Two-dimensional bond-selective fluorescence spectroscopy: Violations of the resonance condition, vibrational cooling rate dispersion, and super-multiplex imaging

Chem. Sci., 2025, Accepted Manuscript DOI: 10.1039/D5SC02628H, Edge Article Philip Kocheril, Jiajun Du, Haomin Wang, Ryan E Leighton, Dongkwan Lee, Ziguang Yang, Noor Naji, Adrian Colazo, Wei Lu Multidimensional spectroscopies have shaped our understanding of molecular phenomena, but they are often limited in sensitivity. In this work, we describe two-dimensional bond-selective fluorescence-detected infrared-excited (2D-BonFIRE) spectro-microscopy: an ultrasensitive two-dimensional...