Journals

Preprints 

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2024

43. Solvent-induced structural transformation in a one-dimensional coordination polymer

Kangwoo Jin , Nohyoon Park, Yongdeok Ahn , Daeha Seo, Dohyun Moon*, Jooyoung Sung * and Jinhee Park * 

Nanoscale 2024, 16, 4571-4577

2023

42. Direct Imaging of Carrier Funneling in a Dielectric Engineered 2D Semiconductor

Nicolas Gauriot, Arjun Ashoka, Juhwan Lim, Soo Teck See, Jooyoung Sung, Akshay Rao*

ACS Nano 2024, 18, 1, 264-271 

41. Local Symmetry Breaking Drives Picosecond Spin Domain Formation in Polycrystalline Halide Perovskite Films 

Arjun Ashoka, Satyawan Nagane, Nives Strkalj, Ashishi Sharma, Bart Roose, Alexander J. Sneyd, Jooyoung Sung, Judith L. MacManus-Briscoll, Samuel D. Stranks, Sascha Feldmann*, Akshay Rao*

Nature Materials 2023, 22, 977-984

2022

40. π-Stacks of Radical-Anionic Naphthalenediimides in a Metal-Organic Framework 

Bongkyeom Kim, Juhyung Lee, Ying-Pin Chen, Xue-Qian Wu, Joongoo Kang, Hwakyeung Jeong, Sang-Eun Bae, Jian-Rong Li, Jooyoung Sung, Jinhee Park* 

Science Advances 2022, 8, 51,  eade138

39. Direct observation of ultrafast singlet exciton fission in three dimensions 

Arjun Ashoka, Nicolas Gauriot, Aswathy V. Girija, Nipun Sawhney, Alexander J. Sneyd, Kenji Watanabe, Takashi Taniguchi, Jooyoung Sung, Christoph Schnedermann, Akshay Rao*

Nature Communications 2022, 13, 5963

38. Tuning the Coherent Propagation of Organic Exciton-Polaritons through Dark State Delocalization 

Raj Pandya, Arjun Ashoka, Kyriacos Georgiou, Jooyoung Sung, Rahul Jayaprakash, Scott Renken, Lizhi Gai, Zhen Shen, Akshay Rao, Andrew Musser* 

Advanced Science 2022, 9, 2105569 

37. Ultrafast Exciton Transport at Early Times in Quantum Dot Solids

Zhilong Zhang, Jooyoung Sung*, Daniel Toolan, Sanyang Han, Raj Pandya, Michael Weir, James Xiao, Simon Dowland, Mengxia Liu, Anthony Ryan, Richard Jones, Shujuan Huang, Akshay Rao* 

Nature Materials 2022, 21, 533-539

36. Colloidal Metal-Halide Perovskite Nanoplatelets: Thickness-Controlled Synthesis, Properties and Application in Light-Emitting Diodes (Invited Review)

Clara Otero-Martínez†, Junzhi Ye†, Jooyoung Sung†, Isabel Pastoriza-Santos, Jorge Pérez-Juste, Zhiguo Xia, Akshay Rao, Robert L. Z. Hoye, Lakshminarayana Polavarapu* (†Contributed equally) 

Advanced Materials 2022, 34, 2107105

35. Nanoscale Chemical Heterogeneity Dominates the Optoelectronic Response over Local Electronic Disorder and Strain in Alloyed Perovskite Solar Cells 

Kyle Frohna, Miguel Anaya,* Stuart Macpherson, Jooyoung Sung, Tiarnan AS Doherty, Yu-Hsien Chiang, Andrew J Winchester, Keshav M Dani, Akshay Rao, Samuel D Stranks* 

Nature Nanotechnology  2022, 17, 190-196

2021

34. Microcavity-Like Exciton-Polaritons can be the Primary Photoexcitation in Bare Organic Semiconductors

Raj Pandya, Richard Chen, Qifei Gu, Jooyoung Sung, Christoph Schnedermann, Oluwafemi S Ojambati, Rohit Chikkaraddy, Jeffrey Gorman, Gianni Jacucci, Olimpia D Onelli, Tom Willhammar, Duncan N Johnstone, Sean M Collins, Paul A Midgley, Florian Auras, Tomi Baikie, Rahul Jayaprakash, Fabrice Mathevet, Richard Soucek, Matthew Du, Antonios M. Alvertis, Arjun Ashoka, Silvia Vignolini, David G Lidzey, Jeremy J Baumberg, Richard H Friend, Thierry Barisien, Laurent Legrand, Alex W Chin, Joel Yuen-Zhou, Semion K Saikin, Philipp Kukura, Andrew J Musser, Akshay Rao* 

