Unsymmetrical Hexafluorocyclopentene-Linked Twisted π-Conjugated Molecules as Dual-State Emissive Luminophores. - Shigeyuki Yamada; Akito Nishizawa; Kazuki Kobayashi; Keigo Yoshida; Masato Morita; Tomohiro Agou; Takaaki Hosoya; Hiroki Fukumoto; Tsutomu Konno (Symmetry, 2021)