Quantum-Classical Protocol for Efficient Characterization of Absorption Lineshape and Fluorescence Quenching upon Aggregation: The Case of Zinc Phthalocyanine Dyes
Creators
- 1. Univ Bologna, Dipartimento Chim Industriale Toso Montanari, I-40136 Bologna, Italy
- 2. Indian Inst Technol Ropar, Dept Chem Engn, Rupnagar 140001, Punjab, India
- 3. CNRS, ENSL, Lab Chim, UMR 5182, F-69364 Lyon, France
- 4. TUBITAK Marmara Res Ctr, Mat Technol, TR-41470 Gebze, Kocaeli, Turkiye
- 5. Acibadem Mehmet Ali Aydinlar Univ, Fac Engn & Nat Sci, Dept Biomed Engn, Istanbul, Turkiye
- 6. CNR, Ist Chim Composti Organo Met ICCOM CNR, I-56124 Pisa, Italy
Description
A quantum-classical protocol that incorporates Jahn-Teller vibronic coupling effects and cluster analysis of molecular dynamics simulations is reported, providing a tool for simulations of absorption spectra and ultrafast nonadiabatic dynamics in large molecular photosystems undergoing aggregation in solution. Employing zinc phthalocyanine dyes as target systems, we demonstrated that the proposed protocol provided fundamental information on vibronic, electronic couplings and thermal dynamical effects that mostly contribute to the absorption spectra lineshape and the fluorescence quenching processes upon dye aggregation. Decomposing the various effects arising upon dimer formation, the structure-property relations associated with their optical responses have been deciphered at atomistic resolution.
Files
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