Nature Communications 2021, 12, 6519

33. Non-Equilibrium Carrier Transport in Strongly Coupled Quantum Dot Solids and Heterostructures

Mengxia Liu, Sachin Dev Verma, Zhilong Zhang, Jooyoung Sung*, Akshay Rao*

Nano Letters 2021, 21, (21), 8945-8951

32. Efficient Energy Transport in an Organic Semiconductor Mediated by Transient Exciton Delocalization 

Alexander J. Sneyd, Tomoya Fukui, David Palecek, Suryoday Prodhan, Isabella Wagner, Yifan Zhang, Jooyoung Sung, Zahra Andaji-Garmaroudi, Liam R. MacFarlane, J. Diego Garcia-Hernandez, Linjun Wang, George R. Whittell, Justin M. Hodgkiss, Kai Chen, David Beljonne*, Ian Manners*, Richard H. Friend, Akshay Rao* 

Science Advances  2021, 7, (32), eabh4232  

31. Exciton Diffusion in Highly-Ordered One Dimensional Conjugated Polymers: Effects of Back-Bone Torsion, Electronic Symmetry, Phonons and Annihilation

Raj Pandya*, Antonios M Alvertis, Qifei Gu, Jooyoung Sung, Laurent Legrand, David Kréher, Thierry Barisien, Alex W Chin, Christoph Schnedermann, Akshay Rao* 

The Journal of Physical Chemistry Letters 2021, 12, (14), 3669-3678 

30. Strong Electronic Coupling-Induced Ultrafast Charge Transfer in Donor–Pyrene–Acceptor Systems 

Jumi Park, Jooyoung Sung, Dongho Kim* 

The Journal of Physical Chemistry Letters 2021, 12, (9), 2226-2231 

2020

29. Directed Energy Transfer from Monolayer WS2 to Near-Infrared Emitting PbS–CdS Quantum Dots

Arelo OA Tanoh, Nicolas Gauriot, Géraud Delport, James Xiao, Raj Pandya, Jooyoung Sung, Jesse Allardice, Zhaojun Li, Cyan A Williams, Alan Baldwin, Samuel D Stranks, Akshay Rao*  

ACS nano 2020, 14, (11), 15374-15384 

28. Enhanced Ballistic Transport of Charge Carriers in Alloyed and K-Passivated Alloyed Perovskite Thin Films 

Jooyoung Sung*, Stuart Macpherson, Akshay Rao* 

The Journal of Physical Chemistry Letters 2020, 11, (14), 5402-5406 

27. Femtosecond Transient Absorption Microscopy of Singlet Exciton Motion in Side-Chain Engineered Perylene-Diimide Thin Films 

Raj Pandya, Richard YS Chen, Qifei Gu, Jeffrey Gorman, Florian Auras, Jooyoung Sung, Richard Friend, Philipp Kukura, Christoph Schnedermann*, Akshay Rao* 

The Journal of Physical Chemistry A 2020, 124, (13), 2721-2730 

26. Long-Range Ballistic Propagation of Carriers in Methylammonium Lead Iodide Perovskite Thin Films 

Jooyoung Sung, Christoph Schnedermann, Limeng Ni, Aditya Sadhanala, Richard YS Chen, Changsoon Cho, Lee Priest, Jong Min Lim, Hyun-Kyung Kim, Bartomeu Monserrat, Philipp Kukura*, Akshay Rao* 

Nature Physics 2020, 16 (2), 171-176 

2019

25. Ultrafast Tracking of Exciton and Charge Carrier Transport in Optoelectronic Materials on the Nanometer Scale

Christoph Schnedermann*†, Jooyoung Sung†, Raj Pandya, Sachin Dev Verma, Richard YS Chen, Nicolas Gauriot, Hope M Bretscher, Philipp Kukura, Akshay Rao*  (†Contributed equally) 

