Bidirectional Intramolecular Singlet and Triplet Energy Transfer in Tetracene-Ultrasmall Gold Nanocluster Dyads: An Evaluation of the Triplet Behavior of Gold Nanoclusters - Hayato Sakai; Sunao Hiramatsu; Aoi Akiyama; Yuichi Negishi; Taku Hasobe (Journal of the American Chemical Society, 2025)