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Soon-Gil Yoon
Soon-Gil Yoon
Chungnam National University, Republic of Korea
Functional Applications of AZO Multilayer and AZO Single Layer Thin Films: EMI Shielding, Antibacterial Activity, hydrophobic properties, and Water and Acid Water Resistance

The Al (3 at%)-doped ZnO (AZO)/Ag/AZO multi-layer films annealed at 100 oC for 20 min under oxygen atmosphere were studied for the simultaneous realization of the electromagnetic interference (EMI) shielding and the antibacterial activity for the transparent glass panel applications. The annealed AZO (45 nm)/Ag (9 nm)/AZO (45 nm)/glass multi-layer films showed a high EMI shielding effectiveness of approximately 39 dB and a strong antibacterial activity for Escherichia coli and Staphylococcus auraus at the same time. They showed hydrophobic properties by a simple thermal annealing at 100 oC for 20 min under an oxygen atmosphere.

Soon-Gil Yoon received his Ph.D. from the Korea Advanced Institute of Science and Technology (KAIST), Korea in 1988. He is a professor in Department of Materials Science and Engineering, Chungnam National University, Republic of Korea. His current research interests are Thin film capacitor, Fusion technology of Solar cell, Thermoelectric, and Piezoelectric using one structure, In situ graphene growth without transfer at 150 oC, Flexoelectric properties using Zn-Al:LDHnanosheets. Perovskite dye thin films such as MAPbI3, MASnI3, and MAPbCl3, etc by CVD. He published SCI papers of about 300 including Nano Letters, Advanced Materials, J. Mater. Chem. A, and Scientific Reports.
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