2:15 PM - 2:45 PM ▲ [20p-221B-4] [INVITED] Wafer-Scale Synthesis and Optoelectrical Applications of Bottom-up Graphene Nanoribbons 〇Toshiaki Kato1,2, Hiroo Suzuki1, Toshiro Kaneko1 (1.Tohoku Univ., 2.JST-PRESTO)