9:30 AM - 11:30 AM [18a-PB01-5] Impact of halogen substitution on properties and photovoltaic performances in dithienonaphthobisthiadiazole-based π-conjugated polymers 〇(M1)Shota Suruga1, Tsubasa Mikie1, Itaru Osaka1 (1.Hiroshima Univ.)