Chem. Commun., 2026, Accepted Manuscript DOI: 10.1039/D6CC02950G, Communication Chieh-Hsi Kuan, Jacob S. Hirschi, Taylor Krueger, Logan Stanley Lancaster, Cheng Chen, Tim Zuehlsdorff, Chong Fang Molecules with free-rotating phenyl rings flanking a silacycle exhibit aggregation-induced emission (AIE) with high sensitivity to the local environment. Using ultrafast electronic and vibrational (stimulated Raman) spectroscopies, we unveil real-time...