Exploring Spin-State Selective Harvesting Pathways from Singlet Fission Dimers to a Near-Infrared-Emissive Spin-Flip Emitter - Percy Gonzalo Sifuentes-Samanamud; Adrian Sauer; Aki Masaoka; Yuta Sawada; Yuya Watanabe; Ilias Papadopoulos; Katja Heinze; Yoichi Sasaki; Nobuo Kimizuka (Journal of the American Chemical Society, 2026)