Honors and Awards

2025 Outstanding Teaching Award, Yonsei University

2025 POSCO Science Fellowship, POSCO TJ Park Foundation

2023 Outstanding Teaching Award, Yonsei University

2015 Global Ph.D. Fellowship, NRF

Invited/Contributed Talks

34. Tuning Charge and Exciton Dynamics in Perylene Bisimide Supramolecular Aggregates via Dielectric Control

Invited Talk, 2025 137th KCS General Meeting & Exhibition, ICC Jeju, Jeju, Republic of Korea, 2026.04.16

33. The Rubrene Controversy: Planar, Twisted, or Both?

Invited Talk, 2026 Exciton Dynamics Workshop: From Singlet Generation to Triplet Harvesting, Yonsei University, Seoul, Republic of Korea, 2026.02.10

32. Ultrafast Intersystem Crossing in Triplet-Emitting Metal Nanoclusters

Invited Talk, 2026 The 37th OSK General Meeting & Exhibition, BEXCO, Busan, Republic of Korea, 2026.02.05

31. Singlet Fission I: Triplet Pair Formation

Invited Talk, The 2nd G-LAMP Symposium on Femtosecond Spectroscopy, Glouceter Hotel, Cheongju, Republic of Korea, 2026.01.13

30. Janus-Type Photophysics of Rotational Isomers in a Diphenylanthracene Dimer

Invited Talk, Pacifichem 2025, Hawaii Convention Center, Honolulu, USA, 2025.12.16

29. Janus-Type Photophysics of Directly-Linked Acene Dimers

Invited Talk, 2025 136th KCS General Meeting & Exhibition, Changwon Exhibition Convention Center, Changwon, Republic of Korea, 2025.10.23

28. Ultrafast Intersystem Crossing in Triplet-Emitting Metal Nanoclusters

Invited Talk, The 9th Asian and Oceanian Spectroscopy Conference (AOSC 2025), Goa, India, 2025.09.24

27. Controlling Spin Evolution of Triplet Pairs in Pentacene Dimers

Invited Talk, The Inaugural Meeting for the Spin Science Society in Korea, Sungkyunkwan University, Suwon, Republic of Korea, 2025.08.25

26. Janus-Type Photophysics of Rotational Isomers in a Diphenylanthracene Dimer

Invited Talk, ACS Fall 2025 Global Virtual Symposium (Ultrafast Dynamics of Electronic Excited States in the Condensed Phase), USA, 2025.08.17

25. Janus-Type Photophysics of Directly-Linked Acene Dimers

Invited Talk (Rising Star Lecture), The 32nd International Conference on Photochemistry (ICP 2025), Eurograss Aachen, Aachen, Germany, 2025.07.15

24. Dielectric Controlled Charge Separation and Recombination Dynamics in Perylene Bisimide Supramolecular Aggregates

Invited Talk, Workshop on Advanced Organic and Inorganic Semiconductors and Their Functional Properties, Yonsei University, Seoul, Republic of Korea, 2025.06.27

23. A Brief Introduction to Ultrafast Laser Spectroscopy and Its Application to Understanding Mechanisms of Various Light-Induced Phenomena

Invited Talk, The 2nd G-LAMP Workshop, Yonsei University, Seoul, Republic of Korea, 2025.06.19

22. A Cautionary Tale of Singlet Fission

Invited Talk, The 1st G-LAMP symposium on Femtosecond Spectroscopy, Chungbuk National University, Cheongju, Republic of Korea, 2025.02.18

21. Janus-Type Photophysics of Directly-Linked Acene Dimers

Invited Talk, Frontiers in Experimental/Theoretical Chemistry for Functional Materials, Yonsei University, Seoul, Republic of Korea, 2025.02.14

20. Janus-Type Photophysics of Directly-Linked Acene Dimers

Invited Talk, The 13th Asian Conference on Ultrafast Phenomena (ACUP 2025), National Taiwan University, Taipei, Taiwan, 2025.01.06

19. A Cautionary Tale of Singlet Fission

Invited Talk, The 1st Hiroshima University–Yonsei University Joint Symposium, Hiroshima University (Higashi-Hiroshima Campus), Hiroshima, Japan, 2024.09.20

18. Peculiar Photophysics of 2,2’-Bianthracene: Symmetry-Breaking Charge Transfer, Triplet Formation Dynamics, and Their Connection to Conformational Diversity