The Journal of Physical Chemistry Letters 2019, 10, (21), 6727-6733 

2017

24. Guest-Induced Modulation of the Energy Transfer Process in Porphyrin-Based Artificial Light Harvesting Dendrimers

Dajeong Yim, Jooyoung Sung, Serom Kim, Juwon Oh, Hongsik Yoon, Young Mo Sung, Dongho Kim*, Woo-Dong Jang*  

Journal of the American Chemical Society 2017, 139, (2), 993-1002 

2016

23. Modulation of Symmetry-Breaking Intramolecular Charge-Transfer Dynamics Assisted by Pendant Side Chains in π-Linkers in Quadrupolar Diketopyrrolopyrrole Derivatives

Woojae Kim, Jooyoung Sung, Marek Grzybowski, Daniel T Gryko*, Dongho Kim* 

The Journal of Physical Chemistry Letters 2016, 7, (15), 3060-3066

22. A Directly Fused Subporphyrin Dimer with a Wavelike Structure 

Yasuhiro Okuda, Eiji Tsurumaki, Juwon Oh, Jooyoung Sung, Dongho Kim*, Atsuhiro Osuka* 

Angewandte Chemie International Edition 2016, 128, (32), 9358-9361 

21. Direct Observation of Excimer-Mediated Intramolecular Electron Transfer in a Cofacially-Stacked Perylene Bisimide Pair 

Jooyoung Sung, Agnieszka Nowak-Król, Felix Schlosser, Benjamin Fimmel, Woojae Kim, Dongho Kim*, Frank Würthner* 

Journal of the American Chemical Society 2016,138, (29), 9029-9032 

20. meso‐to‐meso Sulfide‐ and Disulfide‐Bridged Subporphyrin Dimers 

Graeme Copley, Daiki Shimizu, Juwon Oh, Jooyoung Sung, Ko Furukawa, Dongho Kim*, Atsuhiro Osuka* 

European Journal of Organic Chemistry 2016, 2016 (11), 1977-1981

19. Stable Boron Peroxides with a Subporphyrinato Ligand 

Eiji Tsurumaki, Jooyoung Sung, Dongho Kim*, Atsuhiro Osuka*

 Angewandte Chemie International Edition 2016, 128, (7), 2642-2645 

2015

18. The Role of Linkers in the Excited-state Dynamic Planarization Processes of Macrocyclic Oligothiophene 12-mers

Woojae Kim, Jooyoung Sung, Kyu Hyung Park, Hideyuki Shimizu, Mika Imamura, Minwoo Han, Eunji Sim*, Masahiko Iyoda*, Dongho Kim* 

The Journal of Physical Chemistry Letters 2015, 6, (21), 4444-4450 

17. Direct Observation of Ultrafast Coherent Exciton Dynamics in Helical π-Stacks of Self-assembled Perylene Bisimides 

Jooyoung Sung, Pyosang Kim, Benjamin Fimmel, Frank Würthner*, Dongho Kim* 

Nature Communications 2015, 6, (1), 1-7 

16. Covalently Functionalized Graphene Composites: Mechanistic Study of Interfacial Fluorescence Quenching and Recovery Processes 

Hae-Jin Kim, Jooyoung Sung, Heejae Chung, Yung Ji Choi, Dong Young Kim, Dongho Kim* 

The Journal of Physical Chemistry C 2015, 119, (21), 11327-11336 

15. Subporphyrinato Boron (III) Hydrides 

Eiji Tsurumaki, Jooyoung Sung, Dongho Kim*, Atsuhiro Osuka* 

Journal of the American Chemical Society 2015,137 (3), 1056-1059 

2014

14. Controlled Positioning of Metal Nanoparticles in an Organic Light-Emitting Device for Enhanced Quantum Efficiency

Hyangki Sung, Jongcheon Lee, Kyuhee Han, Jong-Kwon Lee, Jooyoung Sung, Dongho Kim, Mansoo Choi*, Changsoon Kim*

Organic Electronics 2014, 15, (2), 491-499  

13. Unique Ultrafast Energy Transfer in a Series of Phenylene-Bridged Subporphyrin–Porphyrin Hybrids 

Juwon Oh, Jooyoung Sung, Masaaki Kitano, Yasuhide Inokuma, Atsuhiro Osuka*, Dongho Kim* 

Chemical Communications 2014, 50, (72), 10424-10426  

2013

12. meso–meso‐Linked Subporphyrin Dimer

Masaaki Kitano, Jooyoung Sung, Kyu Hyung Park, Hideki Yorimitsu, Dongho Kim*, Atsuhiro Osuka* 

