On-Surface Synthesis and Characterization of [7]Triangulene Quantum Ring Su, Jie ; Fan, Wei ; Mutombo, Pingo ; Peng, Xinnan ; Song, Shaotang ; Ondráček, Martin ; Golub, Pavlo ; Brabec, Jiří ; Veis, Libor ; Telychko, Mykola ; Jelínek, Pavel ; Wu, Jishan ; Lu, Jiong Abstract Publication: Nano Letters Pub Date: January 2021 DOI: 10.1021/acs.nanolett.0c04627 Bibcode: 2021NanoL..21..861S