11:30 AM - 11:45 AM △ [5a-A504-10] Investigation of Injection Barrier into Organic Semiconductor Based on In-situ Analysis of Microwave Conductivity and Impedance Spectroscopy 〇Wookjin CHOI1, Yusuke Tsutsui1, Tsuneaki Sakurai1, Shu Seki1 (1.Kyoto. Univ.)