamidinium Lead Bromide Nanoparticles”

Nano Energy 38, 51 (2017). SCI Impact Factor = 16.602

Citation = 150 (Google Scholar)

30. Y.-H. Kim, C. Wolf, Y.-T. Kim, H. Cho, W. Kwon, S. Do, A. Sadhanala, C. G. Park, S.-W. Rhee, S. H. Im, R. H. Friend, T.-W. Lee,

“Highly Efficient Light-Emitting Diodes of Colloidal Metal-Halide Perovskite Nanocrystals Beyond Quantum Size”

ACS Nano 11, 7, 6586–6593 (2017). SCI Impact Factor = 14.588

Citation = 224 (Google Scholar)

29. M.-H. Park, S.-H. Jeong, H.-K. Seo, C. Wolf, Y.-H. Kim, H. Kim, J. Byun, H. Cho, T.-W. Lee,

“Unravelling Additive-based Nanocrystal Pinning for High Efficiency Organic-Inorganic Halide Perovskite Light-Emitting Diodes”

Nano Energy 42, 157–165 (2017). SCI Impact Factor = 16.602

28. C. Wolf, H. Cho, Y.-H. Kim, T.-W. Lee,

“Polaronic Charge Carrier–Lattice Interactions in Lead Halide Perovskites”

ChemSusChem 10, 19, 3705-3711 (2017). SCI Impact Factor = 7.962

27. O. F. N. Okello, Y.-T. Kim, H.-D. Lee, Y.-H. Kim, T.-W. Lee, C. G. Park,

“Correlation between Small-Molecule Dependent Nanomorphology and Device Performance of Organic Light-Emitting Diodes with Ternary Blend Emitting Layer”

Journal of Materials Chemistry C 5, 37, 9761-9769 (2017). SCI Impact Factor = 7.059

26. S. Kumar, J. Jagielski, N. Kallikounis, Y.-H. Kim, C. Wolf, F. Jenny, T. Tian, C. J. Hofer, Y.-C. Chiu, W. J. Stark, T.-W. Lee, C.-J. Shih,

“Ultrapure Green Light-Emitting Diodes Using Two-Dimensional Formamidinium Perovskites: Achieving Recommendation 2020 Color Coordinates”

Nano Lett. 17, 9, 5277-5284 (2017). SCI Impact Factor = 11.238

Citation = 142 (Google Scholar)

25. Y.-T. Kim, J.-B. Seol, Y.-H. Kim, H.-J. Ahn, C.-G. Park,

“Correlation of controllable aggregation with light emitting property in polymer blend optoelectronic devices”

Small 13, 1602874 (2017). SCI Impact Factor = 11.459

24. S.-H. Jeong, S.-H. Woo, T.-H. Han, M.-H. Park, H. Cho, Y.-H. Kim, H. Cho, H. Kim, S. Yoo, T.-W. Lee,

“Universal high work function flexible anode for simplified ITO-Free organic and perovskite light-emitting diodes with ultra-high efficiency”

NPG Asia Materials 9, e411 (2017). SCI Impact Factor = 8.131

23. H.-K. Seo, H. Kim, J. Lee, M.-H. Park, S.-H. Jeong, Y.-H. Kim, S.-J. Kwon, T.-H. Han, S. Yoo, T.-W. Lee,

“Efficient Flexible Organic/Inorganic Hybrid Perovskite Light-Emitting Diodes Based on Graphene Anode”

Adv. Mater. 29, 1605587 (2017). SCI Impact Factor = 27.398

Citation = 142 (Google Scholar)

22. Y.-H. Kim, H. Cho, T.-W. Lee.

“Metal-Halide Perovskite Light Emitters”.

