Publications

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26. T. Lee*, M. Song, J. Baek, Y.-N. Jung, G. Choi, "Advancing Quantum Dot Optoelectronics: Simulation and Machine Learning for Performance Optimization," Chem. Phys. Rev., Accepted for publication (2026). (SCIE, IF 6.2)

25. Y. Kim, T. Lee, B. Chun, J. Kim, J. Kwak*, "Improved Efficiency and Operational Lifetime in InP-Based Quantum-Dot Light-Emitting Diodes Using a ZnO:ZnS Nanocomposite Electron Transport Layer," ACS Photon., 12 (7), 3840 (2025). (SCIE, IF 6.7)

24. D.-H. Kim‡, T. Lee‡, S. C. Kim‡, K. Kang, H.-G. Kwon, K. Kim, H. B. Jeon*, J. Kwak*, S.-W. Kim*, "ZnSTe/ZnSe/ZnS Reverse Type-I Blue Emitting Quantum Dot Diodes," ACS Appl. Nano. Mater., 8 (11), 5721 (2025). (SCIE, IF 5.3)

23. T. Yoo, B. Chun, D. Hahm, W. K. Bae, T. Lee*, J. Kwak*, "Investigation of Excess Charge Carriers and Optimization of InP Quantum-Dot Light-Emitting Diodes Using Self-Assembled Monolayers," Org. Electron., 138, 107190 (2025). (SCIE, IF 2.7)

22. H. Seo, S. Z. Hassan, Y. J. Kim, T. Lee, G. W. Baek, C. So, D. S. Chung*, J. Kwak*, "Direct Photolithography of Colloidal InP-Based Quantum Dots Utilizing the Photoligation Method," Chem. Mater., 37 (4), 1424 (2025). (SCIE, IF 6.8)

21. Y. Kim, T. Lee, D. Shin, W. K. Bae, J. Kwak*, "Cd-Free Quantum-Dot Light-Emitting Diodes through Nanometer-Thick ZnS/ZnMgO Double-Electron-Transport Layers," ACS Appl. Nano Mater., 8 (1), 307 (2025). (SCIE, IF 5.3)

20. K. Lee, G. Park, B. Chun, T. Yoo, D. Shin, W. K. Bae, T. Lee*, J. Kwak*, "High-Performance InP Quantum Dot Light-Emitting Diodes with a NiOx Nanoparticle-Embedded Hybrid Emissive Layer," ACS Appl. Mater. Interfaces, 17 (1), 1451 (2025). (SCIE, IF 8.5)

19. T. Lee, M. Kim, B. Chun, G. Park, S. Yim, S. Yu, J. Kwak*, "Recent Advances in Light Outcoupling from Quantum-Dot Light-Emitting Diodes," ACS Photon., 11 (12), 5050 (2024). (SCIE, IF 7.0)

18. T. Lee, M. Lee, K. Kim, H. Lee, S. Y. Yoon, H. Yang, S. Yu, J. Kwak*, “Angle-Independent Top-Emitting Quantum-Dot Light-Emitting Diodes Using a Solution-Processed Subwavelength Scattering–Capping Layer” Adv. Opt. Mater., 12 (12), 2302509 (2024). (SCIE, IF 8.0)

17. T. Lee, M. Lee, H. Seo, M. Kim, B. Chun, J. Kwak*, “Top-Emitting Quantum Dot Light-Emitting Diodes: Theory, Optimization, and Application”, Small Methods, 8 (2), 2300266 (2024). (SCIE, IF 10.7)

16. H. G. Kwon‡, T. Lee‡, K. Kim, D. H. Kim, H. Seo, O. P. Kwon, J. Kwak*, S. W. Kim*, “Enhanced Stability and Highly Bright Electroluminescence of AgInZnS/CdS/ZnS Quantum Dots through Complete Isolation of Core and Shell via a CdS Interlayer”, Small, 20 (2), 2304592 (2024). (SCIE, IF 13.0)

15. G. W. Baek, H. Seo, T. Lee, D. Hahm, W. K. Bae, J. Kwak*, "Highly Bright and Efficient Flexible Quantum Dot Light-Emitting Diodes on Metal-Coated PEN Substrate," J. Flex. Print. Electron. 2 (2), 243 (2023). (KCI)