Chemistry–A European Journal 2013, 19, (49), 16523-16527   

11. S2 Fluorescence Dynamics of meso‐Aryl‐Substituted Subporphyrins 

Jooyoung Sung, Pyosang Kim, Shun Saga, Shin‐ya Hayashi, Atsuhiro Osuka*, Dongho Kim*  

Angewandte Chemie International Edition 2013, 52, (48), 12632-12635

10. Subporphyrins with an Axial B-C Bond 

Shun Saga, Shin‐ya Hayashi, Kouta Yoshida, Eiji Tsurumaki, Pyosang Kim, Young Mo Sung, Jooyoung Sung, Takayuki Tanaka, Dongho Kim*, Atsuhiro Osuka*

Chemistry–A European Journal 2013, 19, (34), 11158-11161 

9. Solvent‐Induced Crystalline‐State Emission and Multichromism of a Bent π‐Surface System Composed of Dibenzocyclooctatetraene Units 

Tomohiko Nishiuchi, Keita Tanaka, Yoshiyuki Kuwatani, Jooyoung Sung, Tohru Nishinaga, Dongho Kim*, Masahiko Iyoda* 

Chemistry–A European Journal 2013, 19, (13), 4110-4116

8. β-(Ethynylbenzoic acid)-Substituted Push–Pull Porphyrins: DSSC Dyes Prepared by a Direct Palladium-Catalyzed Alkynylation Reaction

Masatoshi Ishida, Deasub Hwang, Young Bean Koo, Jooyoung Sung, Dong Young Kim, Jonathan L Sessler*, Dongho Kim* 

Chemical Communications 2013, 49, (80), 9164-9166 

7. Exciton Delocalization and Dynamics in Helical π-Stacks of Self-Assembled Perylene Bisimides 

Jong Min Lim, Pyosang Kim, Min-Chul Yoon, Jooyoung Sung, Volker Dehm, Zhijian Chen, Frank Würthner*, Dongho Kim* 

Chemical Science 2013, 4, (1), 388-397 

2012

6. Synthesis of Stable Monoporphyrinate Lanthanide(III) Complexes without Ancillary Ligands

Eui Jong Kim, Pyosang Kim, Chi-Hwa Lee, Jooyoung Sung, Hongsik Yoon, Dongho Kim*, Woo Dong Jang* 

Chemical Communication 2012, 48, 5611-561   

5. Excitation Energy Migration in Covalently Linked Perylene Bisimide Macrocycles 

Felix Schlosser, Jooyoung Sung, Pyosang Kim, Dongho Kim*, Frank Würthner* 

Chemical Science 2012, 3 (9), 2778-2785 

2011

4. Ultrafast intramolecular energy relaxation dynamics of benzoporphyrins: Influence of fused benzo rings on singlet excited states

Pyosang Kim, Jooyoung Sung, Hiroki Uoyama, Tetsuo Okujima, Hidemitsu Uno*, Dongho Kim* 

The Journal of Physical Chemistry B 2011, 115, (14), 3784-3792    

3. Characterization of Ultrafast Intramolecular Charge Transfer Dynamics in Pyrenyl Derivatives: Systematic Change of the Number of Peripheral N,N-Dimethyaniline Substituents 

Jooyoung Sung, Pyosang Kim, Yoen Ok Lee, Jong Seung Kim*, Dongho Kim* 

The Journal of Physical Chemistry Letters 2011, 2, (7), 818-823 

2. Oxocyclohexadienylidene‐Substituted Subporphyrins 

Shin‐ya Hayashi, Jooyoung Sung, Young Mo Sung, Yasuhide Inokuma, Dongho Kim*, Atsuhiro Osuka* 

Angewandte Chemie International Edition 2011, 50, (14), 3253-3256 

2010

1. Crystallographic, Photophysical, NMR Spectroscopic and Reactivity Manifestations of the “8-Heteroaryl Effect” in 4,4-Difluoro-8-(C4H3X)-4-bora-3a,4a-diaza-s-indacene (X = O, S, Se) (BODIPY) Systems

Kibong Kim, Changbum Jo, Shanmugam Easwaramoorthi, Jooyoung Sung, Dongho Kim, David G Churchill*  

Inorganic Chemistry 2010, 49, (11), 4881-4894