Invited Talk, SPIE Optics + Photonics: Physical Chemistry of Semiconductor Materials and Interfaces XXIII, San Diego Convention Center, USA, 2024.08.18

17. Organic Photophysics Governed by Conformational Heterogeneity

Department Seminar, Sungkyunkwan University, Suwon, Republic of Korea, 2024.10.10

16. Excited-State Photophysics of Organic Semiconducting Materials Governed by Conformational Heterogeneity

Department Seminar, POSTECH, Pohang, Republic of Korea, 2024.05.30

15. Excited-State Photophysics of Organic Semiconducting Materials Governed by Conformational Heterogeneity

Department Seminar, Sogang University, Seoul, Republic of Korea, 2024.05.29

14. Conformational Heterogeneity: A Governing Factor in the Photophysics of Organic Semiconductors

Department Seminar, DGIST, Daegu, Republic of Korea, 2024.05.28

13. Peculiar Photophysics of 2,2’-Bianthracene:  Symmetry-Breaking Charge Transfer, Triplet Formation Dynamics,  and Their Connection to Conformational Heterogeneity

Invited Talk, The 24th East Asia Workshop on Chemical Dynamics (EAWCD 2024), Institute of Atomic and Molecular Sciences, Taipei, Taiwan, 2024.03.19

12. Peculiar Photophysics of 2,2’-Bianthracene:  Symmetry-Breaking Charge Transfer, Triplet Formation Dynamics,  and Their Connection to Conformational Heterogeneity

Invited Talk, Exciton Dynamics: Light-Matter Interaction at the Nano and Molecular Scale, Yonsei University, Seoul, Republic of Korea, 2024.01.12

11. Heterogeneous Singlet Fission in Covalently Linked Pentacene Dimers: From Triplet Pair Formation to Triplet Dissociation

Invited Talk, Yonsei-RSC Joint Symposium in Molecular and Materials Sciences, Yonsei University, Seoul, Republic of Korea, 2023.10.24

10. Heterogeneous Singlet Fission in Covalently Linked Pentacene Dimers: From Triplet Pair Formation to Recombination

Contributed Talk, The 31st International Conference on Photochemistry (ICP 2023), Sapporo Park Hotel, Sapporo, Japan, 2023.07.24

9. Heterogeneous Singlet Fission in Covalently Linked Pentacene Dimers: From Triplet Pair Formation to Triplet Dissociation

Invited Talk, Advanced Laser Technologies and Their Applications 2023, KAL Hotel, Jeju, Republic of Korea, 2023.05.01-04

8. A Cautionary Tale of Singlet Fission

Invited Talk, 2023 Spring Meeting of the Polymer Society of Korea, Daejeon Convention Center, Daejeon, Republic of Korea, 2023.04.05-07

7. A Cautionary Tale of Singlet Fission: Regarding the Importance of Designing Spectroscopic Experiments

Invited Talk, The 12th Asian Conference on Ultrafast Phenomena, Nanyang Technological University, Singapore, 2023.01.04-06

6. A Cautionary Tale of Singlet Fission: Regarding the Importance of Designing Spectroscopic Experiments

Department Seminar, National University of Singapore, Singapore, 2023.01.03

5. A Cautionary Tale of Singlet Fission: Regarding the Importance of Designing Spectroscopic Experiments

Invited Talk, 2022 Annual Meeting of the Korean Society of Photoscience, KENTECH, Naju, Republic of Korea, 2022.12.08

4. A Cautionary Tale of Singlet Fission: Regarding the Importance of Designing Spectroscopic Experiments

Invited Talk, 138th Winter Symposium of the Physical Chemistry Division of the Korean Chemical Society, KAIST, Daejeon, Republic of Korea, 2022.12.02

3. A Cautionary Tale of Singlet Fission: Importance of Designing Spectroscopic Experiments and Beyond

Department Seminar, Yonsei University Mirae Campus, Wonju, Republic of Korea, 2022.11.21

2. A Cautionary Tale of Singlet Fission: Importance of Designing Spectroscopic Experiments and Beyond

Department Seminar, Incheon National University, Incheon, Republic of Korea, 2022.11.01

1. A Cautionary Tale of Singlet Fission: Importance of Designing Spectroscopic Experiments and Beyond

Department Seminar, Yonsei University, Seoul, Republic of Korea, 2022.09.01