Proc. Natl. Acad. Sci. U. S. A. 113, 11694–11702 (2016). SCI Impact Factor = 9.412

Citation = 384 (Google Scholar)

21. Y.-H. Kim, C. Wolf, H. Cho, S.-H. Jeong, T.-W. Lee,

“Highly Efficient, Simplified, Solution-Processed Thermally Activated Delayed-Fluorescence Organic Light-Emitting Diodes”,

Adv. Mater. 28, 734-741 (2016). SCI Impact Factor = 27.398

Citation = 108 (Google Scholar)

20. Y.-H. Kim, H. Cho, J. H. Heo, S. H. Im, T.-W. Lee,

“Effects of thermal treatment on organic-inorganic hybrid perovskite films and luminous efficiency of light-emitting diodes”,

Cur. Appl. Phys. 16, 1069-1074 (2016). SCI Impact Factor = 2.281

19. S. Do+, W. Kwon+, Y.-H. Kim+ (equally contributed), S. R. Kang, T. Lee, T.-W. Lee, S.-W. Rhee,

“N,S-Induced Electronic States of Carbon Nanodots Toward White Electroluminescence”,

Adv. Opt. Mater. 4, 276-284 (2016). SCI Impact Factor = 8.286

18. W. Kwon+, Y.-H. Kim+ (equally contributed), J.-H. Kim, T. Lee, S. Do, Y. Park, M. S. Jeong, T.-W. Lee, S.-W. Rhee,

“High Color-Purity Green, Orange, and Red Light-Emitting Didoes Based on Chemically Functionalized Graphene Quantum Dots”,

Sci. Rep. 6, 24205 (2016). SCI Impact Factor = 3.998

17. W. Xu, H. Cho, Y.-H. Kim, Y.-T. Kim, C. Wolf, C.-G. Park, T.-W. Lee,

“Organometal Halide Perovskite Artificial Synapsis”,

Adv. Mater. 28, 5916-5922 (2016). SCI Impact Factor = 27.398

Citation = 183 (Google Scholar)

16. H.-K. Seo, M.-H. Park, Y.-H. Kim, S.-J. Kwon, S.-H. Jeong, T.-W. Lee,

“Laminated Graphene Films for Flexible Transparent Thin Film Encapsulation”,

ACS Appl. Mater. Interfaces 8, 14725-14731 (2016). SCI Impact Factor = 8.758

15. T.-H. Han, Y.-H. Kim, M. H. Kim, W. Song, T.-W. Lee,

“Synergetic Influences of Mixed-Host Emitting Layer Structures and Hole Injection Layers on Efficiency and Lifetime of Simplified Phosphorescent Organic Light-Emitting Diodes”,

ACS Appl. Mater. Interfaces 8, 6154-6163 (2016). SCI Impact Factor = 8.758

14. H. Cho, S.-H. Jeong, S.-Y. Min, T.-H. Han, M.-H. Park, Y.-H. Kim, W. Xu, T.-W. Lee,

“Scalable Noninvasive Organic Fiber Lithography for Large-Area Optoelectronics”,

Adv. Opt. Mater. 4, 967-972 (2016). SCI Impact Factor = 8.286

13. K.-G. Lim, S. Ahn, Y.-H. Kim, Y. B. Qi, T.-W. Lee,

“Universal energy level tailoring of self-organized hole extraction layers in organic solar cells and organic–inorganic hybrid perovskite solar cells”,

Energy Environ. Sci. 9, 932-939 (2016). SCI Impact Factor = 30.289

Citation = 184 (Google Scholar)

12. Y.-H. Kim, H. Cho, J. H. Heo, T.-S. Kim, N. Myoung, C.-L. Lee, S. H. Im, T.-W. Lee,

“Multi-colored Organic/Inorganic Hybrid Perovskite Light-Emitting Diodes”,

Adv. Mater. 27, 1248-1254 (2015). (inside back cover) SCI Impact Factor = 27.398

Citation = 1012 (Google Scholar)

11. Y.-T. Kim+, Y.-H. Kim+ (equally contributed), J.-B. Seol, T.-W. Lee, C.-G. Park,

“Temperature-dependent nanomorphology–performance relations in binary iridium complex blend films for organic light emitting diodes”,

