Introduction
Introduction
Embedded Files
Papers
2026
20
Woonha Lee, Tae-ho Yang, Jiseong Kim, Hye-Min Kim, Su-Hyeon Oh, Eun-Jeong Jang, Si-Eun Park, Eunseo Kim, Jonghee Lee, Hwan-Hee Cho*, Jae-Hyun Lee*
ACS Appl. Mater. Interfaces (2026)
19
Hwan-Hee Cho*, Min-Hsuan Chang, Yi-Syun Chen, Tetsuro Kusamoto, Emrys W. Evans, Yuh-Renn Wu*, Richard H. Friend*
Advanced Functional Materials 36, e78903, 2026
18
Junshuai Ding,† Hwan-Hee Cho,† Chen Lu,† You-Jun Yu, Minzhe Zhang, Houyu Zhang, Ming Zhang, Richard H. Friend*, Feng Li*
Advanced Optical Materials 14, e71228, 2026
17
Erin M. Holdsworth, Hwan-Hee Cho, Andrew D. Bond, Stephanie Montanaro, Seung-Je Woo, Tianyu Huang, Jordan Shaikh, Fathy Hassan, Sebastian Gorgon, Víctor Riesgo-Gonzalez, Alexander J. Gillett, Daniel G. Congrave, Richard H. Friend, and Hugo A. Bronstein*
Journal of the American Chemical Society 148, 8, 8163–8173, 2026
2025
16
Hwan-Hee Cho,†* Daniel G. Congrave,†* Sebastian Gorgon, Victor Riesgo-Gonzalez, Richard H. Friend*, Hugo Bronstein*
Advanced Optical Materials 13, 2500246, 2025
15
Circularly polarized electroluminescence from chiral supramolecular semiconductor thin films
Rituparno Chowdhury,† Marco D. Preuss,† Hwan-Hee Cho, Joshua J. P. Thompson, Samarpita Sen, Tomi Baikie, Pratyush Ghosh, Yorrick Boeije, Xian-Wei Chua, Kai-Wei Chang, Erjuan Guo, Joost van der Tol, Bart W. L. van den Bersselaar, Andrea Taddeucci, Nicolas Daub, Daphne M. Dekker, Scott T. Keene, Ghislaine Vantomme, Bruno Ehrler, Stefan C. J. Meskers, Akshay Rao, Bartomeu Monserrat, E. W. Meijer*, Richard H. Friend*
Science 387, 1175-1181, 2025
2024
14
Efficient near-infrared organic light-emitting diodes with emission from spin doublet excitons
Hwan-Hee Cho, Sebastian Gorgon, Giacomo Londi, Samuele Giannini, Changsoon Cho, Pratyush Ghosh, Claire Tonnelé, David Casanova, Yoann Olivier, Tomi K. Baikie, Feng Li,* David Beljonne, Neil C. Greenham,* Richard H. Friend,* Emrys W. Evans*
Nature Photonics 18, 905-912, 2024
13
Alexander C. Brannan,† Hwan-Hee Cho,† Antti-Pekka M. Reponen, Sebastian Gorgon, Nguyen Le Phuoc, Mikko Linnolahti,* Neil C. Greenham,* Alexander S. Romanov*
Advanced Materials 36, 2404357, 2024
12
Hwan-Hee Cho,† Dan G. Congrave,†* Alexander J. Gillett, Stephanie Montanaro, Haydn E. Francis, Víctor Riesgo-Gonzalez, Junzhi Ye, Rituparno Chowdury, Weixuan Zeng, Marc K. Etherington, Jeroen Royakkers, Oliver Millington, Andrew D. Bond, Felix Plasser, Jarvist M. Frost, Clare P. Grey, Akshay Rao, Richard H. Friend, Neil C. Greenham,* Hugo Bronstein*
Nature Materials 23, 519–526, 2024 (the front cover of vol 23 issue 4)
11
Charlotte Riley, Hwan-Hee Cho, Alexander C. Brannan, Nguyen Le Phuoc, Mikko Linnolahti,* Neil Greenham,* Alexander S. Romanov*
Communications Chemistry 7, 298, 2024
10
Alexander C. Brannan, Hwan-Hee Cho, Jonathan Daniel, Amelia Harvey, Charles T. Smith, Nguyen Le Phuoc, Mikko Linnolahti,* Mireille Blanchard-Desce,* Neil Greenham*, Alexander S. Romanov*
Journal of Materials Chemistry C 12, 13545-13554, 2024
9
Steric Control of Luminescence in Phenyl Substituted Trityl Radicals
Petri Murto, Biwen Li, Yao Fu, Lucy Walker, Laura Brown, Andrew D. Bond, Weixuan Zeng, Rituparno Chowdhury, Hwan-Hee Cho, Craig P. Yu, Clare P. Grey, Richard H. Friend,* Hugo Bronstein*
Journal of the American Chemical Society 146, 13133–13141, 2024
8
Decoupling excitons from high-frequency vibrations in organic molecules
Pratyush Ghosh, Antonios M. Alvertis, Rituparno Chowdhury, Petri Murto, Alexander J. Gillett, Shengzhi Dong, Alexander J. Sneyd, Hwan-Hee Cho, Emrys W Evans, Bartomeu Monserrat, Feng Li, Christoph Schnedermann, Richard H. Friend, Akshay Rao*
Nature 629, 355-362, 2024
7
Phosphorescent Carbene-Gold-Arylacetylide Materials as Emitters for Near UV-OLEDs
Alexander C. Brannan, Hwan-Hee Cho, Antti-Pekka M. Reponen, Mikko Linnolahti,* Manfred Bochmann,* Neil C. Greenham,* Alexander S. Romanov*
Advanced Materials 36, 2306249, 2024
2023
6
Efficient and Bright Organic Radical Light-Emitting Diodes with Low Efficiency Roll-Off
Hwan-Hee Cho,* Sebastian Gorgon, Hsiao-Chun Hung, Jun-Yu Huang, Yuh-Renn Wu, Feng Li, Neil C. Greenham, Emrys W. Evans,* Richard H. Friend*
Advanced Materials 35, 2303666, 2023
5
Highly phosphorescent carbene-metal-carboranyl complexes of copper(I) and gold(I)
Samuel L. Powley, Charlotte Riley, Hwan-Hee Cho, Nguyen Le Phuoc, Mikko Linnolahti,* Neil Greenham,* Alexander S. Romanov*
Chemical Communications 59, 12035–12038, 2023
2022
4
Near-infrared Light-Emitting Diodes from Organic Radicals with Charge Control
Hwan-Hee Cho, Shun Kimura, Neil C. Greenham, Yuki Tani, Hiroshi Nishihara, Richard H. Friend,* Tetsuro Kusamoto,* Emrys W. Evans*
Advanced Optical Materials 10, 2200628, 2022
2021
3
Matrix-free Hyperfluorescent Organic Light-Emitting Diodes Based on Carbene-Metal-Amides
Hwan-Hee Cho, Alexander S. Romanov, Manfred Bochmann, Neil. C. Greenham, Dan Credgington*
Advanced Optical Materials 9, 2001965, 2021
2010
2
Hwan-Hee Cho, Boik Park, Hyong-Jun Kim,* Jongyoup Shim, Sohee Jeon, Jun-ho Jeong, Jang-Joo Kim*
Current Applied Physics
1
Hwan-Hee Cho, Hyong-Jun Kim, Sohee Jeon, Jongyoup Shim, Jun-ho Jeong, Jang-Joo Kim*
Applied Optics 49, 21, 4024-4028
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