Redox-Gated Optical Modulation of Coumarin-Triphenyliminophosphorane Fluorophores - Wei-Chu Huang; Yi-Yin Lu; Shiao-Chen Huang; Tai-Chung Lo; Shun-Yuan Luo; Wei-Hong Huang; Chih-Wei Luo; Vincent K.-S. Hsiao; Chih-Chien Chu (ACS Physical Chemistry Au)