Phys. Chem. Chem. Phys. 17, 21555-21563 (2015). SCI Impact Factor = 3.567

10. H. Cho, S.-H. Jeong, M.-H. Park, Y.-H. Kim, C. Wolf, C.-L. Lee, J. H. Heo, A. Sadhanala, N. S. Myoung, S. Yoo, S. H. Im, R. H. Friend, T.-W. Lee,

“Overcoming the electroluminescence efficiency limitations of perovskite light-emitting diodes”,

Science 350, 1222-1225 (2015). SCI Impact Factor = 41.845

Citation = 1,904 (Google Scholar)

9. S.-Y. Min, Y.-H. Kim, C. Wolf, T.-W. Lee,

“Synergistic Effects of Doping and Thermal Treatment on Organic Semiconducting Nanowires”,

ACS Appl. Mater. Interfaces 7, 18909-18914 (2015). SCI Impact Factor = 8.758

8. M. H. Park, T.-H. Han, Y.-H. Kim, S.-H. Jeong, Y. Lee, H. Cho, T.-W. Lee,

“Flexible Organic Light-Emitting Diodes for Solid-State Lighting”,

J. Photon. Energy 5, 053599 (2015). SCI Impact Factor = 2.287

7. H. Cho, S. D. Kim, T.-H. Han, I. Song, J.-W. Byun, Y.-H. Kim, S. Kwon, S.-H. Bae, H. C. Choi, J.-H. Ahn, T.-W. Lee,

“Improvement of work function and hole injection efficiency of graphene anode using CHF3 plasma treatment”,

2D Mater. 2, 014002 (2015). SCI Impact Factor = 7.373

6. T. Giridhar+, W. Cho+, Y.-H. Kim+ (equally contributed), T.-H. Han, T.-W. Lee, S.-H. Jin,

“A systematic identification of efficiency enrichment between thiazole and benzothiazole based yellow iridium(III) complexes”,

J. Mater. Chem. C 2, 9398-9405 (2014). SCI Impact Factor = 7.059

5. W. Kwon+, Y.-H. Kim+ (equally contributed), C.-L. Lee, M. Lee, H. C. Choi, T.-W. Lee, S.-W. Rhee,

“Electroluminescence from Graphene Quantum Dots Prepared by Amidative Cutting of Tattered Graphite”,

Nano Lett. 14, 1306-1311 (2014). SCI Impact Factor = 11.238

Citation = 219 (Google Scholar)

4. Y.-H. Kim, T.-H. Han, H. Cho, S.-Y. Min, C.-L. Lee, T.-W. Lee,

“Polyethylene Imine as an Ideal Interlayer for Highly Efficient Inverted Polymer Light-Emitting Diodes”,

Adv. Funct. Mater. 24, 3808-3814 (2014). SCI Impact Factor = 16.836

Citation = 177 (Google Scholar)

3. S. J. Lee, Y.-H. Kim, J. K. Kim, H. Baik, J. H. Park, J. Lee, J. Nam, J. H. Park, T.-W. Lee, G.-R. Yi, J. H. Cho,

“A Roll-to-roll Welding Process for Planarized Silver Nanowire Electrodes”,

Nanoscale 6, 11828-11834 (2014). SCI Impact Factor = 6.895

Citation = 144 (Google Scholar)

2. J. G. Park, D. Y. Lee, Y.-H. Kim, J. K. Kim, J. H. Lee, J. H. Park, T.-W. Lee, J. H. Cho,

“Flexible and Transparent Metallic Grid Electrodes Prepared by Evaporative Assembly”,

ACS Appl. Mater. Interfaces 6, 12380-12387 (2014). SCI Impact Factor = 8.758

Citation = 119 (Google Scholar)

1.  W. Xu, T.-S. Lim, H.-K. Seo, S.-Y. Min, H. Cho, M.-H. Park, Y.-H. Kim, T.-W. Lee,

“N-doped Graphene Field-Effect Transistors with Enhanced Electron Mobility and Air-stability”,

Small 10, 1999-2005 (2014). SCI Impact Factor = 11.459