Details

Autor(en) / Beteiligte

• Konishi, Akihito
• Hirao, Yasukazu
• Matsumoto, Kouzou
• Kurata, Hiroyuki
• Kishi, Ryohei
• Shigeta, Yasuteru
• Nakano, Masayoshi
• Tokunaga, Kazuya
• Kamada, Kenji
• Kubo, Takashi

Titel

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

Ist Teil von

• Journal of the American Chemical Society, 2013-01, Vol.135 (4), p.1430-1437

Ort / Verlag

United States: American Chemical Society

Erscheinungsjahr

2013

Link zum Volltext

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• The characteristics of the edge state, which is a peculiar magnetic state in zigzag-edged graphene nanoribbons (ZGNRs) that originates from electron–electron correlation in an edge-localized π-state, are investigated by preparing and characterizing quarteranthene molecules. The molecular geometry that was determined from the X-ray analysis is consistent with a zigzag-edge-localized structure of unpaired electrons. The localized electrons are responsible for the peculiar magnetic (room-temperature ferromagnetic correlation), optical (the lowest-lying doubly excited state), and chemical (peroxide bond formation) behaviors. On the basis of these distinguishing properties and a careful consideration of the valence bonding, insight into the edge state of ZGNRs can be gained.