Overview

4 years of experience in developing ultrathin-metal-film flexible transparent electrodes and nano-structural borides. Well mastered skills to utilizing the magnetron sputtering system. Deep understanding of the wetting and morphological evolution of metal on heterogeneous substrates. Excellent in working with colleagues while focusing on the own research field.

Work/Research Experiences

2011-2016 PhD. (master-doctor combined program), School of material science and engineering, Shandong University (China)

2014-2016 joint PhD student, Surface technology Division, Korea Institute of Materials Science (Republic of Korea)

2017-2019 Post Doc., Surface technology Division, Korea Institute of Materials Science (Republic of Korea)

2019- Present associate research fellow, School of material science and engineering, Shandong University (China)

Research Interests

The development of flexible transparent electrodes;

The development and application of ultrathin metal films;

The development of boride functional nano-structure and thin films

The technology of magnetron sputtering deposition

Research Projects

Internal “feature plan program for Young Scholars” of Shandong University, about 70,000 USD for 5 years.

Awards

Selected Publications and Patents

1. Zhao, G.; Shen,W.; Jeong, E.; Lee S.-G.; Chung, H.-S.; Bae, T. –S.; Bae, J.-S.; Lee, G.-H.; Tang, J.; Yun, J. Nitrogen-Mediated Growth of Silver Nanocrystals to Form UltraThin, High-Purity Silver-Film Electrodes with Broad band Transparency for Solar Cells. ACS Appl. Mater. Interfaces 2018, 10, 40901−40910.

2. Zhao, G.; Shen, W.; Jeong, E.; Lee, S.-G.; Yu, S. M.; Bae, T.-S.; Lee, G.-H.; Han, S. Z.; Tang, J.; Choi, E.-A.; Yun, J. Ultrathin Silver Film Electrodes with Ultralow Optical and Electrical Losses for Flexible Organic Photovoltaics. ACS Appl. Mater. Interfaces 2018, 10, 27510–27520.

3. Zhao, G.; Song, M.; Chung, H.-S.; Kim, S. M.; Lee, S.-G.; Bae, J.-S.; Bae, T.-S.; Kim, D.; Lee, G.-H.; Han, S. Z.; Lee, H.-S.; Choi, E.-A.; Yun, J. Optical Transmittance Enhancement of Flexible Copper Film Electrodes with a Wetting Layer for Organic Solar Cells. ACS Appl. Mater. Interfaces 2017, 9, 38695-38705.

4. Kim, Y.; Kim, A. R.; Zhao, G.; Choi, S. Y.; Kang, S. C.; Lim, S. K.; Lee, K. E.; Park, J.; Lee, B. H.; Hahm, M. G.; Kim, D.-H.; Yun, J.; Lee, K. H.; Cho, B. Wafer-Scale Integration of Highly Uniform and Scalable MoS₂ Transistors. ACS Appl. Mater. Interfaces 2017, 9, 37146–37153.

5. Zhao, G.; Kim, S. M.; Lee, S.-G.; Bae, T.-S.; Mun, C.; Lee, S.; Yu, H.; Lee, G.-H.; Lee, H.-S.; Song, M.; Yun, J. Bendable Solar Cells from Stable, Flexible, and Transparent Conducting Electrodes Fabricated Using a Nitrogen-Doped Ultrathin Copper Film. Adv. Funct. Mater. 2016, 26, 4180–4191.

6. Zhao, G.; Wang, W.; Bae, T. S.; Lee, S. G.; Mun, C.; Lee, S.; Yu, H.; Lee, G. H.; Song, M.; Yun, J. Stable Ultrathin Partially Oxidized Copper Film Electrode for Highly Efficient Flexible Solar Cells. Nat. Commun. 2015, 6, 8830.

Others

2 years of oversea sdudy experience as joint PhD student supported by the joint PhD program from Chinese Scholarship Council (CSC) of the Ministry of Education, China.