A site-selective spectroscopy of naphthalene and quinoline in TEOS/MTEOS xerogels
Literature Information
C. Crépin, V. Dubois, F. Goldfarb, F. Chaput, J. P. Boilot
Fluorescence and phosphorescence spectra and decay times are recorded upon a narrow-band laser excitation for naphthalene (N) and quinoline (Q) embedded in xerogels prepared from MTEOS/TEOS mixtures, in the 10–300 K temperature range. A site selectivity of the excitation is observed at T < 120 K and T < 150 K, for N and Q, respectively. In the case of quinoline, different families of sites are characterized. The results are discussed in terms of comparison with the N and Q emission behaviour in other environments, especially in rare-gas matrices.
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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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