Synthesis and Characterization of Quarteranthene: Elucidating the Characteristics of the Edge State of Graphene Nanoribbons at the Molecular Level

Akihito Konishi,† Yasukazu Hirao,† Kouzou Matsumoto,† Hiroyuki Kurata,† Ryohei Kishi,‡
Yasuteru Shigeta,‡ Masayoshi Nakano,‡ Kazuya Tokunaga,∥,§ Kenji Kamada,∥,§ and Takashi Kubo

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