Static and dynamic solution properties of monodisperse oligofluorenes

Literature Information

Publication Date 2006-05-23
DOI 10.1039/B601531J
Impact Factor 3.676
Authors

C. Chi, G. Wegner


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Abstract

Dynamic light scattering techniques were employed for the study of molecular and collective properties of newly synthesized oligomers (n = 3–7) of the polyfluorene in toluene solutions. At low concentrations, the molar mass, interaction parameter, optical anisotropy and the transport coefficients for translational and rotational diffusion provide a consistent description using a rigid rod model with thickness b = 0.6 nm and length L = nl (l = 0.75 nm). This description is in agreement with the persistence length (6–7 nm) reported for the fluorene polymers. In the non-dilute regime, the estimated concentration for the lyotropic transition further supports the proposed molecular shape and the second slow process in the intermediate scattering function relates to the formation of almost spherical clusters above about 30%.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
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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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