Gabseok (Sean) Seo





Dr. Gabseok (Sean) Seo

Email: Photoacoustic.image [at] gmail.com

Research interests: Quantum dot, Perovskite solar cells, defect analysis, degradation mechanisms



Education

Thesis: Electrochemical characterization of defects and interfaces in solid-state perovskite solar cells


Academic Experiences
  • May 2019 - 
Research Associate
Department of Physics and Centre for Plastic Electronics, Imperial College London, U.K.
  • Feb 2019 - April 2019
Postdoctoral Research
Department of Energy Science, Sungkyunkwan University, Korea
Brain Korea 21 PLUS
  • Dec 2017 - Jan 2019
Research Fellow
Researcher with Prof. Chihaya Adachi
Kyushu University, Japan
Center for Organic Photonics and Electronics Research (OPERA)
  • Dec 2017 - Jan 2019
Postdoctoral Research Associate
Kyushu University, Japan
International Institute for Carbon-Neutral Energy Research (I2CNER)
  • Sep 2016 - Current
Collaboration & Visiting Scientist
Research with Prof. Mohammad Khaja Nazeeruddin
Ecole polytechnique fédérale de Lausanne (EPFL-Sion), Switzerland
Group for molecular engineering of functional materials (GMF)
  • Nov 2015 - Current
Collaboration Research
Samsung Advanced Institute of Technology (SAIT), Korea
Platform Technology and Device Laboratory Group

"Defect analysis and understanding performance limitations of nanocrystal-based optoelectronic devices"
  • Jan 2012 - Jan 2015
Collaboration Research and Dispatched Research
Research with Prof. Sang Il Seok (Current: Distinguished Professor, UNIST)
Korea Research Institute of Chemical Technology (KRICT), Korea
Solar Energy Materials Research Group

"Synthesize a new precursor - Lead Sulfide Quantum dot sensitized solar cell with perovskite core-shell structure"
  • Dec 2011 - Dec 2011
Research Associates and Visiting Scientists
Researcher with Prof. Andreas MANDELIS
Center for Advanced DIFfusion-Wave Technologies and Mechanical (CADIFT)
Department of Industrial, Electrical and Computer Engineering and Bio-materials and Biomedical Engineering, University of Toronto, CANADA

"Biomedical Photoacoustic Radar Imaging instrumentation studies with a view to initiating similar research"


Awards

Nov. 2013
Best Poster Award at The 2nd International Conference on Advanced Electromaterials (ICAE 2013)

Feb. 2015
Outstanding research presentation In DOES Thesis Competition DOES Excellent Presentation Award.
The Department of Energy Science, SKKU


Publications

Gabseok Seo†, Jangwon Seo†, Seungchan Ryu, Wenping Yin, Tae Kyu Ahn and Sang Il Seok 
Journal of Physical Chemistry Letters 2014, 5(11), 2015-2020

Sung Heo,† Gabseok Seo,† Yonghui Lee, Dongwook Lee, Minsu Seol, Jooho Lee, Jong-Bong Park, Ki Hong Kim, Dong-Jin Yun, Yongsu Kim, Jaikwang Shin, Tae Kyu Ahn and Mohammad Khaja Nazeeruddin
Energy & Environmental Science 2017, 10, 1128 (Cover article)


3. Highly Efficient Air-Stable Colloidal Quantum Dot Solar Cells by Improved Surface Trap Passivation
Randi Azmi, Septy Sinaga, Havid Aqoma, Gabseok Seo, Tae Kyu Ahn, Minsuk Park, Sang-Yong Ju, Jin-Won Lee, Tae-Wook Kim, Seung-Hwan Oh and Sung-Yeon Jang
Nano Energy 2017, 39, 86-94

4. Microscopic Analysis of Inherent Void Passivation in Perovskite Solar Cells
AU : Gabseok Seo†, Dongwook Lee†, Sung Heo, Minsu Seol, Yonghui Lee, Kihong Kim, Seong Heon Kim, Jooho Lee, Dongho Lee, Jaehan Lee, Dong Wook Kwak, Dongwha Lee, Hoon Young Cho, Jucheol Park, Tae Kyu Ahn, and Mohammad Khaja Nazeeruddin
ACS Energy Letters 2017, 2, 1705-1710

5. Selective growth of layered perovskites for stable and efficient photovoltaics
AU : Kyung Taek Cho, Giulia Grancini, Yonghui Lee, Emad Oveisi, Jaehoon Ryu, Osbel Almora, Manuel Tschumi, Pascal Alexander Schouwink, Gabseok Seo, Sung Heo, Jucheol Park, Jyongsik Jang, Sanghyun Paek, Germà Garcia-Belmonte, Mohammad Khaja Nazeeruddin
Energy & Environmental Science 2018, 11(4), 952-959

6. Efficient Planar Perovskite Solar Cells Using Passivated Tin Oxide as an Electron Transport Layer
AU : Yonghui Lee, Seunghwan Lee, Gabseok Seo, Sanghyun Paek, Kyung Taek Cho, Aron J Huckaba, Marco Calizzi, Dong‐won Choi, Jin‐Seong Park, Dongwook Lee, Hyo Joong Lee, Abdullah M Asiri, Mohammad Khaja Nazeeruddin
Advanced Science 2018, 5(6), 1800130

7. High-Efficiency Air-Stable Colloidal Quantum Dot Solar Cells Based on a Potassium-Doped ZnO Electron-Accepting Layer
AU : Randi Azmi, Gabseok Seo, Tae Kyu Ahn, Sung-Yeon Jang
ACS Applied Materials & Interfaces 2018, 10(41), 35244-35249

8. Computational Analysis of the Interplay between Deep Level Traps and Perovskite Solar Cell Efficiency
AU : Kara Kearney, Gabseok Seo, Toshinori Matsushima, Chihaya Adachi, Elif Ertekin, Angus Rockett
Journal of the American Chemical Society 2018, 140(46), 15655-15660

9. Origins of High Performance and Degradation in the Mixed Perovskite Solar Cells
AU : Sung Heo†, Gabseok Seo†, Yonghui Lee, Minsu Seol, Seong Heon Kim, Dong‐Jin Yun, Yongsu Kim, Kihong Kim, Junho Lee, Jooho Lee, Woo Sung Jeon, Jai Kwang Shin, Jucheol Park, Dongwook Lee, Mohammad Khaja Nazeeruddin
Advanced Materials 2019, 31(8), 1805438