14. G. W. Baek, S.G. Seo, D. Hahm, Y. J. Kim, K. Kim, T. Lee, J. Kim, W. K. Bae, S. H. Jin*, J. Kwak*, “Optimum Design Configuration of Thin-Film Transistors and Quantum-Dot Light-Emitting Diodes for Active-Matrix Displays”, Adv. Mater. 35 (48), 2304717 (2023). (SCIE, IF 29.4)

13. K. An, C. Kim, S. Kim, T. Lee, D. Shin, J. Lim, D. Hahm, W. K. Bae, J. Y. Kim, J. Kwak, J. Kim*, K.-T. Kang*, “Randomly Disassembled Nanostructure for Wide Angle Light Extraction of Top-Emitting Quantum Dot Light-Emitting Diodes” Small, 19 (20), 2206133 (2023). (SCIE, IF 13.3)

12. T. Lee‡, G. W. Baek‡, G. Park, D. Shin, W. K. Bae, J. Kwak* “Bright, Flexible, and Waterproof Top-Emitting InP Quantum Dot Light-Emitting Diodes on Al Foil”, IEEE JSTQE, 30 (3), 2000107 (2023). (SCIE, IF 4.9)

11. J. Kim, A. Hong, D. Hahm, H. Lee, W. K. Bae, T. Lee*, J. Kwak*, "Realization of Highly Efficient InP Quantum Dot Light‐Emitting Diodes through In‐Depth Investigation of Exciton‐Harvesting Layers", Adv. Opt. Mater. 11 (8), 2300088 (2023). (SCIE, IF 9.0)

10. K. Kim, D. Hahm, G. W. Baek, T. Lee, D. Shin, J. Lim, W. K. Bae, and J. Kwak*, “Effect of Excess Carriers on the Degradation of InP-Based Quantum-Dot Light-Emitting Diodes” ACS Appl. Electron. Mater. 4 (12), 6229 (2022). (SCIE, IF 4.5)

9. T. Lee‡, B. J, Kim‡, H. Lee, D. Hahm, W. K. Bae, J. Lim, J. Kwak* “Bright and stable quantum dot light‐emitting diodes”, Adv. Mater, 34 (4), 2106276 (2022). (SCIE, IF 32.086) 

8. J. Kim, T. Lee, J. Kwak, and C. Lee, “Photovoltaic characterizing method of degradation of polymer light-emitting diodes based on ideality factor and density of states”, Appl. Phys. Lett. 119, 123301 (2021). (SCIE, IF 3.8)

7. J. Kim‡, T. Lee‡, J. Kwak, C. Lee*, “Analysis of the effect of solvents on the performance of solution-processed organic light-emitting diodes based on Fourier-transform infrared spectroscopy”, Org. Electron. 97, 106264 (2021). (SCIE, IF 3.7)

6. Y. Park, B. Klockner, D. Hahm, J. Kim, T. Lee, J. Kim, W. K. Bae, R. Zentel, and J. Kwak, “Origin of enhanced efficiency and stability in diblock copolymer-grafted Cd-free quantum dot-based light-emitting diodes”, J. Mater. Chem. C 9 (32), 10398 (2021). (SCIE, IF 7.4)

5. D. Hahm, J. Park, I. Jeong, S. Rhee, T. Lee, C. Lee, S. Chung, W. K. Bae, S. Lee, “Surface engineered colloidal quantum dots for complete green process” ACS Appl. Mater. Interfaces 12 (9), 10563 (2020). (SCIE, IF 8.76)

4. T. Lee, D. Hahm, K. Kim, W. K. Bae, C. Lee*, J. Kwak*, “Highly Efficient and Bright Inverted Top-Emitting InP Quantum Dot Light-Emitting Diodes Introducing a Hole-Suppressing Interlayer”, Small 15 (50), 1905162 (2019). (SCIE, IF 11.46)

3. H. Shin, J. Roh, J. Song, H. Roh, C. M. Kang, T. Lee, G. Park, K. An, J. Y. Kim, H. Kim, J. Kwak, C. Lee, and H. Kim, “Highly stable organic transistors on paper enabled by a simple and universal surface planarization method”, Adv. Mater. Interfaces 6 (8), 1801731 (2019). (SCIE, IF 4.9)

