Previous Members
Previous Members
2023-Present: UST Student Researcher, Korea Research Institute of Chemical Technology (KRICT)
2021: B.S. Materials Engineering, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana
Email: george@krict.re.kr
Publications:
Minwoo Lee,† George Kwesi Asare,† Tommy H. Richards, Dong Gyu Leee, Tae Kyung Lee, Jongsung Parkg, Juhong Oh, Jihoo Lim, Martin A. Green, Xiaojing Hao,* Dohyung Kim,* Helen Hejin Park,* and Jae Sung Yun*
"Towards Space Compatible Perovskite Solar Cells: Guidelines for Thermal Shock Resilience and Near Space Balloon Testing"
Energy Environ. Sci. (2026). https://doi.org/10.1039/D5EE03704B
Minwoo Lee,† George Kwesi Asare,† Kaiwen Sun, Siwon Yun, Jongchul Lim, Dong Han Seo, Hongjae Shim, Martin A. Green, Charlie Chandler, Mark Baker, Jihoo Lim, Xiaojing Hao,* Helen Hejin Park,* and Jae Sung Yun*
"Cerium Oxide Incorporation for Radiation Tolerance and Stability in Perovskite Solar Cells"
ACS Energy Lett. 11, 1, 389–400 (2026). [Cover]
Choongman Moon,† Changhyun Kim,† Jinhong Min,† Jaehyuk Koh, Passarut Boonmongkolras, George Kwesi Asare, Frank Hollmann, Helen Hejin Park,* Chan Beum Park,* and Byungha Shin*
“Halide Perovskite Stabilized in a Photoelectrochemical Environment by Impermeable Single Crystal TiO2 for Semi-Artificial Photosynthesis”
J. Mater. Chem. A 13, 40908-40918 (2025).
Joshua Sraku Adu, George Kwesi Asare, Byungha Shin,* David J. Fermin,* and Helen Hejin Park*
“Bilayer of Atomic Layer Deposition and Solution-Processed Tin Dioxide as a Pathway to High-Performance Electron Transport Layers for Perovskite Solar Cells”
Solar RRL e202500617 (2025).
George Kwesi Asare, Joshua Sraku Adu, Byungha Shin,* David J. Fermin,* and Helen Hejin Park*
“Perspective: Atomic Layer Deposition Strategies for Surface Passivation of Metal-Halide Perovskite Absorbers”
Electron. Mater. Lett. 21, 331–336 (2025).
Joshua Sraku Adu,† Alice Sheppard,† Raphael E. Agbenyeke, George Kwesi Asare, Behrang H. Hamadani,* David J. Fermin,* and Helen Hejin Park*
“Tuning the Surface Electronic Landscape of Ultrathin (Al,Sn)Ox Electron Extraction Layers in Perovskite Solar Cells”
Small 2412702 (2025).
2022-Present: UST Student Researcher, Korea Research Institute of Chemical Technology (KRICT)
2020: B.S. Materials Engineering, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana
Email: joshadu@krict.re.kr
Publications:
Joshua Sraku Adu, George Kwesi Asare, Byungha Shin,* David J. Fermin,* and Helen Hejin Park*
“Bilayer of Atomic Layer Deposition and Solution-Processed Tin Dioxide as a Pathway to High-Performance Electron Transport Layers for Perovskite Solar Cells”
Solar RRL e202500617 (2025).
George Kwesi Asare, Joshua Sraku Adu, Byungha Shin,* David J. Fermin,* and Helen Hejin Park*
“Perspective: Atomic Layer Deposition Strategies for Surface Passivation of Metal-Halide Perovskite Absorbers”
Electron. Mater. Lett. 21, 331–336 (2025).
Joshua Sraku Adu,† Alice Sheppard,† Raphael E. Agbenyeke, George Kwesi Asare, Behrang H. Hamadani,* David J. Fermin,* and Helen Hejin Park*
“Tuning the Surface Electronic Landscape of Ultrathin (Al,Sn)Ox Electron Extraction Layers in Perovskite Solar Cells”
Small 2412702 (2025).
Jin Won Lee,† Joshua Sraku Adu,† Raphael E. Agbenyeke, Alice Sheppard, Jude Laverock, Eunyoung Park, Youngwoong Kim, Soonil Hong, Nam Joong Jeon,* David J. Fermin,* and Helen Hejin Park*
“Ultrathin Oxygen Deficient SnOx Films as Electron Extraction Layers for Perovskite Solar Modules”
J. Mater. Chem. A 13, 4100-4106 (2025). [Inside Cover]