Enhancing Chiroptical Responses in Helical Nanographenes via Geometric Engineering of Double [7]Helicenes. - Niu, Wenhui; Fu, Yubin; Deng, Qingsong; Qiu, Zhen‐Lin; Liu, Fupin; Popov, Alexey A.; Komber, Hartmut; Ma, Ji; Feng, Xinliang (Angewandte Chemie International Edition, 2024)