2. I. Cho, H. Jung, B. G. Jung, D. Hahm, J. H. Chang, T. Lee, K. Char, D. C. Lee, J. Lim, C. Lee, J. Cho, and W. K. Bae, "Ligand-asymmetric janus quantum dots for efficient blue-quantum dot light-emitting diodes", ACS App. Mater. Interfaces 10 (26), 22453 (2018). (SCIE, IF 8.76)

1. J. Roh, T. Lee, C.-M. Kang, J. Kwak, P. Lang, G. Horowitz, H. Kim, and C. Lee, "Injection-modulated polarity conversion by charge carrier density control via a self-assembled monolayer for all-solution-processed organic field-effect transistors", Sci. Rep. 7 (1), 46365 (2017). (SCIE, IF 4.0)

23. "Revolutionary display technology: QLEDs based on microcavity structure," T. Lee, 대한금속재료학회, 디스플레이용 발광 소재 및 소자의 광/전기적 특성 분석 심포지엄 (Oct. 30), 광주 김대중컨벤션센터, Gwangju, Korea, Oct. 29-31, 2025 [Oral] [Invited]

22. "Enhanced Performance of Quantum Dot Light-emitting Diodes through Versatile Applications of Nanoparticles," J. Kwak, T. Lee, K. Lee, Y. Kim, SPIE Optics + Photonics 2025, 13588-41 (Aug. 5), San Diego, CA, USA, Aug. 3-7, 2025 [Oral] [Invited]

21. "Top-Emitting QLEDs for Next-Generation Displays," T. Lee, 제 14회 한국 LED광전자학회, 발광디스플레이 4-2 (QD) (Aug. 29), 성균관대학교, Suwon, Korea, Aug. 27-29, 2025 [Oral] [Invited]

20. "Systematic Charge Balance Modulation for High-Performance Quantum Dot Light-Emitting Diodes," T. Lee, K. Lee, T. Yoo, J. Kwak, The 25th International Meeting on Information Display (IMID 2025), YLC session (Aug. 21), BEXCO, Busan, Korea, Aug. 19-22, 2025 [Oral] [Invited] 

19. "Top-Emitting Quantum Dot Light-Emitting Diodes for Next-Generation Displays," T. Lee, Korea Flexible & Printed Electronics Society (KFPE 2024), General session S7 (Oct. 17), Lahan Hotel, Jeonju, Korea, Oct. 16-18, 2024 [Oral] [Invited] 

18. "Substrate Modification of Flexible Quantum Dot Light-Emitting Diodes," T. Lee, J. Kwak, The 24th International Meeting on Information Display (IMID 2024), A25-4 (Aug. 22), International Convention Center Jeju, Korea, Aug. 20–23, 2024 [Oral]

17. "Highly Flexible InP-Based Quantum Dot Light-Emitting Diodes Fabricated on Heat-Dissipating Al-Coated PEN Substrate," H. Seo, G. W. Baek, T. Lee, J. Kwak, SID Display Week 2024, P-158 (May 16), San Jose McEnery Convention Center, USA, May 12-17, 2024 [Poster]

16. "Realization of Bright and Flexible InP Quantum Dot Light-Emitting Diodes by Proper Substrate Engineering," T. Lee, J. Kwak, International Conference on Display Technology 2024 (ICDT 2024), EMQ32.4 (Apr. 2), Binhu Hefei International Convention and Exhibition Center, China, Mar. 31-Apr. 3, 2024 [Oral]

15. "Advancing brightness in colloidal quantum dot-based light-emitting diodes beyond boundaries of displays," T. Lee, B. J. Kim, H. Lee, D. Hahm, W. K. Bae, J. Lim, J. Kwak, SPIE Photonics West 2024, 12906-6 (Jan. 29), The Moscone Center,San Francisco, CA, USA, Jan. 27-Feb. 1, 2024

14. "High Performance of Quantum Dot Light-Emitting Diodes Using Enhanced Device Structure and Integration Method," J. Kwak, G. W. Baek, T. Lee, M. Lee, The 30th International Display Workshops (IDW 23), MEET4-3 (Dec. 7), TOKI MESSE Niigata Convention Center, Niigata, Japan, December 6–8, 2023.

