Theoretical study of the conformational and optical properties of a fluorescent dye. A step toward modeling sensors grafted on polymer structures
Literature Information
Susanna Monti, Francesca Cicogna, Elisa Passaglia, Giacomo Prampolini, Vincenzo Barone
The conformational and photophysical properties in toluene solution of a naphthoic acid derivative, namely 4-naphthoyloxy-1-methoxy-2,2,6,6-tetramethylpiperidine, which can simulate a pendant active group grafted on apolar polymer structures, were studied by means of calculations based on the density functional theory (DFT) and its time-dependent extension (TD-DFT) coupled to a polarizable continuum model (PCM) of the surrounding medium. The conformational landscape was exhaustively explored and the conformers responsible for the absorption and emission spectra were identified through well established computational procedures based on a tuned combination of functional (PBE0) and basis set (N07D) which reproduced satisfactorily the experimental absorption and emission wavelengths.
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.










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