13. "Enhanced Interfaces for Higher Efficiency and Lifetime of Quantum Dot Light-Emitting Diodes," J. Kwak, G. W. Baek, T. Lee, 2023 Materials Research Society Fall Meeting & Exhibit, EL10.08.15 (Nov. 29), Boston, USA, Nov. 26–Dec. 1, 2023 [Poster]

12. "Enhanced Light Extraction in Quantum Dot Light-Emitting Diodes," T. Lee, J. Kwak, The 23rd International Meeting on Information Display (IMID 2023), A57-3 (Aug. 25), BEXCO, Busan, Korea, Aug. 22–25, 2023 [Oral]

11. "Bright and Efficient InP Quantum Dot Light-Emitting Diodes with Exciton-Harvesting Layers," T. Lee, J. Kim, J. Kwak 2023 KIEEME Annual Summer Conference, 알펜시아리조트, 평창, June. 21–23, 2023 [Oral] [Invited]

10. "Improving Efficiency and Brightness in Colloidal Quantum Dot Light-Emitting Diodes," T. Lee, J. Kim, J. Kwak, Display Week 2023, Los Angeles, CA, USA, May 21–26, 2023

9. "Enhancing Light Out Coupling Efficiency of Top Emitting ZnSeTe Quantum Dot Light Emitting Diodes by Employing Capping Layer," M. Lee, T. Lee, J. Kwak, The 22nd International Meeting on Information Display (IMID 2022), A49-5 (Aug. 26), BEXCO, Busan, Korea, Aug. 23-26, 2022 [Oral]

8. "Highly Bright Quantum Dot Light-Emitting Diodes with Top-Emission Structure," T. Lee, J. Kwak, The 22nd International Meeting on Information Display (IMID 2022), F30-7 (Aug. 25), BEXCO, Busan, Korea, Aug. 23-26, 2022 [Oral] [Awardee-Invited]

7. "Device design and fabrication process of quantum dot light-emitting diodes for full-color displays and lighting sources," T. Lee, J. Kwak, SPIE Optics + Photonics 2022, 12208-26 (Aug. 22), San Diego, CA, USA, Aug. 21-25, 2022

6. "Top-Emission Quantum-Dot Light-Emitting Diodes with High Operational Stability and Brightness," T. Lee, B. J. Kim, J. Lim, J. Kwak, 2022 International Conference on Display Technology (ICDT 2022), 31.3 (Jul. 19), Fuzhou, China & Online, Jul. 16-19, 2022

5. "Highly Bright Top-Emitting Quantum Dot Light-Emitting Diodes Fabricated on Si Substrate," T. Lee, B. J. Kim, H. Lee, D. Hahm, W. K. Bae, J. Kwak, 2022 MRS Spring Meeting & Exhibit, EQ08.03 (May 9), Hawaii Convention Center, Honolulu, Hawai, May 8-13, 2022 [Oral]

4. "Effect of Solvents on the Performance of Solution-Processed Organic Light-Emitting Diodes," T. Lee, J. Kim, C. Lee, J. Kwak, 2021 MRS Fall Meeting & Exhibition , EQ06.04.18 (Nov. 30), Hynes Convention Center, Boston, USA, Nov. 29-Dec.2, 2021 [Poster]

3. "The Enhancement in the Performance of QLEDs Through Proper Modification of the Charge Transport Layer," T. Lee, B. J. Kim, J. Lim, J. Kwak, 제28회 한국반도체학술대회, PH-002 (Jan. 29), Virtual Conference, Jan. 25-29, 2021. [Poster]

2. "Top-Emitting Quantum Dot Light-Emitting Diodes Based on InP Quantum Dots," T. Lee, D. Hahm, K. Kim, J. Kwak, 2019 Materials Research Society (MRS) Fall Meeting & Exhibit, EN10.19.02 (Dec. 6), Boston, USA, Dec. 1-6, 2019. [Oral]

1. "Top Emitting InP Quantum Dot Light Emitting Diodes with Hole Injection Interlayer," T. Lee, D. Hahm, K. Kim, W. K. Bae, J. Kwak, The 19th International Meeting on Information Display (IMID 2019), I36-3 (Aug. 29), HICO, Gyeongju, Korea, Aug. 27-30 2019. [Oral]